Molcan Corporation (Page 3) @ ChemBuyersGuide.com, Inc.

(S)-10-(1-Carbamoylcyclopropyl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
PZF54 :
Pazufloxacin Impurity 4 ;

(S)-10-(1-Carboxycyclopropyl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
PZF53 :
Pazufloxacin Impurity 3 ;

(S)-10-(1-Cyanocyclopropyl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
PZF52 :
Pazufloxacin Impurity 2 ;

(S)-10-(2,4,5-Trifluorobenzyl)-3-(trifluoromethyl)-9,10-dihydro-5H-[1,2,4]triazolo[3',4':3,4]pyrazino[1,2-a]pyrimidin-8(6H)-one ;
SGT49B :
Sitagliptin M2 Dehydro S-Isomer ;

(S)-10-(2-(tert-Butoxycarbonyl)ethylamino)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
LFX66 :
Levofloxacin Impurity 6 ;

(S)-10-(2-Aminoethylamino)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
CAS:1797510-34-9
LFX69B :
Levofloxacin Desethylene N-Desmethyl Impurity (Base) ; Levofloxacin Diamine Impurity (Base) ;

(S)-10-(2-Aminoethylamino)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride ;
CAS:1797099-76-3
LFX69H :
Levofloxacin Desethylene N-Desmethyl Impurity (HCl) ; Levofloxacin Diamine Impurity (HCl) ;

(S)-10-(4-(tert-Butoxycarbonyl)piperazin-1-yl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
CAS:1330277-19-4
LFX67 :
Levofloxacin Impurity 7 ;

(S)-10-(4-Ethylpiperazin-1-yl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
CAS:106939-30-4
LFX79 :
Levofloxacin Impurity 19 ; N-Ethyl Levofloxacin ;

(S)-10-(Cyanomethyl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
CAS:176760-98-8
PZF67 :
Pazufloxacin Impurity 17 ; 10-Cyanomethyl Pazufloxacin ;

(S)-10-[(Dimethylamino)methyl]-4-ethyl-4,9-dihydroxy-8-methoxy-1H-pyrano [3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione ;
TTC21 :
Topotecan USP RC A ; 8-Methoxy Topotecan ;

(S)-10-Cyano-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
PZF64 :
Pazufloxacin Impurity 14 ; 10-Cyano Pazufloxacin ;

(S)-11-Ethyl-4-hydroxy-4-methyl-3,14-dioxo-3,4,12,14-tetrahydro-1H-pyrano [3',4':6,7]indolizino[1,2-b]quinoline-9-yl (1,4'-bipiperidine)- 1'-carboxylate ;
CAS:1608617-71-5
ITC08B :
Irinotecan EP Impurity H (Base) ; Irinotecan 4-Methyl Analog (EP) ; Desmethyl Irinotecan ;

(S)-11-Ethyl-4-hydroxy-4-methyl-3,14-dioxo-3,4,12,14-tetrahydro-1H-pyrano [3',4':6,7]indolizino[1,2-b]quinoline-9-yl (1,4'-bipiperidine)- 1'-carboxylate hydrochloride ;
CAS:1608463-33-7
ITC08H :
Irinotecan EP Impurity H (HCl) ;Irinotecan HCl 4-Methyl Analog (EP) ; Desmethyl Irinotecan HCl ;

(S)-2-(((2'-(1H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)(nitroso)amino)-3-methylbutanoic acid ;
CAS:2254485-68-0
VST57 :
Valsartan N-Nitroso Analog ;

(S)-2-(((2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)carbamoyl)benzoic acid ;
CAS:1365267-37-3
RVRA3
Rivaroxaban RC 43 ;

(S)-2-(((S)-(((2R,3S,4R,5R)-5-(4-Aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxy tetrahydrofuran-2-yl)methoxy)(phenoxy)phosphoryl)amino)propanoic acid ;
RDV51 :
Remdesivir Carboxylic Acid ;

(S)-2-(((S)-(((2R,3S,4R,5R)-5-(4-Aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxytetrahydrofuran-2-yl)methoxy)(phenoxy)phosphoryl)amino)propanoic acid N-oxide ;
RDV53 :
Remdesivir Carboxylic Acid N-Oxide ;

(S)-2-((1R,2S,5S)-3-((S)-3,3-Dimethyl-2-(2,2,2-trifluoroacetamido)butanoyl)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamido)-3-((S)-2-oxopyrrolidin-3-yl)propanoic acid ;
NMT51A :
Nirmatrelvir Acid ;

(S)-2-((2-Ethoxyphenoxy)methyl)morpholine hydrochloride ;
CAS:56287-61-7
VLX52H :
Viloxazine (S)-Isomer HCl ;

(S)-2-((3aR,7aS)-N-((S)-1-Carboxyethyl)-octahydro-1H-indole-2-carboxamido)-4-phenylbutanoic acid ;
TDL67 :
Trandolapril RC 7 ;

(S)-2-((3S,5aS,9aR,10aS)-3-Methyl-1,4-dioxo-decahydropyrazino[1,2-a]indol-2(1H)-yl)-4-phenylbutanoic acid ;
CAS:149756-14-9
TDL54 :
Trandolapril Desethoxy Diketopiperazine ;

(S)-2-((4-(5-((2-Chlorothiophene-5-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)(2-hydroxyethyl)amino)-2-oxoacetic acid ;
CAS:1160169-98-1
RVR40 :
Rivaroxaban OAA Impurity ;

(S)-2-((4-Methoxybenzyloxy)methyl)oxirane ;
CAS:144069-33-0
TML56 :
Timolol Impurity 6 ;

(S)-2-((Naphthalen-1-yloxy)methyl)oxirane ;
CAS:61249-00-1
NFP66 :
Naftopidil RC 6 ;

(S)-2-((R)-4-Oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-ylamino)-2-phenylacetamide ;
CAS:769195-20-2
SGT65B :
Sitagliptin Impurity 5 (Base) ;

(S)-2-((R)-6,8-Difluoro-1,2,3,4-tetrahydronaphthalen-2-ylamino)-N-(1-(2-methyl-1-(neopentylamino)propan-2-yl)-1H-imidazol-4-yl)pentanamide dihydrobromide ;
NGT53H :
Nirogacestat (S,R)-Isomer (Dihydrobromide) ;

(S)-2-((S)-1-Methoxy-1-oxo-4-phenylbutan-2-ylamino)propanoic acid ;
CAS:1356354-32-9
TDL63 :
Trandolapril RC 3 ;

(S)-2-((S)-2-(((S)-1-Ethoxy-1-oxo-4-phenylbutan-2-yl)(nitroso)amino)propanoyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid ;
CAS:1026879-47-9
MXP48 :
Moexipril N-Nitroso Impurity ;

(S)-2-((S)-2-((S)-1-Ethoxy-1-oxo-4-phenylbutan-2-ylamino)propanoyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid ;
CAS:41234-43-9
QPR62B :
Quinapril RC 2 (Base) ;

(S)-2-((S)-2-((S)-1-Ethoxy-1-oxo-4-phenylbutan-2-ylamino)propanoyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid hydrochloride ;
CAS:57980-74-2
QPR62H :
Quinapril RC 2 (HCl) ;

(S)-2-((S)-6,8-Difluoro-1,2,3,4-tetrahydronaphthalen-2-ylamino)-N-(1-(2-methyl-1-(neopentylamino)propan-2-yl)-1H-imidazol-4-yl)pentanamide ;
CAS:1290543-63-3
NGT00B :
Nirogacestat (Base) ; (S,S)-Nirogacestat ;

(S)-2-((S)-6,8-Difluoro-1,2,3,4-tetrahydronaphthalen-2-ylamino)-N-(1-(2-methyl-1-(neopentylamino)propan-2-yl)-1H-imidazol-4-yl)pentanamide dihydrobromide ;
CAS:1962925-29-6
NGT00H :
Nirogacestat (2 HBr) ; Nirogacestat Dihydrobromide ;

(S)-2-((S)-6,8-Difluoro-1,2,3,4-tetrahydronaphthalen-2-ylamino)pentanoic acid ;
NGT64B :
Nirogacestat RC 4 ;

(S)-2-((S)-6-Chloro-8-fluoro-1,2,3,4-tetrahydronaphthalen-2-ylamino)-N-(1-(2-methyl-1-(neopentylamino)propan-2-yl)-1H-imidazol-4-yl)pentanamide dihydrobromide ;
CAS:2869169-70-8
NGT62H :
Nirogacestat RC 2 (2 HBr) ; Nirogacestat 6-Chloro Dihydrobromide ;

(S)-2-((S)-7-Chloro-6-fluoro-1,2,3,4-tetrahydronaphthalen-2-ylamino)-N-(1-(2-methyl-1-(neopentylamino)propan-2-yl)-1H-imidazol-4-yl)pentanamide dihydrobromide ;
CAS:2869169-76-4
NGT63H :
Nirogacestat RC 3 (2 HBr) ; Nirogacestat 7-Chloro 8-Desfluoro Dihydrobromide ;

(S)-2-((S)-8-Chloro-6-fluoro-1,2,3,4-tetrahydronaphthalen-2-ylamino)-N-(1-(2-methyl-1-(neopentylamino)propan-2-yl)-1H-imidazol-4-yl)pentanamide dihydrobromide ;
CAS:2869169-64-0
NGT61H :
Nirogacestat RC 1 (2 HBr) ; Nirogacestat 8-Chloro Dihydrobromide ;

(S)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethylamine ;
CAS:196597-81-6
RMT50B :
Ramelteon Despropionyl Impurity (Base) ;

(S)-2-(1,6,7,8-Tetrahydro-2H-indeno[5,4-b]furan-8-yl)ethylamine hydrochloride ;
CAS:196597-80-5
RMT50H :
Ramelteon Despropionyl Impurity (HCl) ;

(S)-2-(2,3,5,6-Tetrahydroimidazo[2,1-b]thiazol-6-yl)phenol ;
CAS:1292908-42-9
LVM52 :
Levamisole 2-Hydroxy Impurity ;

(S)-2-(2,6-Dioxopiperidin-3-yl)isoindoline-1,3-dione ;
CAS:841-67-8
TLD52 :
Thalidomide (S)-Isomer ;

(S)-2-(2-((4-(5-((2-Chlorothiophene-5-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)(nitroso)amino)ethoxy)acetic acid ;
RVRA4
Rivaroxaban RC 44 ; N-Nitroso Rivaroxaban Open-Ring Acid ;

(S)-2-(2-(2-Chloro-N-(4-(5-((1,3-dioxoisoindolin-2-yl)methyl)-2-oxooxazolidin-3-yl)phenyl)thiophene-5-carboxamido)ethoxy)acetic acid ;
RVR88 :
Rivaroxaban RC 28 ;

(S)-2-(2-(2-Chloro-N-(4-(5-((2-chlorothiophene-5-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)thiophene-5-carboxamido)ethoxy)-n-methyl-acetamide ;
CAS:1807455-76-0
RVR35 :
Rivaroxaban Open-Ring N-Methyl Impurity ;

(S)-2-(2-(2-Chloro-N-(4-(5-((2-chlorothiophene-5-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)thiophene-5-carboxamido)ethoxy)acetic acid ;
CAS:1151893-81-0
RVR09 :
Rivaroxaban EP Impurity I ;

(S)-2-(2-(4-(5-((2-Chlorothiophene-5-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenylamino)ethoxy)acetic acid ;
CAS:931204-39-6
RVR33B :
Rivaroxaban Open-Ring Acid (Base) ; Rivaroxaban Acetic Acid (Base) ;

(S)-2-(2-(4-(5-((2-Chlorothiophene-5-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenylamino)ethoxy)acetic acid HCl ;
CAS:931117-61-2
RVR33H :
Rivaroxaban Open-Ring Acid (HCl) ; Rivaroxaban Acetic Acid (HCl) ;

(S)-2-(2-(4-(5-(Aminomethyl)-2-oxooxazolidin-3-yl)phenylamino)ethoxy)acetic acid ;
CAS:2206135-27-3
RVR54B:
Rivaroxaban Aminomethyl Acetic Acid ;

(S)-2-(2-(4-(5-(Aminomethyl)-2-oxooxazolidin-3-yl)phenylamino)ethoxy)acetic acid hydrochloride ;
CAS:2206135-28-4
RVR54H:
Rivaroxaban Aminomethyl Acetic Acid (HCl) ;

(S)-2-(2-(Benzofuran-6-carbonyl)-1,2,3,4-tetrahydroisoquinoline-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoic acid ;
CAS:2295862-00-7
LGS72A :
Lifitegrast RC 12 ; Dideschloro Lifitegrast ; Lifitegrast Impurity D ;

(S)-2-(2-(Benzofuran-6-carbonyl)-5,7-dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoic acid ;
CAS:1025967-78-5
LGS00A :
Lifitegrast ;

(S)-2-(2-(Oxiran-2-ylmethoxy)phenyl)-2-phenethyl-1,3-dioxolane ;
CAS:189766-50-5
PRP63 :
Propafenone RC 3 ;

(S)-2-(2-Acetyl-5,7-dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoic acid ;
LGS71A :
Lifitegrast RC 11 ; Lifitegrast Impurity B ;

(S)-2-(2-Aminothiazol-4-yl)-N-(4-(2-(2-hydroxy-2-phenylethylamino)ethyl)phenyl)acetamide ;
CAS:1796931-48-0
MRB01B :
Mirabegron EP Impurity A ; Mirabegron (S)-Isomer ;

(S)-2-(2-Hydroxy-3-(4-(3-oxomorpholino)phenylamino)propyl)isoindoline-1,3-dione ;
CAS:1369969-44-7
RVR90 :
Rivaroxaban RC 30 ;

(S)-2-(2-Hydroxy-3-(4-morpholino-1,2,5-thiadiazol-3-yloxy)propylamino)-2-methylpropan-1-ol ;
CAS:1227468-61-2
TML54 :
Timolol Impurity 4 ;

(S)-2-(2-Oxopyrrolidin-1-yl)butanamide ;
CAS:102767-28-2
LET00 :
Levetiracetam ;

(S)-2-(3-(2-Methoxy-5-(trifluoromethyl)phenyl)-2,8-bis(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic acid ;
LTM61 :
Letermovir RC 1 ;

(S)-2-(3-(3-Fluorobenzyl)-4-(3-fluorobenzyloxy)benzylamino)propanamide ;
CAS:1000370-27-3
SFN51 :
Safinamide 3-Fluorobenzyl ;

(S)-2-(3-Hydroxy-4-methoxyphenyl)-5-methoxy-7-((2S,3S,4S,5S)-3,4,5-trihydroxy-6-(((2R,4S,5R)-3,4,5-trihydroxy-6-methyl-tetrahydro-2H-pyran-2-yloxy)methyl)-tetrahydro-2H-pyran-2-yloxy)-2,3-dihydrochromen-4-one ;
CAS:11013-97-1
HSP52 :
Hesperidin Methyl Impurity ;

(S)-2-(4-((((6RS)-2-Amino-5-methyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzamido)pentanedioic acid ;
CAS:134-35-0
FCD51A :
Folic Acid Tetrahydro N5-Methyl (Acid) ; N5-Methyl Tetrahydrofolic Acid ;D,L-5-Methyltetrahydrofolic Acid ;

(S)-2-(4-((((6RS)-2-Amino-5-methyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzamido)pentanedioic acid calcium salt ;
CAS:26560-38-3
FCD51C :
Folic Acid Tetrahydro N5-Methyl (Calcium) ; Calcium N5-Methyl Tetrahydrofoliate ; Calcium DL-5-Methyltetrahydrofolate (USP) ;

(S)-2-(4-((((6S)-2-Amino-5-methyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzamido)pentanedioic acid ;
CAS:31690-09-2
FCD52A :
Folic Acid Tetrahydro N5-Methyl (6S)-Isomer (Acid) ; N5-Methyl-(6S)-Tetrahydrofolic Acid ; Levomefolic Acid ;

(S)-2-(4-((((6S)-2-Amino-5-methyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzamido)pentanedioic acid calcium salt ;
CAS:151533-22-1
FCD52C :
Folic Acid Tetrahydro N5-Methyl (6S)-Isomer (Calcium) ; Calcium N5-Methyl-(6S)-Tetrahydrofoliate ; Calcium L-5-Methyltetrahydrofolate ; Calcium Levomefolate ;

(S)-2-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-(dimethylamino)-5-oxopentanoic acid ;
CAS:71074-44-7
MTX53 :
Methotrexate Dimethylamide ;

(S)-2-(4-(((2,4-Diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioic acid hydrate ;
CAS:133073-73-1
MTX00H :
Methotrexate (Hydrate) ;

(S)-2-(4-(((2,4-Diaminopteridin-6-yl)methyl)(nitroso)amino)benzamido)pentanedioic acid ;
MTX56 :
Methotrexate EP Impurity B N-Nitroso ;

(S)-2-(4-(((R)-2-Amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methylamino)benzamido)pentanedioic acid ;
CAS:73951-54-9
LFL08A :
Levofolinate EP Impurity H ;

(S)-2-(4-(((R)-2-Amino-8-methyl-4,9-dioxo-6,7,8,9-tetrahydro-4H-pyrazino[1,2-a][1,3,5]triazin-7-yl)methylamino)benzamido)pentanedioic acid ;
LVF62A :
Levomefolate RC 2 ;

(S)-2-(4-(((S)-2-Amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methylamino)benzamido)pentanedioic acid ;
CAS:68538-85-2
LFL00A :
Levofolinic Acid ;

(S)-2-(4-(((S)-2-Amino-5-methyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methylamino)benzamido)pentanedioic acid ;
CAS:31690-09-2
LVF00A :
Levomefolate (Acid) ; Levomefolic Acid ;

(S)-2-(4-(((S)-2-Amino-8-methyl-4,9-dioxo-6,7,8,9-tetrahydro-4H-pyrazino[1,2-a][1,3,5]triazin-7-yl)methylamino)benzamido)pentanedioic acid ;
LVF61A :
Levomefolate RC 1 ;

(S)-2-(4-((2-Amino-4-oxo-1,4,7,8-tetrahydropteridin-6-yl)methylamino)benzamido)pentanedioic acid ;
CAS:4033-27-6
FCD78 :
Folic Acid 7,8-Dihydro Impurity ; Levofoliate EP Impurity G ; Leucovorin USP Impurity E ;

(S)-2-(4-((2-Amino-4-oxo-1,4,7,8-tetrahydropteridin-6-yl)methylamino)benzamido)pentanedioic acid ;
CAS:4033-27-6
LFL07A :
Levofolinate EP Impurity G ; Folic Acid 7,8-Dihydro Impurity ; 7,8-Dihydrofolic Acid ; Leucovorin USP Impurity E ;

(S)-2-(4-((2-Amino-4-oxo-1,4-dihydropteridin-6-yl)methylamino)benzamido)pentanedioic acid ;
CAS:59-30-3
LFL03A :
Levofolinate EP Impurity C ; Folic Acid ;

(S)-2-(4-((2-Amino-4-oxo-4,8-dihydropteridin-6-yl)methylamino)benzamido)pentanedioic acid ;
CAS:59-30-3
FCD00 :
Folic Acid ; Levofoliate EP Impurity C ; Vitamin M ;

(S)-2-(4-((R)-1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl)benzamido)pentanedioic acid ;
CAS:1320211-70-8
PXT43 :
Pralatrexate (S,R)-Isomer ;

(S)-2-(4-((R)-3-Amino-1-oxo-5,6,6a,7-tetrahydroimidazo[1,5-f]pteridin-8(1H,4H,9H)-yl)benzamido)pentanedioic acid ; (6aR)-5,10-Methylenetetrahydrofolic acid ;
CAS:31690-11-6
LFL09A :
Levofolinate EP Impurity I ; Arfolitixorin ;

(S)-2-(4-((S)-1-(2,4-Diaminopteridin-6-yl)pent-4-yn-2-yl)benzamido)pentanedioic acid ;
CAS:1320211-69-5
PXT44 :
Pralatrexate (S,S)-Isomer ;

(S)-2-(4-(1-Nitrosopiperidin-3-yl)phenyl)-2H-indazole-7-carboxamide ;
NRP53B :
Niraparib N-Nitroso Impurity ;

(S)-2-(4-(2,7-Dimethyl-4-oxo-1,4-dihydropteridin-6-ylamino)benzamido)pentanedioic acid ;
FCD07A :
Folic Acid EP Impurity G ;

(S)-2-(4-(3-Fluorobenzyloxy)benzylamino)propanoic acid ;
CAS:1160513-60-9
SFN53 :
Safinamide Acid ;

(S)-2-(4-(N-(((R)-2-Amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)formamido)benzamido)pentanedioic acid ;
LFL02A :
Levofolinate EP Impurity B ; 5,10-Diformyltetrahydrolevofolic Acid ; Leucovorin USP Impurity D ;

(S)-2-(4-(N-((2-Amino-4-oxo-1,4-dihydropteridin-6-yl)methyl)formamido)benzamido)pentanedioic acid ;
CAS:134-05-4
LFL04A :
Levofolinate EP Impurity D ; 10-Formyl Folic Acid ; Calcium Folinate Impurity D ; Leucovorin USP Impurity F ;

(S)-2-(4-(Piperidin-3-yl)phenyl)-2H-indazole-7-carboxamide ;
CAS:1038915-60-4
NRP00B :
Niraparib (Base) ;

(S)-2-(4-(Piperidin-3-yl)phenyl)-2H-indazole-7-carboxylic acid ;
CAS:1476777-06-6
NRP51B :
Niraparib Carboxylic Acid ; Niraparib Metabolite M1 ;

(S)-2-(4-{[(2-Amino-4-oxo-1,4-dihydropteridin-6-yl)methyl] (methyl) amino} benzamido) pentanedioic acid ;
CAS:2410-93-7
MTX03 :
Methotrexate EP Impurity C ; Methotrexate USP RC C ; Methotrextae 4-Oxo Analog ; N-Methylfolic acid ; Methopteridine ;

(S)-2-(4-Amino-1-oxoisoindolin-2-yl)pentanediamide ;
LLM81 :
Lenalidomide Impurity 21 ;

(S)-2-(4-Amino-1-oxoisoindolin-2-yl)pentanedioic acid ;
LLM84 :
Lenalidomide Impurity 24 ;

(S)-2-(4-Aminobenzamido)pentanedioic acid ;
CAS:4271-30-1
LFL01A :
Levofolinate EP Impurity A ; Folic Acid EP Impurity A ; Methotrexate EP Impurity K ;

(S)-2-(4-Hydroxybenzylamino)propanamide ;
CAS:1843368-38-6
SFN54 :
Safinamide Desfluorobenzyl ;

(S)-2-(4-Nitro-1-oxoisoindolin-2-yl)pentanediamide ;
LLM91 :
Lenalidomide Impurity 31 ;

(S)-2-(4-Nitro-1-oxoisoindolin-2-yl)pentanedioic acid ;
LLM94 :
Lenalidomide Impurity 34 ;

(S)-2-(4-Phenoxyphenyl)-7-(piperidin-4-yl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carbonitrile ;
CAS:2190506-59-1
ZNB71 :
Zanubrutinib RC 11 ;

(S)-2-(4-Phenoxyphenyl)-7-(piperidin-4-yl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide ;
CAS:1633352-71-2
ZNB67 :
Zanubrutinib RC 7 ;

(S)-2-(5,7-Dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxamido)-3-(3-(methylsulfonyl)phenyl) propanoic acid hydrochloride ;
CAS:2271054-95-4
LGS70H :
Lifitegrast RC 10 ; Lifitegrast Impurity A ;

(S)-2-(5-fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic acid
LTM51 :
Letermovir 5-Fluoro Isomer ;

(S)-2-(6-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic acid ;
LTM52 :
Letermovir 6-Fluoro Isomer ;

(S)-2-(7-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic acid ;
LTM53 :
Letermovir 7-Fluoro Isomer

(S)-2-(8-Fluoro-2-(4-(3-hydroxyphenyl)piperazin-1-yl)-3-(2-methoxy-5-(trifluoromethyl)phenyl)-3,4-dihydroquinazolin-4-yl)acetic acid ;
LTM63 :
Letermovir RC 3 ;

(S)-2-(8-Fluoro-3-(2-hydroxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic acid ;
LTM62 :
Letermovir RC 2 ;

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)-3,4-dihydropyrazin-1(2H)-yl)-3,4-dihydroquinazolin-4-yl)acetic acid ;
CAS:2991299-71-7
LTM66 :
Letermovir RC 6 ;

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic acid ;
CAS:917389-32-3
LTM00 :
Letermovir ;

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-nitrosopiperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetic acid ;
LTM69 :
Letermovir RC 9 ;

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(N-(2-(N-(3-methoxyphenyl)formamido)ethyl)formamido)-3,4-dihydroquinazolin-4-yl)acetic acid ;
CAS:2994645-03-1
LTM65 :
Letermovir RC 5 ;

(S)-2-(8-Fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-oxo-1,2,3,4-tetrahydroquinazolin-4-yl)acetic acid ;
CAS:2758792-73-1
LTM67 :
Letermovir RC 7 ;

(S)-2-(Acetylamino)-3-methoxy-N-(phenylmethyl)propanamide ;
CAS:175481-37-5
LSM01 :
Lacosamide EP Impurity A ; Lacosamide (S)-Isomer ; epi-Lacosamide ;

(S)-2-(Benzofuran-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoic acid ;
LGS69A :
Lifitegrast RC 9 ;

(S)-2-(Benzyloxycarbonyl)-3-(4-hydroxyphenyl)propanoic acid ; N-[(Phenylmethoxy)carbonyl]-L-tyrosine ;
CAS:1164-16-5
TRF59 :
Tirofiban RC 9 ;

(S)-2-(Butylsulfonamido)-3-(4-(4-(piperidin-4-yl)butoxy)phenyl)propanoic acid ;
CAS:144494-65-5
TRF50B :
Tirofiban (Base) ;

(S)-2-(Butylsulfonamido)-3-(4-(4-(piperidin-4-yl)butoxy)phenyl)propanoic acid hydrochloride ;
CAS:142373-60-2
TRF50X :
Tirofiban (HCl) ;Tirofiban Hydrochloride ;

(S)-2-(Butylsulfonamido)-3-(4-(4-(piperidin-4-yl)butoxy)phenyl)propanoic acid hydrochloride hydrate ;
CAS:150915-40-5
TRF50H :
Tirofiban (HCl Monohydrate) ;Tirofiban Hydrochloride Monohydrate ;

(S)-2-(Butylsulfonamido)-3-(4-(4-(pyridin-4-yl)butoxy)phenyl)propanoic acid ;
CAS:149490-61-9
TRF53A :
Tirofiban RC 3 ;

(S)-2-(Butylsulfonamido)-3-(4-hydroxyphenyl)propanoic acid ;
CAS:149490-60-8
TRF52A :
Tirofiban RC 2 ; Desbutylpiperidine Tirofiban ;

(S)-2-(Oxiran-2-ylmethyl)isoindoline-1,3-dione ;
CAS:161596-47-0
LNZ61 :
Linezolid RC 1 ;

(S)-2-(Propylamino)-N-o-tolylpropanamide ;
CAS:14289-31-7
PLC52B :
Prilocaine S-Isomer (Base) ;

(S)-2-(Propylamino)-N-o-tolylpropanamide HCl ;
PLC52H :
Prilocaine S-Isomer (HCl) ;

(S)-2-[(S)-1-Ethoxy-1-oxo-4-phenylbutan-2-ylamino]propanoic acid ;
CAS:82717-96-2
MXP26 :
Moexipril USP RC F ; Enalapril EP Impurity B ; Quinapril EP Impurity B ; Ramipril EP Impurity F ; Trandolapril ECPPA Impurity ; Spirapril EP Impurity C ;

(S)-2-[(S)-N-[(S)-1-Carboxy-3-cyclohexylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester ;
CAS:2055735-09-4
QPR05B :
Quinapril EP Impurity E (Base) ; Quinapril Cyclohexyl Analag ;

(S)-2-[(S)-N-[(S)-1-Carboxy-3-cyclohexylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester HCl ;
QPR05H :
Quinapril EP Impurity E (HCl) ; Quinapril HCl Cyclohexyl Analag ;

(S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester ;
CAS:85441-61-8
QPR00B :
Quinapril ;

(S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester, monohydrochloride ;
CAS:82586-55-8
QPR00H :
Quinapril Hydrochloride ;

(S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester, N-oxide ;
QPR50 :
Quinapril N-Oxide ;

(S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-isopropyl ester ;
CAS:955034-25-0
QPR30 :
Quinapril Isopropyl Ester Analog ; O-Desethyl-O-Isopropyl Quinapril ;

(S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-methyl ester ;
CAS:118194-43-7
QPR40 :
Quinapril Methyl Ester Analog ; O-Desethyl-O-Methyl Quinapril ;

(S)-2-[[4-[(3-Fluorobenzyl)oxy]benzyl]-N-nitrosoamino]propanamide ;
CAS:2657645-00-4
SFN48 :
Safinamide N-Nitroso Impurity ; N-Nitroso Safinamide (USP) ;

(S)-2-[[4-[(3-Fluorobenzyl)oxy]benzyl]-N-nitrosoamino]propanoic acid ;
SFN49 :
Safinamide N-Nitroso Acid ; N-Nitroso Safinamide Acid ;

(S)-2-[[4-[(3-Fluorobenzyl)oxy]benzyl]amino]propanamide ;
CAS:133865-89-1
SFN00B :
Safinamide (Base) ;

(S)-2-[[4-[(3-Fluorobenzyl)oxy]benzyl]amino]propanamide methanesulfonate ;
CAS:202825-46-5
SFN00M :
Safinamide (Mesylate) ;

(S)-2-[4-(2-Methylpropyl)phenyl]propanoic acid ;
CAS:51146-56-6
IBP51 :
Ibuprofen (S)-Isomer ; Dexibuprofen ; d-(+)-Ibuprofen;

(S)-2-{(S)-2-[(S)-4-Cyclohexyl-1-ethoxy-1-oxobutan-2-ylamino]propanoyl}-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid ;
CAS:1356058-19-9
MXP24B :
Moexipril USP RC D (Base) ; Moexipril Cyclohexyl Analog ;

(S)-2-{(S)-2-[(S)-4-Cyclohexyl-1-ethoxy-1-oxobutan-2-ylamino]propanoyl}-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid hydrochloride ;
CAS:1356019-89-0
MXP24H :
Moexipril USP RC D (HCl) ; Moexipril Cyclohexyl Analog (HCl) ;

(S)-2-{4-[2,4-Diaminopteridin-6yl)methylamino] benzoamido} pentanedioic acid ;
CAS:54-62-6
MTX02 :
Methotrexate EP Impurity B ; Methotrexate USP RC B ; Aminopteridine ; Aminopterine ; 4-Aminofolic Acid ;

(S)-2-Amino-1-oxido-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole ;
PMP53B :
Pramipexole Sulfoxide ;

(S)-2-Amino-3-((S)-2-oxopyrrolidin-3-yl)propanamide ;
NMT61B :
Nirmatrelvir RC 1 (Base) ;

(S)-2-Amino-3-((S)-2-oxopyrrolidin-3-yl)propanamide HCl ;
CAS:2628280-48-6
NMT61H :
Nirmatrelvir RC 1 (HCl) ;

(S)-2-Amino-3-((S)-2-oxopyrrolidin-3-yl)propanenitrile ;
NMT62B :
Nirmatrelvir RC 2 (Base) ;

(S)-2-Amino-3-((S)-2-oxopyrrolidin-3-yl)propanenitrile HCl ;
CAS:2755950-35-5
NMT62H :
Nirmatrelvir RC 2 (HCl) ;

(S)-2-Amino-3-(3-(2-(dimethylamino)ethyl)-1H-indol-5-yl)propan-1-ol dihydrochloride ;
CAS:1241387-63-2
ZMT22H :
Zolmitriptan USP RC B (2HCl) ; Descarbonyl Zolmitriptan Dihydrochloride ; Zolmitriptan EP Impurity F (HCl) ;

(S)-2-Amino-3-(4-(2-amino-6-((R)-1-(4-chloro-2-(3-methyl-1H-pyrazol-1-yl)phenyl)-2,2,2-trifluoroethoxy)pyrimidin-4-yl)phenyl)propanoic acid ;
CAS:1033805-28-5
TTS50A :
Telotristat ; Telotristat Acid ;

(S)-2-Amino-3-(4-aminophenyl)propanol ;
CAS:726134-79-8
ZMT66B :
Zolmitriptan Impurity 6 ; Zolmitriptan Aminopropanol Impurity ;

(S)-2-Amino-3-(4-methoxyphenyl)-2-methylpropanoic acid ;
CAS:65555-88-6
MTD02B :
Methyldopa EP Impurity B (Base) ; Methyldopa USP RC B ;

(S)-2-Amino-3-(4-methoxyphenyl)-2-methylpropanoic acid HCl ;
CAS:35026-10-9
MTD02H :
Methyldopa EP Impurity B (HCl) ; Methyldopa USP RC B ;

(S)-2-Amino-3-[3-chloro-4-(4-hydroxy-3,5-diiodophenoxy)-5-iodophenyl] propanoic acid ;
CAS:909279-46-5
LTX61 :
Levothyroxine Monochloro Impurity ; Monochlorotriiodothyronine (USP) ;

(S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-N-methylpropanamide ;
CAS:2088032-52-2
LTX62 :
Levothyroxine N-Methylamide (USP) ;

(S)-2-Amino-3-[4-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl]propanoic acid ;
CAS:911661-90-0
LTX06 :
Levothyroxine EP Impurity F ; Levothyroxine T6 Impurity (USP) ; Levothyroxine USP Impurity D ; O-(4-Hydroxy-3,5-diiodophenyl)thyroxine ;

(S)-2-Amino-3-{3-[2-(dimethylamino)ethyl]-1H-indol-5-yl}propan-1-ol ;
CAS:139264-69-0
ZMT22B :
Zolmitriptan USP RC B (Base) ; Zolmitriptan EP Impurity F ;

(S)-2-Amino-4,5,6,7-tetrahydro-6-(1-oxo-propylamino)benzothiazole ;
CAS:106006-84-2
PMP05B :
Pramipexole EP Impurity E ; Pramipexole Propionamide (USP) ; Pramipexole 1-Oxo Impurity ;

(S)-2-Amino-4,5,6,7-tetrahydro-6-(ethylamino)benzothiazole ;
CAS:1254579-15-1
PMP52B :
Pramipexole N6-Ethylamino Analog (Base) ;

(S)-2-Amino-4,5,6,7-tetrahydro-6-(ethylamino)benzothiazole hydrobromide ;
PMP52H :
Pramipexole N6-Ethylamino Analog (HBr) ;

(S)-2-Amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole ;
CAS:104632-26-0
PMP00B :
Pramipexole (Base) ;

(S)-2-Amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole dihydrochloride ;
CAS:104632-25-9
PMP00X :
Pramipexole (2HCl) ; Pramipexole Dihydrochloride ;

(S)-2-Amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole dihydrochloride monohydrate ;
CAS:191217-81-9
PMP00H :
Pramipexole (2HCl Monohydrate) ; Pramipexole Dihydrochloride Monohydrate ;

(S)-2-Amino-4,5,6,7-tetrahydro-6-aminobenzothiazole ;
CAS:106092-09-5
PMP01B :
Pramipexole EP Impurity A ; Pramipexole USP RC A ; N-Despropyl Pramipexole (S)-Isomer ;

(S)-2-Aminobutanamide hydrochloride ;
CAS:7682-20-4
LET07H :
Levetiracetam EP Impurity G (HCl) ; Levetiracetam USP RC B ;

(S)-2-Aminobutanoic acid ;
CAS:1492-24-6
LET52B :
Levetiracetam Impurity 2 (Base) ;

(S)-2-Aminobutanoic acid hydrochloride ;
CAS:5959-29-5
LET52H :
Levetiracetam Impurity 2 (HCl) ;

(S)-2-Chloro-1-(2,4-dichlorophenyl)ethanol ;
CAS:126534-31-4
LZL51 :
Luliconazole Impurity 1 ;

(S)-2-Ethoxy-4-[2-[[2-phenyl-1-[2-(1-piperidinyl)phenyl]ethyl]-amino]-2-oxoethyl] benzoic acid ;
CAS:1803084-79-8
RPG23 :
Repaglinide USP RC C ;

(S)-2-Ethylbutyl 2-aminopropanoate ;
CAS:946565-74-8
RDV65B :
Remdesivir Impurity 5 (Base) ;

(S)-2-Ethylbutyl 2-aminopropanoate HCl ;
CAS:946511-97-3
RDV65H :
Remdesivir Impurity 5 (HCl) ;

(S)-2-Hydroxy-3-(2-methoxyphenoxy)propyl carbamate ;
CAS:108914-10-9
MTC51 :
Methocarbamol (S)-Isomer ;

(S)-2-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-ol ;
CAS:187235-08-1
PTD58 :
Pretomanid Impurity 8 ;

(S)-2-Propionylamino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole hydrochloride ;
CAS:1801892-43-2
PMP30H :
Pramipexole N2-Propionyl Impurity ;

(S)-2-Propylamino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole ;
CAS:1246815-83-7
PMP02B :
Pramipexole EP Impurity B ; Pramipexole USP RC B ; N2-Propyl Pramipexole ;

(S)-3,3-Dimethyl-2-((((1R,2R)-2-(pent-4-yn-1-yl)cyclopropoxy)carbonyl)amino)butyric acid tert-butylamine salt ;
CAS:1425038-21-6
GRZ65T :
Grazoprevir RC 5 (TBA Salt) ;

(S)-3,3-Dimethyl-2-(2,2,2-trifluoroacetamido)butanoic acid ;
CAS:666832-71-9
NMT64A :
Nirmatrelvir RC 4 (Acid) ;

(S)-3-((Methoxycarbonyl)methyl)-5-methylhexanoic acid ;
CAS:1082077-24-4
PRG82 :
Pregabalin Impurity 22 ;

(S)-3-((S)-2-((S)-1-Carboxy-3-phenylpropylamino)propanoyl)-1-methyl-2-oxoimidazolidine-4-carboxylic acid ;
CAS:89371-44-8
IMD52 :
Imidapril Diacid ; Imidaprilat ;

(S)-3-((S)-2-((S)-1-Ethoxy-1-oxo-4-phenylbutan-2-ylamino)propanoyl)-1-methyl-2-oxoimidazolidine-4-carboxylic acid ;
CAS:89371-37-9
IMD00B :
Imidapril (Base) ;

(S)-3-((S)-2-((S)-1-Ethoxy-1-oxo-4-phenylbutan-2-ylamino)propanoyl)-1-methyl-2-oxoimidazolidine-4-carboxylic acid hydrochloride ;
CAS:89396-94-1
IMD00H :
Imidapril (HCl) ; Imidapril Hydrochloride ;

(S)-3-((tert-Butoxycarbonyl)methyl)-5-methylhexanoic acid ;
CAS:649748-09-4
PRG66 :
Pregabalin Impurity 6 ;

(S)-3-(1-(Dimethylamino)ethyl)phenyl ethylcarbamate ;
CAS:1070660-34-2
RVS65 :
Rivastigmine RC 5 ;

(S)-3-(1-(Methyl(nitroso)amino)ethyl)phenyl ethyl(methyl)carbamate ;
CAS:3079775-26-8
RVS49 :
Rivastigmine N-Nitroso Analog ; N-Nitroso N-Desmethyl Rivastigmine (USP) ;

(S)-3-(1-Methylpyrrolidin-2-yl)pyridine ;
CAS:54-11-5
NTN00 :
Nicotine ;

(S)-3-(2-(4-Benzhydrylpiperazin-1-yl)ethyl) 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate ;
CAS:126451-47-6
MDP52B :
Manidipine (S)-Isomer (Base) ;

(S)-3-(2-(4-Benzhydrylpiperazin-1-yl)ethyl) 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate HCl ;
CAS:2231404-52-5
MDP52H :
Manidipine (S)-Isomer (HCl) ;

(S)-3-(2-(Dimethylamino)ethyl)-5-((2-oxooxazolidin-4-yl)methyl)-1H-indole-1-carbaldehyde ;
ZMT57B :
Zolmitriptan N-Formyl Impurity ;

(S)-3-(2-(Dimethylamino)ethyl)-5-((2-oxooxazolidin-4-yl)methyl)-1H-indole-2-carboxylic acid ;
CAS:659738-69-9
ZMT09B :
Zolmitriptan EP Impurity I ; Zolmitriptan 2-Carboxylic Acid ;

(S)-3-(2-Methoxy-2-oxoethyl)-5-methylhexanoic acid ;
CAS:181289-25-8
PRG81 :
Pregabalin Impurity 21 ;

(S)-3-(3-(((5-Hydroxy-4-methoxy-1,2-dihydrocyclobutabenzen-1-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-4,5-dihydro-1H-benzo[d]azepin-2(3H)-one hydrochloride ;
IVB54H :
Ivabradine 4-O-Desmethyl ;

(S)-3-(3-Fluorophenyl)-5-(hydroxymethyl)oxazolidin-2-one ;
CAS:919081-42-8
TDZ66 :
Tedizolid Impurity 6 ;

(S)-3-(4-(4-(1-(tert-Butoxycarbonyl)piperidin-4-yl)butoxy)phenyl)-2-(butylsulfonamido)propanoic acid ;
TRF55 :
Tirofiban RC 5 ;

(S)-3-(4-Amino-1-oxoisoindolin-2-yl)piperidine-2,6-dione ;
CAS:202271-91-8
LLM41 :
Lenalidomide (S)-Isomer ;

(S)-3-(4-Bromo-3-fluorophenyl)-5-(hydroxymethyl)oxazolidin-2-one ;
CAS:1369530-77-7
TDZ38 :
Tedizolid Impurity 38 ;

(S)-3-(4-Phenyl-1-piperazinyl)-1,2-propanediol N-oxide ;
CAS:152237-40-6
LDZ50B :
Levodropropizine N-Oxide ;

(S)-3-(6,8-Dichloro-2-methyl-1,2,3,4-tetrahydroisoquinolin-4-yl)benzene-1-sulfonyl chloride ;
CAS:1610028-57-3
TPR62B :
Tenapanor RC 2 ;

(S)-3-(Aminomethyl)-5-methylhex-4-enoic acid ;
CAS:1141362-54-0
PRG44B :
Pregabalin 4,5-Dehydro (S)-Isomer ;

(S)-3-(Aminomethyl)-5-methylhex-5-enoic acid (-)-O,OGÇÖ-di-p-toluoyl-L-tartaric acid ;
PRG58D :
Pregabalin 5,6-Dehydro (S)-Isomer (DTTA Salt) ; (S)-5,6-Dehydro Pregabalin DTTA Salt ; Pregabalin 5-Eliminate (S)-Isomer DTTA Salt ;

(S)-3-(Aminomethyl)-5-methylhex-5-enoic acid ;
CAS:1141362-94-8
PRG58B :
Pregabalin 5,6-Dehydro (S)-Isomer (Base) ; (S)-5,6-Dehydro Pregabalin ; Pregabalin 5-Eliminate (S)-Isomer ;

(S)-3-(Aminomethyl)-N,N-diethyl-5-methylhexanamide ;
CAS:1094517-97-1
PRG63 :
Pregabalin Impurity 3 ;

(S)-3-(Boc-amino)piperidine ;
CAS:216854-23-8
LGT72 :
Linagliptin RC 2 ;

(S)-3-(Cyanomethyl)-5-methylhexanoic acid ;
CAS:1621171-19-4
PRG67 :
Pregabalin Impurity 7 ;

(S)-3-(tert-Butylamino)-2-(4-morpholino-1,2,5-thiadiazol-3-yloxy)propan-1-ol ;
CAS:158636-96-5
TML55 :
Timolol Impurity 5 ; (S)-Isotimolol ;

(S)-3-[1-(Dimethylamino)ethyl]phenol ;
CAS:139306-10-8
RVS01 :
Rivastigmine EP Impurity A ; Rivastigmine USP RC C ; Rivastigmine Phenol Impurity ;

(S)-3-[1-(Dimethylamino)ethyl]phenyl dimethylcarbamate ;
CAS:1230021-28-9
RVS02B :
Rivastigmine EP Impurity B (Base) ; Rivastigmine Dimethyl Analog ;

(S)-3-[1-(Dimethylamino)ethyl]phenyl dimethylcarbamate tartrate salt ;
RVS02T :
Rivastigmine EP Impurity B (Tartrate) ; Rivastigmine Tartrate Dimethyl Analog ;

(S)-3-Chloro-N-((2-oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)thiophene-2-carboxamide ;
CAS:1855920-54-5
RVR72 :
Rivaroxaban RC 12 ; Rivaroxaban Impurity L ;

(S)-3-Cyano-5-methylhexanoic acid ;
CAS:181289-37-2
PRG50 :
Pregabalin 3-Cyano (S)-Isomer ;

(S)-3-Hexyl-5,6-dihydro-6-undecyl-2H-pyran-2-one ;
CAS:130676-64-1
OLS34 :
Orlistat Dihydropyranone Impurity ; Orlistat Hexyl Undecyl Pyranone Impurity ;

(S)-3-Hydroxyquinuclidine ; (S)-(+)-1-Azabicyclo[2.2.2]octan-3-ol ;
CAS:34583-34-1
SLF53B :
Solifenacin (S)-Hydroxyquinuclidine Impurity (Base) ;

(S)-3-Methyl-2-phenylbutanamide ;
CAS:174290-51-8
IBP66 :
Ibuprofen Impurity 6 ;

(S)-3-Methyl-9,10-bis(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
CAS:1329833-82-0
LFX68 :
Levofloxacin Impurity 8 ;

(S)-4,11-Diethyl-4,9-dihydroxy-1H-pyrano[3GÇÖ,4GÇÖ:6,7] indolizino[1,2-b] quinoline-3,14(4H,12H)-dione ;
CAS:86639-52-3
ITC05 :
Irinotecan EP Impurity E ; Irinotecan USP RC B ; 7-Ethyl-10-Hydroxy Camptothecin (USP) ; 11-Ethyl-9-Hydroxy Camptothecin (EP) ;

(S)-4,11-Diethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione ;
CAS:78287-27-1
ITC06 :
Irinotecan EP Impurity F ; 7-Ethyl Camptothecin (USP) ; 11-Ethyl Camptothecin (EP) ; Irinotecan USP RC E ;

(S)-4,5,6,7-Tetrahydro-N2,N6-propionyl-2,6-benzothiazolediamine ;
CAS:1346617-47-7
PMP35B :
Pramipexole Di-Amide ;

(S)-4,6-Dihydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one ;
CAS:63740-80-7
WFR71 :
Warfarin RC11 ; (S)-6-Hydroxy Warfarin ;

(S)-4,7-Dihydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one ;
CAS:63740-81-8
WFR77 :
Warfarin RC17

(S)-4,8,11-Triethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b] quinoline-3,14(4H,12H)-dione ;
CAS:947687-01-6
ITC07 :
Irinotecan EP Impurity G ; Irinotecan USP Impurity G ; 7,11-Diethyl-10-Hydroxy Camptothecin (USP) ; 8,11-Diethyl-9-Hydroxy Camptothecin (EP) ;

(S)-4,8,11-Triethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione-9-yl (1,4'-bipiperidine)-1'-carboxylate ;
CAS:947687-02-7
ITC03 :
Irinotecan EP Impurity C ; 11-Ethyl Irinotecan (USP) ; 8-Ethyl Irinotecan (EP) ;

(S)-4,8-Dihydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one ;
CAS:63740-82-9
WFR81 :
Warfarin RC21

(S)-4-((2-Amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methylamino)benzoic acid ; (6S)-5-Formyltetrahydropteroic acid ;
LFL05A :
Levofolinate EP Impurity E ;

(S)-4-((3-(2-(Dimethylamino)ethyl)-1H-indol-4-yl)methyl)oxazolidin-2-one ;
ZMT68B :
Zolmitriptan Impurity 8 ;

(S)-4-((3-(2-(Dimethylamino)ethyl)-1H-indol-6-yl)methyl)oxazolidin-2-one ;
ZMT69B :
Zolmitriptan Impurity 9 ;

(S)-4-((3-(2-(Dimethylamino)ethyl)-1H-indol-7-yl)methyl)oxazolidin-2-one ;
ZMT70B :
Zolmitriptan Impurity 10 ;

(S)-4-((3-(2-Chloroethyl)-1H-indol-5-yl)methyl)oxazolidin-2-one ;
CAS:1456510-16-9
ZMT65B :
Zolmitriptan Impurity 5 ;

(S)-4-((4-Chlorophenyl)(phenyl)methoxy)-4-oxobutanoic acid ;
LCP55S :
Levocloperastine CBZS (S)-Isomer ; (S)-4-Chlorobenzhydryl Hemisuccinate ;

(S)-4-({3-[2-(Dimethylamino)ethyl]-1H-indol-5-yl}methyl)oxazolidin-2-one ;
CAS:139264-17-8
ZMT00B :
Zolmitriptan ;

(S)-4-({3-[2-(Methylamino)ethyl]-1H-indol-5-yl}methyl)oxazolidin-2-one ;
CAS:139264-35-0
ZMT21B :
Zolmitriptan USP RC A ; N-Desmethyl Zolmitriptan ; Zolmitriptan EP Impurity G ;

(S)-4-(2,3,5,6-Tetrahydroimidazo[2,1-b]thiazol-6-yl)benzoic acid ;
LVM54 :
Levamisole 4-Carboxy Impurity ;

(S)-4-(2,3,5,6-Tetrahydroimidazo[2,1-b]thiazol-6-yl)phenol ;
CAS:69359-04-2
LVM64 :
Levamisole 4-Hydroxy Impurity ;

(S)-4-(2-(tert-Butylamino)-1-hydroxyethyl)-2-(hydroxymethyl)phenol hydrochloride ;
CAS:50293-91-9
SAB51H :
Salbutamol (S)-Isomer HCl ; Albuterol (S)-Isomer HCl ;

(S)-4-(2-Methylpropyl)-2-pyrrolidinone ; (S)-4-Isobutyl-2-pyrrolidinone ;
CAS:181289-23-6
PRG01 :
Pregabalin EP Impurity A ; Pregabalin Lactam (S)-Isomer ;

(S)-4-(3,4-Dichlorophenyl)-1-tetralone ;
CAS:124379-29-9
STL45 :
Sertraline Tetralone S-Isomer ; (S)-Sertraline Tetralone ;

(S)-4-(3-Bromophenyl)-6,8-dichloro-2-methyl-1,2,3,4-tetrahydroisoquinoline ;
CAS:1870821-29-6
TPR67B :
Tenapanor RC 7 ;

(S)-4-(4-(3-Amino-2-hydroxypropylamino)phenyl)morpholin-3-one ;
CAS:1403383-56-1
RVR64 :
Rivaroxaban RC 4 ;

(S)-4-(4-(Carboxymethyl)-8-fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-3,4-dihydroquinazolin-2-yl)-1-(3-methoxyphenyl)piperazine 1-oxide ;
CAS:2991059-71-1
LTM56 :
Letermovir N-Oxide ;

(S)-4-(4-Aminobenzyl)-2-(1H)-oxazolidinone ;
CAS:152305-23-2
ZMT27B :
Zolmitriptan USP RC G ; Zolmitriptan EP Impurity E ;

(S)-4-(4-Hydrazinylbenzyl)-2-oxazolidinone ;
CAS:187975-62-8
ZMT61B :
Zolmitriptan Impurity 1 (Base) ;

(S)-4-(4-Hydrazinylbenzyl)-2-oxazolidinone HCl ;
CAS:139264-57-6
ZMT61H :
Zolmitriptan Impurity 1 (HCl) ;

(S)-4-(4-Nitrobenzyl)oxazolidin-2-one ;
CAS:139264-55-4
ZMT62 :
Zolmitriptan Impurity 2 ;

(S)-4-(Oxiran-2-yl)-2,3-dihydrobenzofuran ;
CAS:252577-77-8
TLT65 :
Tasimelteon RC 5 ;

(S)-4-amino-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione ;
CAS:202271-89-4
PLD61B :
Pomalidomide (S)-Isomer ;

(S)-4-Chloro-3-hydroxybutanenitrile ;
CAS:127913-44-4
RSVB3 :
Rosuvastatin Impurity 13 ;

(S)-4-Ethyl-4,9-dihydroxy-1H-pyrano[3GÇÖ,4GÇÖ:6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione ;
CAS:19685-09-7
ITC02 :
Irinotecan EP Impurity B ; Irinotecan USP RC A ; 9-Hydroxy Camptothecin (EP) ;

(S)-4-Ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14 (4H,12H)-dione ;
CAS:7689-03-04 00:00:00
TTC23 :
Topotecan USP RC C ; Irinotecan EP Impurity D ; Camptothecin ;

(S)-4-Ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14 (4H,12H)-dione ;
CAS:7689-03-04 00:00:00
ITC04 :
Irinotecan EP Impurity D ; Camptothecin ; Topotecan USP RC C ;

(S)-4-Ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14 (4H,12H)-dione-9-yl (1,4'-bipiperidine)-1'-carboxylate ;
CAS:103816-16-6
ITC01 :
Irinotecan EP Impurity A ; Irinotecan USP Impurity A ; 7-Desethyl Irinotecan (USP) ; 11-Desethyl Irinotecan (EP) ;

(S)-4-Hydroxy-3-(1-(3-hydroxyphenyl)-3-oxobutyl)-2H-chromen-2-one ;
CAS:124952-36-9
WFR63 :
Warfarin RC3

(S)-4-Hydroxy-3-(1-(4-hydroxyphenyl)-3-oxobutyl)-2H-chromen-2-one ;
CAS:68407-05-6
WFR66 :
Warfarin RC6

(S)-4-Nitrophenyl 1-Phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate ;
CAS:1229227-22-8
SLF54 :
Solifenacin Nitrophenyl Ester ;

(S)-4-Nitroso-2-(4-phenoxyphenyl)-7-(piperidin-4-yl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide ;
ZNB52 :
Zanubrutinib N-Nitroso RC 2 ;

(S)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine ;
CAS:823817-55-6
SGT01B :
Sitagliptin EP Impurity A (Base) ; Sitagliptin (S)-Isomer ; ent-Sitagliptin ; (S)-Sitagliptin (USP)

(S)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine phosphate ;
CAS:823817-58-9
SGT01P :
Sitagliptin EP Impurity A (Phosphate) ; Sitagliptin (S)-Isomer Phosphate Salt ; ent-Sitagliptin Phosphate ; (S)-Sitagliptin Phosphate (USP) ;

(S)-5,6,7,8-Tetrahydro-6-[propyl[2-(2-thienyl)ethyl]amino]-1-naphthalenyl +¦-D-glucopyranosiduronic acid ;
CAS:128464-29-9
RTG70 :
Rotigotine +¦-D-Glucuronide ;

(S)-5,7-Difluorochroman-4-ol ;
CAS:942195-91-7
TGP68 :
Tegoprazan RC 8 ;

(S)-5,7-Dihydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one ;
CAS:480-41-1
NGX00 :
Naringenin ; (S)-Naringenin ;

(S)-5,7-Dihydroxy-2-(4-hydroxyphenyl)-6-methoxy-2,3-dihydrochromen-4-one ;
CAS:94942-49-1
NGX52 :
Naringenin 6-Methoxy ;

(S)-5-(2,2-Dimethyl-4H-benzo[d][1,3]dioxin-6-yl)oxazolidin-2-one ;
VLT53 :
Vilanterol RC 3 ;

(S)-5-(3-(tert-Butylamino)-2-hydroxypropoxy)-3,4-dihydronaphthalen-1(2H)-one ;
CAS:47141-42-4
LBN00B :
Levobunolol (Base) ;

(S)-5-(3-(tert-Butylamino)-2-hydroxypropoxy)-3,4-dihydronaphthalen-1(2H)-one hydrochloride ;
CAS:27912-14-7
LBN00H :
Levobunolol HCl;

(S)-5-(Benzyloxy)-2-(2,2-diphenylacetyl)-6-methoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid ;
CAS:1316755-16-4
MXP61A :
Moexipril RC 1 (Acid) ;

(S)-5-(Oxiran-2-ylmethoxy)-3,4-dihydronaphthalen-1(2H)-one ;
CAS:151528-55-1
LBN62 :
Levobunolol RC 2 ;

(S)-5-[1-(2,3-Dimethylphenyl)ethyl]-1H-imidazole ;
CAS:113775-47-6
MDT60B :
Medetomidine (S)-Isomer (Base) ; Dexmedetomidine ;

(S)-5-[1-(2,3-Dimethylphenyl)ethyl]-1H-imidazole HCl ;
CAS:145108-58-3
MDT60H :
Medetomidine (S)-Isomer (HCl) ; Dexmedetomidine HCl ;

(S)-5-Amino-2-(4-amino-1-oxoisoindolin-2-yl)-5-oxopentanoic acid ;
CAS:874760-69-7
LLM83 :
Lenalidomide Impurity 23 ;

(S)-5-Amino-2-(4-nitro-1-oxoisoindolin-2-yl)-5-oxopentanoic acid ;
CAS:874760-71-1
LLM93 :
Lenalidomide Impurity 33 ;

(S)-5-Amino-4-(4-amino-1-oxoisoindolin-2-yl)-5-oxopentanoic acid ;
CAS:874760-72-2
LLM82 :
Lenalidomide Impurity 22 ; Lenalidomide Impurity F ;

(S)-5-Amino-4-(4-nitro-1-oxoisoindolin-2-yl)-5-oxopentanoic acid ;
LLM92 :
Lenalidomide Impurity 32 ;

(S)-5-Chloro-N-((3-(4-(2-hydroxyethylamino)phenyl)-2-oxooxazolidin-5-yl)methyl)thiophene-2-carboxamide ;
CAS:936232-22-3
RVR73 :
Rivaroxaban RC 13 ; Rivaroxaban Desmorpholinone Analog (USP) ;

(S)-5-Chloro-N-(3-(2-chlorothiophene-5-carboxamido)-2-hydroxypropyl)-N-(4-(3-oxomorpholino)phenyl)thiophene-2-carboxamide ;
CAS:2204368-63-6
RVR70 :
Rivaroxaban RC 10 ;

(S)-5-Chloro-N-(3-chloro-2-hydroxypropyl)thiophene-2-carboxamide ;
CAS:1384257-81-1
RVR81 :
Rivaroxaban RC 21 ;

(S)-5-CHLORO-N-(OXIRAN-2-YLMETHYL)THIOPHENE-2-CARBOXAMIDE
CAS:799012-78-5
RVRA0
Rivaroxaban RC 40 ;

(S)-5-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-((2S,3S,4S,5S)-3,4,5-trihydroxy-6-(((2R,4S,5R)-3,4,5-trihydroxy-6-methyl-tetrahydro-2H-pyran-2-yloxy)methyl)-tetrahydro-2H-pyran-2-yloxy)-2,3-dihydrochromen-4-one ;
CAS:520-26-3
HSP00 :
Hesperidin ; Diosmin EP Impurity B ;

(S)-5-Methoxy-N-propyl-N-[2-(thiophen-2-yl)ethyl]-1,2,3,4-tetrahydronaphthalen-2-amine ;
CAS:1148154-91-9
RTG08B :
Rotigotine EP Impurity H (Base) ; Rotigotine USP RC H ; O-Methyl Rotigotine ;

(S)-5-Methoxy-N-propyl-N-[2-(thiophen-2-yl)ethyl]-1,2,3,4-tetrahydronaphthalen-2-amine HCl ;
RTG08H :
Rotigotine EP Impurity H (HCl) ; Rotigotine USP RC H ; O-Methyl Rotigotine HCl ;

(S)-5-Methoxy-N-propyl-N-[2-(thiophen-2-yl)ethyl]-1,2,3,4-tetrahydronaphthalen-2-amine oxalate ;
RTG08X :
Rotigotine EP Impurity H (Oxalate) ; Rotigotine USP RC H ; O-Methyl Rotigotine Oxalate ;

(S)-5-tert-Butoxy-4-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)-5-oxopentanoic acid ;
CAS:79640-70-3
MTX51 :
Methotrexate +¦-tert-Butyl Ester ;

(S)-6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid ;
CAS:103733-66-0
MXP25B :
Moexipril USP RC E ;

(S)-6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid hydrochloride ;
CAS:82586-62-7
MXP25H :
Moexipril USP RC E (HCl) ;

(S)-6,7-Dimethoxy-2-{(S)-2-[(S)-1-methoxy-1-oxo-4-phenylbutan-2-ylamino]propanoyl}-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid ;
CAS:122379-46-8
MXP27B :
Moexipril USP RC G (Base) ; Moexipril Methyl Ester Analog ;

(S)-6,7-Dimethoxy-2-{(S)-2-[(S)-1-methoxy-1-oxo-4-phenylbutan-2-ylamino]propanoyl}-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid hydrochloride ;
CAS:1356841-17-2
MXP27H :
Moexipril USP RC G (HCl) ; Moexipril HCl Methyl Ester Analog ;

(S)-6,8-Difluoro-1-(1-hydroxypropan-2-yl)-7-(4-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ;
CAS:1036016-10-0
LFX62 :
Levofloxacin Impurity 2 ; Levofloxacin Hydroxy Acid ;

(S)-6-((S)-5-(((S)-2-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-yloxy)methyl)-2-(trifluoromethoxy)benzyloxy)-2-nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine ;
PTD57 :
Pretomanid Impurity 7 ;

(S)-6-(4-(Trifluoromethoxy)benzyloxy)-2-nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine ;
CAS:187235-37-6
PTD00 :
Pretomanid ; Merck-PA-824 ;

(S)-6-(4-Nitrophenyl)-2,3,5,6-tetrahydroimidazo[2,1-b]thiazole ;
CAS:76497-81-9
LVM74 :
Levamisole 4-Nitro Impurity ;

(S)-6-(Propylamino)-5,6,7,8-tetrahydronaphthalen-1-ol ;
CAS:101470-23-9
RTG02B
Rotigotine EP Impurity B (Base) ; N-Desthienylethyl Rotigotine ;

(S)-6-(Propylamino)-5,6,7,8-tetrahydronaphthalen-1-ol HCl ;
RTG02H
Rotigotine EP Impurity B (HCl) ; N-Desthienylethyl Rotigotine HCl ;

(S)-6-{Bis[2-(thiophen-2-yl)ethyl]amino}-5,6,7,8-tetrahydronaphthalen-1-ol ;
CAS:1422357-33-2
RTG07B :
Rotigotine EP Impurity G (Base) ; Rotigotine USP RC G (Base) ;

(S)-6-{Bis[2-(thiophen-2-yl)ethyl]amino}-5,6,7,8-tetrahydronaphthalen-1-ol hydrochloride ;
RTG07H :
Rotigotine EP Impurity G (HCl) ; Rotigotine USP RC G (HCl) ;

(S)-6-Fluoro-1-methyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydro-[1,3]thiazeto[3,2-a]quinoline-3-carboxylic acid
CAS:138382-93-1
UFX42 :
Ulifloxacin (S)-Isomer

(S)-6-Fluoro-2-[(R)-oxiran-2-yl]chroman ;
NBV24S :
Nebivolol USP RC D (SR)-Isomer ;

(S)-6-Fluoro-2-[(S)-oxiran-2-yl]chroman ;
NBV23S :
Nebivolol USP RC C (SS)-Isomer ;

(S)-6-Methyl-4-phenyl-3,4-dihydrochromen-2-one
CAS:349547-18-8
TTR65 :
Tolterodine Impurity 5 ;

(S)-7-((5,7-Difluorochroman-4-yl)oxy)-N,N,2-trimethyl-1H-benzo[d]imidazole-5-carboxamide ;
CAS:942195-55-3
TGP00 :
Tegoprazan ; Tegoprazan S-Isomer ;

(S)-7-(1-Acryloylpiperidin-4-yl)-2-(4-phenoxyphenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide ;
CAS:1691249-45-2
ZNB00 :
Zanubrutinib ;

(S)-7-(1-Acryloylpiperidin-4-yl)-4-nitroso-2-(4-phenoxyphenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide ;
ZNB51 :
Zanubrutinib N-Nitroso RC 1 ;

(S)-7-(1-Nitrosopiperidin-4-yl)-2-(4-phenoxyphenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carboxamide ;
ZNB53 :
Zanubrutinib N-Nitroso RC 3 ;

(S)-7-(Benzyloxy)-4-hydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one ;
WFR74 :
Warfarin RC14

(S)-7-Bromo-6-chloro-3-(2-oxo-3-(piperidin-2-yl)propyl)quinazolin-4(3H)-one ;
CAS:1819989-15-5
HLF66B :
Halofuginone RC 6 (Base) ;

(S)-7-Bromo-6-chloro-3-(2-oxo-3-(piperidin-2-yl)propyl)quinazolin-4(3H)-one dihydrobromide ;
CAS:1819989-16-6
HLF66X :
Halofuginone RC 6 (2HBr) ;

(S)-7-Hydroxy-5-methoxy-4-methyl-6-[2-(5-methyl-2-oxo-tetrahydro-furan-5-yl)-ethyl]-3H-isobenzofuranyl-1-one ;
CAS:79081-87-1
MCP58 :
Mycophenolic Acid Lactone (S)-Isomer ;

(S)-8-(((S)-Quinuclidin-3-ylamino)methyl)-5,6,7,8-tetrahydronaphthalene-1-carboxylic acid ;
CAS:2125941-92-4
PLN50 :
Palonosetron Acid ; (S,S)-Palonosetron Acid ; Palonosetron Impurity B ;

(S)-9,10-Difluoro-3-methyl-2,3,5,6-tetrahydro-[1,4]oxazino[2,3,4-ij]quinolin-7-one ;
CAS:1798902-76-7
LFX71 :
Levofloxacin Impurity 11 ;

(S)-9,10-Difluoro-3-methyl-2,3,5,6-tetrahydro-7,7-O-ethylidene-7H-pyrido[1,2,3-de]-1,4-benzoxazin-7,7-diol ;
CAS:1798887-79-2
LFX72 :
Levofloxacin Impurity 12 ;

(S)-9,10-Difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid ;
CAS:100986-89-8
LFX06 :
Levofloxacin EP Impurity F ; Levofloxacin USP RC B ; Levofloxacin Difluoro Carboxylic Acid ;

(S)-9-(1-Aminocyclopropyl)-10-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
PZF57 :
Pazufloxacin Impurity 7 ;

(S)-9-(2-Phosphonomethoxypropyl)adenine ;
CAS:147127-19-3
TNF40B :
Tenofovir (S)-Isomer ;

(S)-9-(Cyanomethyl)-10-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
PZF59 :
Pazufloxacin Impurity 9 ;

(S)-9-Fluoro-10-(3-hydroxypropanoyl)-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
CAS:164851-44-9
PZF61 :
Pazufloxacin Impurity 11 ;

(S)-9-Fluoro-10-[formyl[2-(formylmethylamino)ethyl]amino]-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ;
CAS:151377-74-1
LFX36 :
Levofloxacin Desethylene Diformyl Impurity ; N,NGÇÖ-Desethylene-N,NGÇÖ-Diformyl Levofloxacin ;

(S)-9-Fluoro-3-methyl-10-(4-nitrosopiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid;
CAS:1152314-62-9
LFX49 :
Levofloxacin N-Nitroso Analog ;

(S)-9-Fluoro-3-methyl-7-oxo-10-propionyl-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
PZF65 :
Pazufloxacin Impurity 15 ;

(S)-9-Fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6,10-dicarboxylic acid ;
PZF66 :
Pazufloxacin Impurity 16 ;

(S)-9-Fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid ;
CAS:117620-84-5
LFX80 :
Levofloxacin Impurity 20 ;

(S)-9-Fluoro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-2-carboxylic acid ;
CAS:154357-42-3
NDF52 :
Nadifloxacin (S)-Isomer ;

(S)-Adamantylglycine ; (aS)-Amino-tricyclo[3.3.1.13,7]decane-1-acetic acid ;
SXG68B :
Saxagliptin RC 8 (Base) ;

(S)-Adamantylglycine hydrochloride ; (aS)-Amino-tricyclo[3.3.1.13,7]decane-1-acetic acid hydrochloride ;
CAS:102502-64-7
SXG68H :
Saxagliptin RC 8 (HCl) ;

(S)-Benzyl 2-(2-(benzofuran-6-carbonyl)-5,7-dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoate ;
CAS:1194550-67-8
LGS64 :
Lifitegrast RC 4 ; Lifitegrast Benzyl Ester ; Lifitegrast Impurity F ;

(S)-Benzyl 2-(5,7-dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoate hydrochloride ;
CAS:1194550-65-6
LGS63H :
Lifitegrast RC 3 (HCl) ;

(S)-Benzyl 2-(benzofuran-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoate ;
LGS77 :
Lifitegrast RC 17 ;

(S)-Benzyl 2-amino-3-(3-(methylsulfonyl)phenyl)propanoate hydrochloride ;
CAS:1194550-59-8
LGS61H :
Lifitegrast RC 1 (HCl) ;

(S)-Boc-adamantylglycine ; (aS)-[[(1,1-Dimethylethoxy)carbonyl]amino]-tricyclo[3.3.1.13,7]decane-1-acetic acid ;
CAS:361441-97-6
SXG69 :
Saxagliptin RC 9 ;

(S)-Chloromethyl 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate ;
LFX64 :
Levofloxacin Impurity 4 ; Levofloxacin Chloromethyl Ester ;

(S)-Diethyl (1-(6-amino-9H-purin-9-yl)propan-2-yloxy)methylphosphonate ;
CAS:1217630-57-3
TNF64B :
Tenofovir Diethyl Ester (S)-Isomer ;

(S)-Diethyl 2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioate ;
CAS:43170-88-3
MTX55 :
Methotrexate Diethyl Ester ;

(S)-Dimethyl 2-(4-(((2,4-diamino-7-cyanopteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioate ;
CAS:112163-39-0
MTX52 :
Methotrexate 7-Cyano Dimethyl Ester ;

(S)-Ethyl 10-(1-aminocyclopropyl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate ;
CAS:127046-18-8
PZF63 :
Pazufloxacin Impurity 13 ; (S)-Pazufloxacin Ethyl Ester ;

(S)-Ethyl 10-(cyanomethyl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate ;
PZF68 :
Pazufloxacin Impurity 18 ;

(S)-Ethyl 2-(2-(benzofuran-6-carbonyl)-5,7-dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoate ;
CAS:2295862-24-5
LGS74 :
Lifitegrast RC 14 ; Lifitegrast Ethyl Ester ; Lifitegrast Impurity E ;

(S)-Ethyl 2-(8-fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetate ;
CAS:2758792-79-7
LTM54 :
Letermovir Ethyl Ester ;

(S)-Ethyl 2-(benzyloxy)propanoate ;
CAS:54783-72-1
LFX76 :
Levofloxacin Impurity 16 ;

(S)-Ethyl 2-[(3S, 5aS, 9aR, 10aS)-3-methyl-1,4-dioxodecahydro pyrazino[1,2-a]indol-2(1H)-yl]-4-phenylbutanoate ;
CAS:149881-40-3
TDL04 :
Trandolapril EP Impurity D ; Trandolapril USP RC D ; Trandolapril Diketopiperazine ;

(S)-Ethyl 2-{(3S,11aS)-8,9-dimethoxy-3-methyl-1,4-dioxo-3,4-dihydro-1H-pyrazino[1,2-b]isoquinolin-2(6H,11H,11aH)-yl}-4-phenylbutanoate ;
CAS:103733-51-3
MXP22 :
Moexipril USP RC B ; Moexipril Diketopiperazine ;

(S)-Ethyl 2-amino-3-(4-(2-amino-6-((R)-1-(4-chloro-2-(3-methyl-1H-pyrazol-1-yl)phenyl)-2,2,2-trifluoroethoxy)pyrimidin-4-yl)phenyl)propanoate ;
CAS:1033805-22-9
TTS00B :
Telotristat Ethyl ; Telotristat Ethyl Ester ;

(S)-Ethyl 2-amino-3-(4-(2-amino-6-((R)-1-(4-chloro-2-(3-methyl-1H-pyrazol-1-yl)phenyl)-2,2,2-trifluoroethoxy)pyrimidin-4-yl)phenyl)propanoate etiprate salt ;
CAS:1137608-69-5
TTS00E :
Telotristat Ethyl Etiprate Salt ; Telotristat Ethyl Ester Etiprate Salt ;

(S)-Ethyl 2-amino-3-(4-(bis(2-chloroethyl)amino)phenyl)propanoate ;
CAS:18067-07-7
MLP52B :
Melphalan Ethyl Ester (Base) ;

(S)-Ethyl 2-amino-3-(4-(bis(2-chloroethyl)amino)phenyl)propanoate hydrochloride ;
CAS:112117-81-4
MLP52H :
Melphalan Ethyl Ester (HCl) ;

(S)-Ethyl 3-(2-(dimethylamino)ethyl)-5-((2-oxooxazolidin-4-yl)methyl)-1H-indole-2-carboxylate hydrochloride ;
CAS:868622-23-5
ZMT24H :
Zolmitriptan USP RC D (HCl) ; Zolmitriptan 2-Carboxylic Acid Ethyl Ester (HCl) ;

(S)-Ethyl 3-[2-(dimethylamino)ethyl]-5-[(2-oxooxazolidin-4-yl)methyl]-1H-indole-2-carboxylate ;
CAS:191864-24-1
ZMT24B :
Zolmitriptan USP RC D (Base) ; Zolmitriptan 2-Carboxylic Acid Ethyl Ester (Base) ;

(S)-Ethyl 6,7,8-trifluoro-1-(1-hydroxypropan-2-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate ;
CAS:110548-03-3
LFX89 :
Levofloxacin Impurity 29 ;

(S)-Ethyl 7,8-difluoro-1-(1-hydroxypropan-2-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate ;
LFX73 :
Levofloxacin Impurity 13 ;

(S)-Ethyl 9,10-difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate ;
CAS:106939-34-8
LFX70 :
Levofloxacin Impurity 10 ;

(S)-Isopropyl 2-(((R)-((((S)-1-(6-amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)(phenoxy) phosphoryl)amino)propanoate ;
TNA82B :
Tenofovir Alafenamide Diasteromer-2 ;

(S)-Isopropyl 2-(8-fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetate ;
CAS:2872586-94-0
LTM64 :
Letermovir RC 4 ; Letermovir Isopropyl Ester ;

(S)-Isopropyl 2-amino-3-(4-(bis(2-chloroethyl)amino)phenyl)propanoate ;
CAS:104874-57-9
MLP53B :
Melphalan Isopropyl Ester (Base) ;

(S)-Isopropyl 2-amino-3-(4-(bis(2-chloroethyl)amino)phenyl)propanoate dihydrochloride ;
MLP53H :
Melphalan Isopropyl Ester (2HCl) ;

(S)-Methyl (2-oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methylcarbamate ;
CAS:1838139-08-4
RVR84 :
Rivaroxaban RC 24 ; Rivaroxaban Methoxy Analog ;

(S)-Methyl 1-nitrosopyrrolidine-2-carboxylate ;
CAS:35909-01-4
VDG47 :
Vildagliptin N-Nitroso L-Proline Methyl Ester ;

(S)-Methyl 2-(((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)(nitroso)amino)-3-methylbutanoate ;
VST58 :
Valsartan N-Nitroso Methyl Ester ;

(S)-Methyl 2-((S)-1-(benzyloxy)-1-oxopropan-2-ylamino)-4-phenylbutanoate ;
CAS:1356011-63-6
TDL62 :
Trandolapril RC 2 ;

(S)-Methyl 2-(2-(benzofuran-6-carbonyl)-5,7-dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoate ;
CAS:2295862-29-0
LGS62 :
Lifitegrast RC 2 ; Lifitegrast Methyl Ester ; Lifitegrast Impurity G ;

(S)-Methyl 2-(8-fluoro-3-(2-methoxy-5-(trifluoromethyl)phenyl)-2-(4-(3-methoxyphenyl)piperazin-1-yl)-3,4-dihydroquinazolin-4-yl)acetate ;
CAS:917389-29-8
LTM55 :
Letermovir Methyl Ester ;

(S)-Methyl 2-amino-3-((S)-2-oxopyrrolidin-3-yl)propanoate hydrochloride ;
NMT67H :
Nirmatrelvir RC 7 (HCl) ;

(S)-Methyl 2-amino-3-hydroxypropanoate hydrochloride ;
CAS:5680-80-8
RMP62H :
Ramipril RC 2 (HCl) ; L-Serine Methyl Ester Hydrochloride ;

(S)-Methyl 2-oxo-2-((2-oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methylamino)acetate ;
RVR86 :
Rivaroxaban RC 26 ;

(S)-Methyl 3-((tert-butoxycarbonyl)methyl)-5-methylhexanoate ;
CAS:1246816-46-5
PRG65 :
Pregabalin Impurity 5 ;

(S)-Methyl 3-(aminomethyl)-5-methylhexanoate ;
CAS:779325-26-7
PRG83 :
Pregabalin Impurity 23 ;

(S)-Methyl 4-(2-(1-(2-aminophenyl)-3-methylbutylamino)-2-oxoethyl)-2-ethoxybenzoate ;
CAS:1246820-55-2
RPG51 :
Repaglinide Impurity 1 ; Repaglinide 2-Despiperidyl 2-Amino Methyl Ester ;

(S)-Methyl 5-amino-2-(4-amino-1-oxoisoindolin-2-yl)-5-oxopentanoate ;
CAS:878782-79-7
LLM63 :
Lenalidomide Impurity 3 ;

(S)-Methyl 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate ;
CAS:862690-19-5
LFX63 :
Levofloxacin Impurity 3 ; Levofloxacin Methyl Ester ;

(S)-Methyl 9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate ;
LFX81 :
Levofloxacin Impurity 21 ;

(S)-N,N-Dimethyl-1-[3-(4-nitrophenoxy)phenyl]ethanamine ;
CAS:1346242-32-7
RVS41B :
Rivastigmine Ether Impurity (Base) ; Rivastigmine 4-Nitrophenoxy Impurity ;

(S)-N,N-Dimethyl-1-[3-(4-nitrophenoxy)phenyl]ethanamine tartrate salt ;
RVS41T :
Rivastigmine Ether Impurity (Tartrate) ; Rivastigmine Tartrate 4-Nitrophenoxy Impurity ;

(S)-N-(((S)-1,2,3,4-Tetrahydronaphthalen-1-yl)methyl)quinuclidin-3-amine ;
CAS:177793-80-5
PLN63
Palonosetron RC 3 ;

(S)-N-((2S,4S,5S)-5-(2-(2,6-dimethylphenoxy)acetamido)-4-hydroxy-1,6-diphenylhexan-2-yl)-3-methyl-2-(2-oxo-3,6-dihydropyrimidin-1(2H)-yl)butanamide ;
LPN80 :
Lopinavir Dehydro Impurity ; 4,5-Dehydro(pyrimidin-2(1H)-one) Lopinavir ;

(S)-N-((S)-Quinuclidin-3-yl)-1,2,3,4-tetrahydronaphthalene-1-carboxamide ;
CAS:177793-79-2
PLN65 :
Palonosetron RC 5 ;

(S)-N-(1-(2,6-Dimethylphenoxy)propan-2-yl)acetamide ;
CAS:160169-32-4
MLT65 :
Mexiletine RC 5 ;

(S)-N-(1-(7-(But-2-ynyl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)formamide ;
LGT78 :
Linagliptin RC 8 ; N-Formyl (S)-Linagliptin ;

(S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide ;
CAS:102767-31-7
LET21 :
Levetiracetam USP RC A ;

(S)-N-(1-Benzyloxycarbonyl-2-methylprop-1-yl)-N-[2GÇ¦-(1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]amine ;
CAS:676129-93-4
VST53 :
Valsartan Desvaleryl Benzyl Impurity ; Des(oxopentyl) Valsartan Benzyl Ester ;

(S)-N-(1-Carboxy-2-methylprop-1-yl)-N-[2GÇ¦-(1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]amine ;
CAS:676129-92-3
VST51 :
Valsartan Desvaleryl Impurity ; Devaleryl Valsartan (USP) ; Des(oxopentyl) Valsartan ;

(S)-N-(1-Methoxycarbonyl-2-methylprop-1-yl)-N-[2GÇ¦-(1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]amine ;
CAS:1111177-24-2
VST52B :
Valsartan Desvaleryl Methyl Ester (Base) ;

(S)-N-(1-Methoxycarbonyl-2-methylprop-1-yl)-N-[2GÇ¦-(1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]amine HCl;
CAS:1111177-20-8
VST52H :
Valsartan Desvaleryl Methyl Ester (HCl) ;

(S)-N-(1-Oxopentyl)-N-[[2-(1H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-valine ;
CAS:137862-53-4
VST00 :
Valsartan ;

(S)-N-(2,6-Dimethylphenyl)-1-methylpiperidine-2-carboxamide hydrochloride ;
CAS:34333-71-6
MVC50H :
Mepivacaine (S)-Isomer (HCl) ; Ropivacaine EP Impurity C ; Ropivacaine BP Impurity C ; Ropivacaine HCl N-Methyl Analog ;

(S)-N-(2-(5-Bromo-6-(vinyloxy)-2,3-dihydro-1H-inden-1-yl)ethyl)propionamide ;
CAS:1246820-28-9
RMT76 :
Ramelteon RC 6 ;

(S)-N-(2-(5-Bromo-6-hydroxy-2,3-dihydro-1H-inden-1-yl)ethyl)propionamide ;
CAS:196597-84-9
RMT79 :
Ramelteon RC 9 ;

(S)-N-(2-(5-Bromo-6-methoxy-2,3-dihydro-1H-inden-1-yl)ethyl)propionamide ;
CAS:196597-83-8
RMT80 :
Ramelteon RC 10 ;

(S)-N-(2-(6-(Allyloxy)-5-bromo-2,3-dihydro-1H-inden-1-yl)ethyl)propionamide ;
CAS:196597-85-0
RMT77 :
Ramelteon RC 7 ;

(S)-N-(2-(6-(Benzyloxy)-5-bromo-7-(2-hydroxyethyl)-2,3-dihydro-1H-inden-1-yl)ethyl)propionamide ;
CAS:1246820-32-5
RMT78 :
Ramelteon RC 8 ;

(S)-N-(2-(6-Methoxy-2,3-dihydro-1H-inden-1-yl)ethyl)propionamide ;
CAS:178678-16-5
RMT84 :
Ramelteon RC 14 ;

(S)-N-(2-(7-Allyl-5-bromo-6-hydroxy-2,3-dihydro-1H-inden-1-yl)ethyl)propionamide ;
CAS:196597-86-1
RMT75 :
Ramelteon RC 5 ;

(S)-N-(2-(7-Allyl-6-(benzyloxy)-5-bromo-2,3-dihydro-1H-inden-1-yl)ethyl)propionamide ;
CAS:1246820-29-0
RMT71 :
Ramelteon RC 1 ;

(S)-N-(3-Amino-2-hydroxypropyl)-N-(3-fluoro-4-(4-morpholinylphenyl) acetamide ;
CAS:333753-69-8
LNZ81B :
Linezolid RC 21 (Base) ; Linezolid Descarbonyl N-Desacetyl N-Acetyl Impurity (Base) ;

(S)-N-(3-Amino-2-hydroxypropyl)-N-(3-fluoro-4-(4-morpholinylphenyl) acetamide hydrochloride ;
CAS:1391068-25-9
LNZ81H :
Linezolid RC 21 (HCl) ; Linezolid Descarbonyl N-Desacetyl N-Acetyl Impurity (HCl) ;

(S)-N-(3-Amino-2-hydroxypropyl)-N-(3-fluoro-4-(4-morpholinylphenyl) acetamide oxalate ;
LNZ81X :
Linezolid RC 21 (Oxalate) ; Linezolid Descarbonyl N-Desacetyl N-Acetyl Impurity (Oxalate Salt) ;

(S)-N-(4-(((2S,5R)-5-((R)-Hydroxy(phenyl)methyl)-1-nitrosopyrrolidin-2-yl)methyl)phenyl)-4-oxo-4,6,7,8-tetrahydropyrrolo[1,2-a]pyrimidine-6-carboxamide ;
VBG48 :
Vibegron N-Nitroso Impurity ;

(S)-N-(4-(((2S,5R)-5-((R)-Hydroxy(phenyl)methyl)pyrrolidin-2-yl)methyl)phenyl)-4-oxo-4,6,7,8-tetrahydropyrrolo[1,2-a]pyrimidine-6-carboxamide ;
CAS:1190389-15-1
VBG00 :
Vibegron ;

(S)-N-(4-Hydroxy-1-oxopentyl)-N-[[2-(1H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-valine ;
CAS:188259-69-0
VST50 :
Valsartan 4-Hydroxy Impurity ; Valsartan 4-Hydroxyvaleryl Analog ;

(S)-N-[[3-[3-Fluoro-4-(4-morpholinyl)phenyl]-2-oxo-5-oxazolidinyl] methyl] phthalimide ;
CAS:168828-89-5
LNZ76 :
Linezolid RC 16 ; Linezolid Desacetamide Phthalimide (S)-Isomer ; Linezolid Desacetamide Phthalimide ;

(S)-N-[2-[2,3-Dihydro-6-hydroxy-7-(2-hydroxyethyl)-1H-inden-1-yl]ethyl]propanamide ;
CAS:196597-88-3
RMT42 :
Ramelteon Diol Impurity ;

(S)-N-{(2R,4R,5S)-5-[2-(2,6-Dimethylphenoxy)acetamido]-4-hydroxy-1,6- diphenylhexan-2-yl}-3-methyl-2-[2-oxotetrahydropyrimidin-1(2H)-yl]butanamide ;
LPN13 :
Lopinavir EP Impurity M ; Lopinavir (2R,4R)-Diastereomer (USP) ;

(S)-N-{(2S,4R,5S)-5-[2-(2,6-Dimethylphenoxy)acetamido]-4-hydroxy-1,6-diphenylhexan-2-yl}-3-methyl-2-[2-oxotetrahydropyrimidin-1(2H)-yl]butanamide ;
CAS:1798014-18-2
LPN14 :
Lopinavir EP Impurity N ; Lopinavir (4R)-Epimer (USP) ; (2S,4R,5S)-Lopinavir ;

(S)-N-{[3-(3-Fluoro-4-morpholinophenyl)-2-oxooxazolidin-5-yl]methyl} thioacetamide ;
CAS:216868-57-4
LNZ22 :
Linezolid USP RC B ; ThioLinezolid ; N-Deacetyl Linezolid Thioacetamide ;

(S)-N-Benzyl-N-(2-chloroethyl)-1-phenoxypropan-2-amine ;
CAS:71799-90-1
PBZ62B :
Phenoxybenzamine (S)-Isomer ;

(S)-N-Benzyl-N-(2-chloroethyl)-1-phenoxypropan-2-amine hydrochloride ;
CAS:32378-29-3
PBZ62H :
Phenoxybenzamine (S)-Isomer (HCl) ;

(S)-N-Butyryl-N-([2'-(1H-tetrazole-5-yl)biphen-4-yl]methyl)-valine ;
CAS:952652-79-8
VST22 :
Valsartan USP RC B ; Valsartan EP Impurity C ; Valsartan N-Butyryl Analog ;

(S)-N-Methyl-4-nitro-N-(2-(5-((2-oxooxazolidin-4-yl)methyl)-1H-indol-3-yl)ethyl)benzenesulfonamide ;
CAS:1346602-02-5
ZMT58B :
Zolmitriptan Sulfonamide Impurity ;

(S)-N-Methyl-N-(1-phenylpropan-2-yl)prop-2-yn-1-amine ;
CAS:4528-51-2
SLG05B :
Selegiline EP Impurity E (Base) ; S-(+)-Deprenyl ;

(S)-N-Methyl-N-(1-phenylpropan-2-yl)prop-2-yn-1-amine hydrochloride ;
CAS:4528-52-3
SLG05H :
Selegiline EP Impurity E (HCl) ; S-(+)-Deprenyl Hydrochloride ;

(S)-N-tert-Butyl-2,3-bis(4-morpholino-1,2,5-thiadiazol-3-yloxy)propan-1-amine ;
CAS:1391068-18-0
TML58 :
Timolol Impurity 8 ;

(S)-N-Valeryl-N-([2'-(1H-tetrazole-5-yl)biphen-4-yl]methyl)-valine benzyl ester ;
CAS:137863-20-8
VST23 :
Valsartan USP RC C ; Valsartan EP Impurity B ; Valsartan Benzyl Ester ;

(S)-N-Valeryl-N-([2'-(1H-tetrazole-5-yl)biphen-5-yl]methyl)-valine methyl ester ;
CAS:137863-17-3
VST25 :
Valsartan USP RC E ; Valsartan Methyl Ester ;

(S)-N-Valeryl-N-([2'-(1H-tetrazole-5-yl)biphen-6-yl]methyl)-valine ethyl ester ;
CAS:1111177-30-0
VST32 :
Valsartan Ethyl Ester ;

(S)-N-Valeryl-N-([2'-(1H-tetrazole-5-yl)biphen-7-yl]methyl)-valine isopropyl ester ;
CAS:1245820-09-0
VST33 :
Valsartan Isopropyl Ester ;

(S)-N-Valeryl-N-([2'-(2-trityl-tetrazol-5-yl)biphenyl-4-yl]methyl)-valine benzyl ester ;
VST46 :
Valsartan Benzyl Ester N2-Trityl Analog ; N2-Trityl Valsartan Benzyl Ester

(S)-N-Valeryl-N-([2'-(2-trityl-tetrazol-5-yl)biphenyl-4-yl]methyl)-valine ethyl ester ;
VST45 :
Valsartan Ethyl Ester N2-Trityl Analog ; N2-Trityl Valsartan Ethyl Ester

(S)-N-Valeryl-N-([2'-(2-trityl-tetrazol-5-yl)biphenyl-4-yl]methyl)-valine methyl ester ;
CAS:883223-10-7
VST41 :
Valsartan Methyl Ester N2-Trityl Analog ; N2-Trityl Valsartan Methyl Ester

(S)-N-Valeryl-N-([2'-(2-trityl-tetrazol-5-yl)biphenyl-4-yl]methyl)valine ;
CAS:783369-52-8
VST42 :
Valsartan N2-Trityl Impurity ;

(S)-N1-Methyl-N2-((2-oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)phthalamide ;
CAS:2206360-74-7
RVR34 :
Rivaroxaban Methylaminocarbonyl Impurity ;

(S)-N2-(Methoxymethyl)-N6-propyl-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6-diamine ;
PMP62B :
Pramipexole N2-Methoxymethyl Impurity ;

(S)-N2-Methylene-N6-propyl-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6-diamine ;
PMP63B :
Pramipexole N2-Methylene Impurity ;

(S)-N6,N6-Dipropyl-4,5,6,7-tetrahydrobenzothiazole-2,6-diamine ;
CAS:1147937-31-2
PMP47B :
Pramipexole N6-Propyl Impurity ;

(S)-N6-Nitroso-N6-propyl-4,5,6,7-tetrahydrobenzo[d]thiazole-2,6-diamine ;
PMP48 :
Pramipexole N-Nitroso Impurity ;

(S)-Phenyl 1-phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate ;
CAS:1203447-95-3
SLF61 :
Solifenacin Impurity 1 ;

(S)-Pyrrolidine-2-carboxamide ; L-Prolinamide ;
CAS:7531-52-4
VDG63 :
Vildagliptin Impurity 3 ;

(S)-Quinuclidin-3-yl 2-benzoylphenethylcarbamate ;
SLF45B :
Solifenacin Benzoyl (S)-Quinuclidinyl Impurity ;

(S)-t-Butyl 3-(methylsulfonyloxy)piperidine-1-carboxylate ;
CAS:940890-90-4
IBT68 :
Ibrutinib Impurity 18 ;

(S)-tert-Butyl 2-{(S)-2-[(S)-1-ethoxy-1-oxo-4-phenylbutan-2-ylamino]propanoyl}-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate ;
CAS:103733-39-7
MXP23B :
Moexipril USP RC C (Base) ; Moexipril tert-Butyl Ester ;

(S)-tert-Butyl 2-{(S)-2-[(S)-1-ethoxy-1-oxo-4-phenylbutan-2-ylamino]propanoyl}-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylate maleate ;
CAS:103733-40-0
MXP23M :
Moexipril USP RC C (Maleate) ; Moexipril t-Butyl Ester Maleate ;

(S)-tert-Butyl 2-carbamoylpyrrolidine-1-carboxylate ;
CAS:35150-07-3
PBV53 :
Pibrentasvir Impurity 3 ;

(S)-tert-Butyl 3-((S)-2-((S)-1-(benzyloxy)-1-oxo-4-phenylbutan-2-ylamino)propanoyl)-1-methyl-2-oxoimidazolidine-4-carboxylate ;
CAS:89460-20-8
IMD51 :
Imidapril Benzyl Ester t-Butyl Ester ;

(S)-tert-Butyl 3-((S)-2-((S)-1-ethoxy-1-oxo-4-phenylbutan-2-ylamino)propanoyl)-1-methyl-2-oxoimidazolidine-4-carboxylate ;
CAS:89371-38-0
IMD53 :
Imidapril t-Butyl Ester ;

(S)-tert-Butyl 3-aminopiperidine-1-carboxylate ;
CAS:625471-18-3
LGT74 :
Linagliptin RC 4 ;

(S)-tert-Butyl 3-hydroxypiperidine-1-carboxylate ;
CAS:143900-44-1
IBT57 :
Ibrutinib Impurity 7 ;

(S)-tert-Butyl 4-(3-cyano-2-(4-phenoxyphenyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidin-7-yl)piperidine-1-carboxylate ;
CAS:2190506-56-8
ZNB69 :
Zanubrutinib RC 9 ;

(S)-tert-Butyl 4-(4-(4-(2-amino-3-methoxy-3-oxopropyl)phenoxy)butyl)piperidine-1-carboxylate ;
CAS:142373-57-7
TRF57 :
Tirofiban RC 7 ;

(S)-tert-Butyl 6-((1-(benzyloxy)-3-(3-(methylsulfonyl)phenyl)-1-oxopropan-2-yl)carbamoyl)-5,7-dichloro-3,4-dihydroisoquinoline-2(1H)-carboxylate ;
CAS:1194550-61-2
LGS66 :
Lifitegrast RC 6 ;

(S)-TERT-BUTYL 6-CHLORO-5-HYDROXY-3-OXOHEXANOATE
CAS:154026-92-3
RSVD8 :
Rosuvastatin Impurity 38 ;

(S,E)-1-(5-(Benzyloxy)-2-(oxiran-2-ylmethoxy)phenyl)-3-phenylprop-2-en-1-one ;
CAS:93885-31-5
PRP64 :
Propafenone RC 4 ;

(S,E)-2-(4-(2,4-Dichlorophenyl)-1,3-dithiolan-2-ylidene)-2-(1H-imidazol-1-yl)acetonitrile ;
CAS:256424-63-2
LZL53 :
Luliconazole (S,E)-Isomer ;

(S,E)-Ethyl 5-([1,1`-biphenyl]-4-yl)-4-((tert-butoxycarbonyl)amino)-2-methylpent-2-enoate ;
CAS:2131788-25-3
SCT93 :
Sacubitril RC 23 ;

(S,E)-methyl 2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(methylsulfonyloxy)propyl)benzoate ;
CAS:807638-71-7
MTL85 :
Montelukast Impurity 5 ;

(S,E)-Methyl 2-(3-(tert-butyldimethylsilyloxy)-3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)benzoate ;
CAS:1772578-77-4
MTL84 :
Montelukast Impurity 4 ;

(S,Z)-2-(4-(2,4-Dichlorophenyl)-1,3-dithiolan-2-ylidene)-2-(1H-imidazol-1-yl)acetonitrile ;
CAS:2522922-36-5
LZL54 :
Luliconazole (S,Z)-Isomer ;

(S,Z)-4-(3,4-Dichlorophenyl)-3,4-dihydronaphthalen-1(2H)-one oxime ;
CAS:152642-35-8
STL59 :
Sertraline Oxime ;

(S,Z)-Ethyl 3-(1-hydroxypropan-2-ylamino)-2-(2,3,4,5-tetrafluorobenzoyl)acrylate ;
CAS:110548-02-2
LFX84 :
Levofloxacin Impurity 24 ;

(S,Z)-Ethyl 3-(1-hydroxypropan-2-ylamino)-2-(2,3,4-trifluorobenzoyl)acrylate ;
CAS:601490-35-1
LFX87 :
Levofloxacin Impurity 27 ;

(S,Z)-Methyl 3-(1-hydroxypropan-2-ylamino)-2-(2,3,4,5-tetrafluorobenzoyl)acrylate ;
CAS:1213269-48-7
LFX85 :
Levofloxacin Impurity 25 ;

(Thiophen-3-yl)acetic acid ; 3-Thiopheneacetic acid ;
CAS:6964-21-2
TCC02 :
Ticarcillin EP Impurity B ;

(Trifluoromethoxy)benzene ;
CAS:456-55-3
PTD51 :
Pretomanid Impurity 1 ;

(Z)-((E)-4-(4-Methylpiperazin-1-yl)-2-thioxo-1,2-dihydrobenzo[b][1,4]diazepin-3-ylidene)methyl acetate ;
CAS:1320360-87-9
OLZ63 :
Olanzapine RC 3 ; Olanzapine Acetoxymethylidene ;

(Z)-(2,3-Difluorophenyl)(piperidin-4-yl)methanone oxime ;
PPD72 :
Paliperidone RC 12 ;

(Z)-(2,4-Difluorophenyl)(1-(3-fluoro-4-((E)-(hydroxyimino)(piperidin-4-yl)methyl)phenyl)piperidin-4-yl)methanone oxime ;
PPDD1 :
Paliperidone RC 41 ;

(Z)-(2,4-Difluorophenyl)(1-(5-fluoro-2-((Z)-(hydroxyimino)(piperidin-4-yl)methyl)phenyl)piperidin-4-yl)methanone oxime ;
PPDD4 :
Paliperidone RC 44 ;

(Z)-(2,4-Difluorophenyl)(piperidin-4-yl)methanone oxime ;
CAS:84163-46-2
ILP61B :
Iloperidone RC 1 (Base) ;

(Z)-(2,4-Difluorophenyl)(piperidin-4-yl)methanone oxime hydrochloride ;
CAS:135634-18-3
ILP61H :
Iloperidone RC 1 (HCl) ;

(Z)-(2,5-Difluorophenyl)(piperidin-4-yl)methanone oxime ;
PPDE5 :
Paliperidone RC 55 ;

(Z)-(2,6-Difluorophenyl)(piperidin-4-yl)methanone oxime ;
PPDD3 :
Paliperidone RC 43 ;

(Z)-(2,6-Difluorophenyl)(piperidin-4-yl)methanone oxime ;
CAS:691007-05-3
RSP71B :
Risperidone RC 1 ;

(Z)-(2-(4-((2,4-Difluorophenyl)(hydroxyimino)methyl)piperidin-1-yl)phenyl)(piperidin-4-yl)methanone ;
PPD87 :
Paliperidone RC 27 ;

(Z)-(3-Fluorophenyl)(piperidin-4-yl)methanone oxime ;
PPDE7 :
Paliperidone RC 57 ;

(Z)-(4-(4-((2,4-Difluorophenyl)(hydroxyimino)methyl)piperidin-1-yl)-2-fluorophenyl)(piperidin-4-yl)methanone ;
PPD88 :
Paliperidone RC 28 ;

(Z)-(4-Fluorophenyl)(piperidin-4-yl)methanone oxime ;
PPD69 :
Paliperidone RC 9 ;

(Z)-(Diazene-1,2-diylbis(2-(bromomethyl)-4,1-phenylene))diboronic acid ;
TVB65 :
Tavaborole Impurity 5 ;

(Z)-+¦-[[4-[2-(Dimethylamino)ethoxy]phenyl][4-(phenylmethoxy)phenyl]methylene]-benzenepropanol ;
CAS:176671-78-6
TMX74B :
Tamoxifen 4-Benzyloxy +¦-Hydroxy Impurity ;

(Z)-[5-Fluoro-2-methyl-1-[4-(methylsulfinyl)benzylidene]-1H-inden-3-yl]acetic acid ;
CAS:38194-50-2
SDC00 :
Sulindac ;

(Z)-[5-Fluoro-2-methyl-1-[4-(methylsulfonyl)-benzylidene]-1H-inden-3-yl]acetic acid ;
CAS:59973-80-7
SDC02 :
Sulindac EP Impurity B ; Sulindac USP RC B ; (Z)-Sulindac Sulfone ;

(Z)-[5-Fluoro-2-methyl-1-[4-methylsulfanyl)-benzylidene]-1H-inden-3-yl]acetic acid ;
CAS:49627-27-2
SDC03 :
Sulindac EP Impurity C ; Sulindac USP RC C ; Sulindac Sulfide ;

(Z)-1-((2-((4-(2-((Furan-2-ylmethyl)sulfinyl)acetamido)but-2-en-1-yl)oxy)pyridin-4-yl)methyl)piperidine 1-oxide ;
CAS:169899-18-7
LFT53 :
Lafutidine N-Oxide ;

(Z)-1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)ethanone O-2,4-dichlorobenzyl oxime ;
CAS:64211-45-6
OCZ00B :
Oxiconazole ;

(Z)-1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)ethanone O-2,4-dichlorobenzyl oxime nitrate ;
CAS:64211-46-7
OCZ00N :
Oxiconazole Nitrate ;

(Z)-1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)ethanone oxime ;
CAS:64211-06-9 (Z) 100220-48-2 (Z/E)
OCZ22 :
Oxiconazole USP RC B ;

(Z)-1-(2-((4-(((6-(Methoxycarbonyl)-2-oxoindolin-3-ylidene)(phenyl)methyl)amino)phenyl)(methyl)amino)-2-oxoethyl)-4-methylpiperazine 4-oxide ;
NTD56 :
Nintedanib N4-Oxide ;

(Z)-1-(3-Ethyl-4-(hydroxymethyl)phenyl)ethanone-O-(4-cyclohexyl-3-(trifluoromethyl)benzyl)oxime ;
CAS:1418144-67-8
SNM62 :
Siponimod RC 2 ;

(Z)-1-(4-Methoxystyryl)-3,5-dimethoxybenzene ;
CAS:94608-23-8
RVT65 :
Resveratrol Trimethyl Ether cis-Isomer ; Resveratrol Trimethoxy cis-Isomer ;

(Z)-1-(9-(4-Chlorobenzylidene)-2,7-dichloro-9H-fluoren-4-yl)-2-(butylamino)ethanol ;
CAS:355841-11-1
LFN50 :
Lumefantrine Desbutyl Impurity ;

(Z)-1-(Benzylideneamino)imidazolidine-2,4-dione ;
CAS:2827-57-8
HDT53 :
Hydantoin 1-Benzylideneamino ;

(Z)-1-Chloro-6,6-dimethylhept-2-en-4-yne ;
CAS:635708-74-6
TBN84 :
Terbinafine RC 24 ; Efavirenz RC 3 ;

(Z)-1-Ethylidene-6-methoxy-2,3-dihydro-1H-indene ;
CAS:468104-14-5
RMT88 :
Ramelteon RC 18 ;

(Z)-1-Propenylphosphonic acid (R)-(+)-+¦-methylbenzylamine salt ;
CAS:933443-26-6
FFM50M :
Fosfomycin Cis-Propenyl Phosphonic Acid Methylbenzylamine Salt ;

(Z)-1-Propenylphosphonic acid ;
CAS:25383-06-6
FFM50A :
Fosfomycin Cis-Propenyl Phosphonic Acid ;

(Z)-11-(3-(Dimethylamino)propylidene)-6,11-dihydrodibenzo[b,e]oxepine-2-acetaldehyde ;
CAS:1376615-97-2
OLP35B :
Olopatadine Acetaldehyde (Base) ;

(Z)-11-(3-(Dimethylamino)propylidene)-6,11-dihydrodibenzo[b,e]oxepine-2-carbaldehyde ;
CAS:2519517-77-0
OLP32B :
Olopatadine Carbaldehyde (Base) ; Olopatadine Aldehyde Impurity ;

(Z)-11-(3-(Dimethylamino)propylidene)-6,11-dihydrodibenzo[b,e]oxepine-2-carbaldehyde hydrochloride ;
CAS:2519517-78-1
OLP32H :
Olopatadine Carbaldehyde (HCl) ; Olopatadine Aldehyde Impurity (HCl) ;

(Z)-2-((2-(4-(1,2-Diphenylbut-1-enyl)phenoxy)ethyl)(methyl)amino)ethanol ;
CAS:77214-91-6
TMX63B :
Tamoxifen N-Hydroxyethyl Analog ;

(Z)-2-((6S,8S,9R,10S,11S,13S,14S,16R)-2-chloro-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-7,8,9,11,12,13,15,16-octahydro-3H-cyclopenta[a]phenanthren-17(6H,10H,14H)-ylidene)-2-hydroxyacetaldehyde ;
CAS:67212-85-5
HMT63 :
Halometasone RC 3 ;

(Z)-2-(1-(2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercaptopiperidin-3-ylidene)acetic acid ;
CAS:204204-73-9
PRS55 :
Prasugrel R-138727 Metabolite (Z)-Isomer ; (Z)-Prasugrel Thiol Analog ;

(Z)-2-(3-(2-(4-(6-Fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)-2-methyl-4-oxo-7,8-dihydro-4H-pyrido[1,2-a]pyrimidin-9(6H)-ylidene)acetic acid ;
RSP52 :
Risperidone Acetic Acid (Z)-Isomer ;

(Z)-2-(3-(Pyrrolidin-1-yl)-1-p-tolylprop-1-enyl)pyridine ;
CAS:13573-69-8
TDN50B :
Triprolidine (Z)-Isomer (Base) ; cis-Triprolidine ;

(Z)-2-(3-(Pyrrolidin-1-yl)-1-p-tolylprop-1-enyl)pyridine dihydrochloride ;
TDN50D :
Triprolidine (Z)-Isomer (2HCl) ; cis-Triprolidine Dihydrochloride ;

(Z)-2-(3-(Pyrrolidin-1-yl)-1-p-tolylprop-1-enyl)pyridine hydrochloride ;
CAS:51657-91-1
TDN50H :
Triprolidine (Z)-Isomer (HCl) ; cis-Triprolidine HCl ;

(Z)-2-(3-(Pyrrolidin-1-yl)-1-p-tolylprop-1-enyl)pyridine oxalate ;
CAS:14343-87-4
TDN50X :
Triprolidine (Z)-Isomer (Oxalate) ; cis-Triprolidine Oxalate ;

(Z)-2-(4-(1,2-Diphenylbuta-1,3-dienyl)phenoxy)ethanol ;
OPF54 :
Ospemifene Vinyl Impurity ;

(Z)-2-(4-(1-(4-(Benzyloxy)phenyl)-4-chloro-2-phenylbut-1-enyl)phenoxy)-N,N-dimethylethanamine ;
CAS:176671-79-7
TRM61 :
Toremifene 4-Benzyloxy ;

(Z)-2-(4-(1-(4-(Benzyloxy)phenyl)-4-chloro-2-phenylbut-1-enyl)phenoxy)-N-methylethanamine ;
CAS:741652-83-5
TRM62 :
Toremifene 4-Benzyloxy N-Desmethyl (Base) ;

(Z)-2-(4-(1-(4-(Benzyloxy)phenyl)-4-chloro-2-phenylbut-1-enyl)phenoxy)-N-methylethanamine hydrochloride ;
CAS:176671-80-0
TRM63 :
Toremifene 4-Benzyloxy N-Desmethyl (HCl) ;

(Z)-2-(4-(4-Bromo-1,2-diphenylbut-1-enyl)phenoxy)ethanol ;
OPF55 :
Ospemifene Bromo Impurity ;

(Z)-2-(4-(4-Chloro-1,2-diphenylbut-1-enyl)phenoxy)-N,N-dimethylethanamine ;
CAS:89778-26-7
TRM00B :
Toremifene (Base) ;

(Z)-2-(4-(4-Chloro-1,2-diphenylbut-1-enyl)phenoxy)-N-methylethanamine ;
CAS:110503-61-2
TRM68B :
Toremifene N-Desmethyl (Base) ;

(Z)-2-(4-(4-Chloro-1,2-diphenylbut-1-enyl)phenoxy)-N-methylethanamine hydrochloride ;
CAS:176671-73-1
TRM68H :
Toremifene N-Desmethyl (HCl) ;

(Z)-2-(Furan-2-ylmethylsulfinyl)-N-(4-hydroxybut-2-enyl)acetamide ;
CAS:169899-15-4
LFT61 :
Lafutidine RC 1 ;

(Z)-2-(Furan-2-ylmethylsulfonyl)-N-(4-(4-(piperidin-1-ylmethyl)pyridin-2-yloxy)but-2-enyl)acetamide ;
CAS:174583-84-7
LFT55 :
Lafutidine Sulfone ;

(Z)-2-[4-(1,2-Diphenyl-1-butenyl)phenoxy]-N,N-dimethylethanamine
CAS:10540-29-1
TMX00B :
Tamoxifen (Base) ;

(Z)-2-[4-(1,2-Diphenyl-1-butenyl)phenoxy]-N,N-dimethylethanamine N-Oxide; ;
CAS:75504-34-6
TMX50 :
Tamoxifen N-Oxide ;

(Z)-2-{11-[3-(Dimethylamino)propylidene]-6,11-dihydrodibenz[b,e]oxepin-2-yl}-2-hydroxyacetic acid ;
CAS:1331822-32-2
OLP21B :
Olopatadine USP RC A (Base) ; alpha-Hydroxy Olopatadine ;

(Z)-2-{11-[3-(Dimethylamino)propylidene]-6,11-dihydrodibenz[b,e]oxepin-2-yl}-2-hydroxyacetic acid formate salt ;
OLP21F :
Olopatadine USP RC A (Formate) ; alpha-Hydroxy Olopatadine Formate ;

(Z)-2-{11-[3-(Dimethylamino)propylidene]-6,11-dihydrodibenz[b,e]oxepin-2-yl}-2-hydroxyacetic acid hydrochloride ;
CAS:1331668-21-3
OLP21H :
Olopatadine USP RC A (HCl) ; alpha-Hydroxy Olopatadine HCl ;

(Z)-2-Cyano-3-hydroxy-N-(2-(trifluoromethyl)phenyl)but-2-enamide ;
TFM57 :
Teriflunomide 4-Trifluoromethyl Isomer ;

(Z)-2-Cyano-3-hydroxy-N-(3-(trifluoromethyl)phenyl)but-2-enamide ;
CAS:220512-86-7
TFM56 :
Teriflunomide 3-Trifluoromethyl Isomer ;

(Z)-2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)-N-((3S,4R,5R)-3,5,6-trihydroxy-2-oxo-4-((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-2-yloxy)hexyl)but-2-enamide ;
TFM59 :
Teriflunomide Lactose Adduct 2 ;

(Z)-2-Cyano-3-hydroxy-N-nitroso-N-(4-(trifluoromethyl)phenyl)but-2-enamide ;
TFM48 :
Teriflunomide N-Nitroso Impurity ;

(Z)-2-Cyano-N-((3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-2-yloxy)-tetrahydro-2H-pyran-2-yl)-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide ;
TFM58 :
Teriflunomide Lactose Adduct 1 ;

(Z)-3,9-Dimethyl-2,3-dihydrobenzo[f][1,4]oxazepine ;
CAS:284486-96-0
MLT61 :
Mexiletine RC 1 ;

(Z)-3-((3,5-Dimethyl-4-(pyrrolidine-1-carbonyl)-1H-pyrrol-2-yl)methylene)-5-fluoroindolin-2-one ;
CAS:2135339-43-2
SNT64 :
Sunitinib RC 4 ; Sunitinib Pyrrolidine Amide (USP) ;

(Z)-3-(2-(4-((2,3-Difluorophenyl)(hydroxyimino)methyl)piperidin-1-yl)ethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one ;
PPD89 :
Paliperidone RC 29 ;

(Z)-3-(2-(4-((2,4-Difluorophenyl)(hydroxyimino)methyl)piperidin-1-yl)ethyl)-2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-9-yl palmitate
PPD86 :
Paliperidone RC 26 ;

(Z)-3-(2-(4-((3-Fluorophenyl)(hydroxyimino)methyl)piperidin-1-yl)ethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one ;
PPDF9 :
Paliperidone RC 69 ;

(Z)-3-(2-(4-((4-Fluorophenyl)(hydroxyimino)methyl)piperidin-1-yl)ethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one) ;
PPDF8 :
Paliperidone RC 68 ;

(Z)-3-(3-(3,5-Bis(trifluoromethyl)phenyl)-1H-1,2,4-triazol-1-yl)-N'-(pyrazin-2-yl)acrylohydrazide ;
CAS:1393477-72-9
SXR00 :
Selinexor ;

(Z)-3-(3-(3,5-Bis(trifluoromethyl)phenyl)-1H-1,2,4-triazol-1-yl)acrylic acid ;
CAS:1388842-44-1
SXR51 :
Selinexor RC 1 ;

(Z)-3-(3-Methylpyridin-2-ylamino)-2-(1H-tetrazol-5-yl)acrylic acid ;
PML63 :
Pemirolast RC 3 ;

(Z)-3-(4-((1H-Imidazol-1-yl)methyl)phenyl)acrylic acid ;
CAS:143945-86-2
OZG50A :
Ozagrel (Z)-Isomer ;

(Z)-3-(4-Amino-3,5-dimethylphenyl)acrylonitrile ;
CAS:661489-22-1
RLP63B :
Rilpivirine RC 3 ;

(Z)-3-{2-(Carboxymethyl)dibenzo[b,e]oxepin-11(6H)-ylidene}-N,N-dimethyl propan-1-amine oxide ;
CAS:173174-07-7 (Z) 203188-31-2 (Z/E)
OLP22 :
Olopatadine USP RC B ; Olopatadine N-Oxide ;

(Z)-4-(((2S,4R)-1-([1,1`-Biphenyl]-4-yl)-5-ethoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobut-2-enoic acid ;
CAS:2751722-77-5
SCT57 :
Sacubitril Maleic Analog ; Sacubitril Maleicamide (USP) ;

(Z)-4-(1-(4-(2-(Methylamino)ethoxy)phenyl)-1-phenylbut-1-en-2-yl)phenol ;
CAS:170171-12-7
TMX58B :
Tamoxifen N-Desmethyl p-Hydroxy Impurity ;

(Z)-4-(2-(Dipropylamino)ethyl)-3-(hydroxyimino)indolin-2-one ;
CAS:2734474-99-6
RPN08 :
Ropinirole EP Impurity H ; 3-Hydroxyimino Ropinirole ;

(Z)-4-(4-(2-Hydroxyethoxy)phenyl)-3,4-diphenylbut-3-en-1-ol ;
OPF56 :
Ospemifene Hydroxy Impurity ;

(Z)-4-(4-(Piperidin-1-ylmethyl)pyridin-2-yloxy)but-2-en-1-amine ;
CAS:103922-84-5
LFT68 :
Lafutidine RC 8 ;

(Z)-4-(4-Chloro-1-(4-(2-(dimethylamino)ethoxy)phenyl)-1-phenylbut-1-en-2-yl)phenol ;
CAS:352233-94-4
TRM65 :
Toremifene 4'-Hydroxy ;

(Z)-4-(4-Chloro-1-(4-(2-(dimethylamino)ethoxy)phenyl)-2-phenylbut-1-enyl)phenol ;
CAS:110503-62-3
TRM64 :
Toremifene 4-Hydroxy ;

(Z)-4-(4-Chloro-1-(4-(2-hydroxyethoxy)phenyl)-1-phenylbut-1-en-2-yl)phenol ;
CAS:341525-22-2
OPF50 :
Ospemifene 4'-Hydroxy Impurity ;

(Z)-4-(4-Chloro-2-(4-methoxyphenyl)-1-(4-(2-(methylamino)ethoxy)phenyl)but-1-enyl)phenol ;
TRM67 :
Toremifene Hydroxymethoxy N-Desmethyl ;

(Z)-4-(Hydroxyimino)-1-phenyl-1,2-dihydroisoquinolin-3(4H)-one ;
CAS:90861-76-0
SLF72 :
Solifenacin Impurity 12 ;

(Z)-4-[3-[2-(Trifluoromethyl)-9H-thioxanthen-9-ylidene]propyl]-1-piperazineethanol ;
CAS:53772-82-0
FPX50B :
Flupentixol cis-Isomer (Base) ; (Z)-Flupentixol ;

(Z)-4-[3-[2-(Trifluoromethyl)-9H-thioxanthen-9-ylidene]propyl]-1-piperazineethanol dihydrochloride ;
CAS:51529-01-2
FPX50H :
Flupentixol cis-Isomer (2HCl) ; (Z)-Flupentixol Dihydrochloride ;

(Z)-4-[3-[2-(Trifluoromethyl)-9H-thioxanthen-9-ylidene]propyl]-1-piperazineethanol oxalate ;
FPX50X :
Flupentixol cis-Isomer (Oxalate) ; (Z)-Flupentixol Oxalate ;

(Z)-4-Amino-N,N'-bis(4-(trifluoromethyl)phenyl)benzamidine ;
TFM66 :
Teriflunomide RC 6 ;

(Z)-4-Aminobut-2-en-1-ol ;
CAS:41372-34-3
LFT66B :
Lafutidine RC 6 ;

(Z)-4-Chlorobut-2-en-1-amine ;
CAS:774474-50-9
LFT67B :
Lafutidine RC 7 (Base) ;

(Z)-4-Chlorobut-2-en-1-amine hydrochloride ;
CAS:7153-66-4
LFT67H :
Lafutidine RC 7 (HCl) ;

(Z)-4-Hydroxy-N'-[(5-nitrofuran-2-yl)methylidene]-benzohydrazide ;
NRX05 :
Nifuroxazide EP Impurity E ; Nifuroxazide cis-Isomer ;

(Z)-5,5GÇÖ-(Diazene-1,2-diyl)bis(benzo[c][1,2]oxaborol-1(3H)-ol) ;
TVB66 :
Tavaborole Impurity 6 ;

(Z)-5-((5-Fluoro-2-oxoindolin-3-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxamide ;
CAS:1186651-51-3
SNT44 :
Sunitinib Amide (USP) ;

(Z)-5-((5-Fluoro-2-oxoindolin-3-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid ;
CAS:356068-93-4
SNT65 :
Sunitinib RC 5 ;

(Z)-5-((5-Fluoro-2-oxoindolin-3-ylidene)methyl)-N-(2-hydroxyethyl)-2,4-dimethyl-1H-pyrrole-3-carboxamide ;
CAS:2170562-55-5
SNT63 :
Sunitinib RC 3 ;

(Z)-5-(4-(2-((6-(4-Methoxyphenoxy)pyrimidin-4-yl)(methyl)amino)ethoxy)benzylidene)thiazolidine-2,4-dione ;
CAS:607722-95-2
LBG53B :
Lobeglitazone RC 3 (Base) ;

(Z)-5-(4-Hydroxystyryl)benzene-1,3-diol ;
CAS:61434-67-1
RVT61 :
Resveratrol Cis-Isomer ;

(Z)-5-(5-(1,2-Dichlorovinyl)-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one ;
CAS:1446089-84-4
SDFA4 :
Sildenafil RC 14 ;

(Z)-5-{4-[2-(5-Ethyl-2-pyridinyl) ethoxy] benzylidene}-2,4-thiazolidinedione ;
CAS:136401-69-9 627502-58-3
PGT02 :
Pioglitazone EP Impurity B ; Pioglitazone USP RC B ; Pioglitazone Didehydro Impurity ;

(Z)-6,6-Dimethyl-N-(naphthalen-1-ylmethyl)hept-2-en-4-yn-1-amine ;
CAS:114311-72-7
TBN70 :
Terbinafine RC 10 ; N-Desmethyl cis-Terbinafine ;

(Z)-6-((2E,4E,6E)-3,7-Dimethylnona-2,4,6,8-tetraenylidene)-1,5,5-trimethylcyclohex-1-ene ;
CAS:1224-78-8
VTA02 :
Vitamin A EP Impurity B ; Anhydro Vitamin A ; all-trans-Anhydro Retinol ;

(Z)-6-(3-(4-Hydroxystyryl)-5-hydroxyphenoxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid ;
CAS:387372-23-8
RVT55 :
Resveratrol 3-O-B-D-Glucuronide cis-Isomer ;

(Z)-7-[4-(Trifluoromethyl)phenyl]-5,12-dioxa-2,6-diazatridec-6-enoic acid 9H-fluoren-9-ylmethyl ester ;
FVX55 :
Fluvoxamine N-Fmoc (Z)-Isomer ;

(Z)-Benzyl 4-((2-hydroxy-4-methoxyphenyl)(hydroxyimino)methyl)piperidine-1-carboxylate ;
CAS:84163-00-8
RSP92 :
Risperidone RC 22 ;

(Z)-Ethyl 2-amino-2-(hydroxyimino)acetate ;
CAS:144167-29-3
MND63 :
Metronidazole RC 3 ;

(Z)-Ethyl 3-((4-(N-methyl-2-(4-methylpiperazin-1-yl)acetamido)phenylamino)(phenyl)methylene)-2-oxoindoline-6-carboxylate ;
CAS:1139455-52-9
NTD54 :
Nintedanib Ethyl Ester ; Nintedanib Impurity D ;

(Z)-Ethyl 3-(dimethylamino)-2-(2,3,4,5-tetrafluorobenzoyl)acrylate ;
CAS:138998-47-7
LFX61 :
Levofloxacin Impurity 1 ;

(Z)-Ethyl 3-amino-N-cyano-3-oxopropanimidate ;
MNX62 :
Minoxidil RC 2 ;

(Z)-Isopropyl 3-(3-(3,5-bis(trifluoromethyl)phenyl)-1H-1,2,4-triazol-1-yl)acrylate ;
CAS:1333152-22-9
SXR52 :
Selinexor RC 2 ;

(Z)-Methyl 1-acetyl-3-((4-(N-methyl-2-(4-methylpiperazin-1-yl)acetamido)phenylamino)(phenyl) methylene)-2-oxoindoline-6-carboxylate ;
CAS:2130844-77-6
NTD69 :
Nintedanib RC 9 ; Nintedanib N1-Acetyl Impurity ;

(Z)-Methyl 2-(3-(4-(methylsulfonyl)benzylidene)-6-fluoro-2-methyl-3H-inden-1-yl)acetate ;
CAS:141741-24-4
SDC61 :
Sulindac Sulfone Methyl Ester ;

(Z)-Methyl 2-(3-(4-(methylthio)benzylidene)-6-fluoro-2-methyl-3H-inden-1-yl)acetate ;
CAS:106647-49-8
SDC51 :
Sulindac Sulfide Methyl Ester ;

(Z)-Methyl 2-(3-nitrobenzylidene)-3-oxobutanoate ;
CAS:119128-13-1
MDP53 :
Manidipine Benzylidene Impurity ;

(Z)-Methyl 3-((4-(2-(4-(2-((4-((Z)-(6-(methoxycarbonyl)-2-oxoindolin-3-ylidene)(phenyl)methylamino) phenyl)(methyl)amino)-2-oxoethyl)piperazin-1-yl)-N-methylacetamido)phenylamino)(phenyl)methylene)-2-oxoindoline-6-carboxylate ;
CAS:2410284-90-9
NTD55 :
Nintedanib Dimer ; Nintedanib Impurity E ;

(Z)-Methyl 3-((4-(2-(4-ethylpiperazin-1-yl)-N-methylacetamido)phenylamino)(phenyl)methylene)-2-oxoindoline-6-carboxylate ;
NTD52 :
Nintedanib N-Ethyl Analog ; Nintedanib Impurity B ;

(Z)-Methyl 3-((4-(2-(4-methylpiperazin-1-yl)acetamido)phenylamino)(phenyl)methylene)-2-oxoindoline-5-carboxylate ;
NTD64 :
Nintedanib RC 4 ; N-Desmethyl Nintedanib 5-Methoxycarbonyl Analog ;

(Z)-Methyl 3-((4-(2-(4-methylpiperazin-1-yl)acetamido)phenylamino)(phenyl)methylene)-2-oxoindoline-6-carboxylate ;
CAS:894783-61-0
NTD63 :
Nintedanib RC 3 ; N-Desmethyl Nintedanib ;

(Z)-Methyl 3-((4-(2-(4-methylpiperazin-1-yl)acetamido)phenylamino)(phenyl)methylene)-2-oxoindoline-7-carboxylate ;
NTD65 :
Nintedanib RC 5 ;

(Z)-Methyl 3-((4-(methylamino)phenylamino)(phenyl)methylene)-2-oxoindoline-6-carboxylate ;
CAS:1987887-92-2
NTD66 :
Nintedanib RC 6 ;

(Z)-Methyl 3-((4-(N-methylacetamido)phenylamino)(phenyl)methylene)-2-oxoindoline-6-carboxylate ;
CAS:1139458-48-2
NTD61 :
Nintedanib RC 1 ; Nintedanib N-Acetyl Analog ;

(Z)-Methyl 3-((4-hydroxyphenylamino)(phenyl)methylene)-2-oxoindoline-6-carboxylate ;
CAS:2519501-85-8
NTD53 :
Nintedanib 4-Hydroxyphenyl Analog ; Nintedanib Impurity C ;

(Z)-Methyl 3-((methyl(4-(N-methyl-2-(4-methylpiperazin-1-yl)acetamido)phenyl)amino)(phenyl) methylene)-2-oxoindoline-6-carboxylate ;
NTD68 :
Nintedanib RC 8 ; N-Methyl Nintedanib ;

(Z)-Methyl 3-(hydroxy(phenyl)methylene)-2-oxoindoline-6-carboxylate ;
CAS:2093243-16-2
NTD76 :
Nintedanib RC 16 ;

(Z)-N'-(Amino(pyridin-4-yl)methylene)isonicotinohydrazide ;
CAS:445218-61-1
TPX57 :
Topiroxostat Impurity 7 ;

(Z)-N-((2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)-tetrahydrofuran-2-yl)-N'-(2-oxoethyl)formamidine ;
CAS:38934-69-9
RBV65 :
Ribavirin RC 5 ;

(Z)-N-(2-((5-((Dimethylamino)methyl)furan-2-yl)methylthio)ethyl)-1-(methylthio)-2-nitroethenamine ;
CAS:72115-14-1
RNT64 :
Ranitidine RC 4 ;

(Z)-N-(2-((5-((Dimethylamino)methyl)furan-2-yl)methylthio)ethyl)-N-methyl-2-nitroethene-1,1-diamine ;
CAS:667463-27-6
RNT66 :
Ranitidine RC 6 ; cis-Ranitidine ;

(Z)-N-(2-(Diethylamino)ethyl)-5-((5-fluoro-2-oxoindolin-3-ylidene)methyl)-2-(hydroxymethyl)-4-methyl-1H-pyrrole-3-carboxamide ;
SNT68 :
Sunitinib RC 8 ; Sunitinib Alcohol Impurity ;

(Z)-N-(2-(Diethylamino)ethyl)-5-((5-fluoro-2-oxoindolin-3-ylidene)methyl)-2-formyl-4-methyl-1H-pyrrole-3-carboxamide ;
SNT67 :
Sunitinib RC 7 ;

(Z)-N-(2-(Diethylamino)ethyl)-5-((5-fluoro-2-oxoindolin-3-ylidene)methyl)-N,2,4-trimethyl-1H-pyrrole-3-carboxamide ;
CAS:2411816-48-1
SNT51 :
Sunitnib N-Methyl Impurity ;

(Z)-N-(4-(4-(Piperidin-1-ylmethyl)pyridin-2-yloxy)but-2-enyl)acetamide ;
CAS:154923-16-7
LFT65B :
Lafutidine RC 5 ;

(Z)-N-(4-(N-Methyl-2-(4-methylpiperazin-1-yl)acetamido)phenyl)-3-((4-(N-methyl-2-(4-methylpiperazin-1-yl)acetamido)phenylamino)(phenyl)methylene)-2-oxoindoline-6-carboxamide ;
NTD62 :
Nintedanib RC 2 ;

(Z)-N-(4-Chlorobut-2-enyl)-2-(furan-2-ylmethylsulfinyl)acetamide ;
CAS:169899-17-6
LFT63 :
Lafutidine RC 3 ;

(Z)-N-(4-Trifluoromethylphenyl)-2-cyano-3-hydroxycrotonamide ;
CAS:163451-81-8
TFM00 :
Teriflunomide ; Leflunomide EP Impurity B ; Leflunomide USP RC B ;

(Z)-N-(4-Trifluoromethylphenyl)-2-cyano-3-hydroxycrotonamide ;
CAS:163451-81-8
LFM02 :
Leflunomide EP Impurity B ; Leflunomide USP RC B ; Teriflunomide ;

(Z)-N-Methyl-N-(3-phenyl-2-propen-1-yl)-1-naphthalenemethanamine ;
CAS:65473-08-7
NTF50 :
Naftifine (Z)-Isomer ;

(Z)-N1-Methyl-N2-(4-(4-(piperidin-1-ylmethyl)pyridin-2-yloxy)but-2-enyl)phthalamide ;
CAS:1339863-11-4
LFT64B :
Lafutidine RC 4 ;

(Z)-Phenyl(piperidin-4-yl)methanone oxime ;
PPDE8 :
Paliperidone RC 58 ;

(Z)-tert-Butyl 3-(2-formylphenyl)acrylate ;
LCD64 :
Lacidipine RC 4 ;

(Z/E)-(17+¦)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one oxime ;
CAS:53016-31-2
NRG00 :
Norelgestromin ; 17-Desacetyl Norgestimate ;

(Z/E)-2-(1-(2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl)-4-mercaptopiperidin-3-ylidene)acetic acid ;
CAS:204204-98-8
PRS57 :
Prasugrel R-138727 Metabolite (Mixture of Diastereoisomers) ; (Z/E)-Prasugrel Thiol Analog ;

(Z/E)-4-[3-[2-(Trifluoromethyl)-9H-thioxanthen-9-ylidene]propyl]-1-piperazineethanol dihydrochloride ;
CAS:2413-38-9
FPX00H :
Flupentixol Dihydrochloride ; (E/Z)-Flupentixol 2HCl ;

(Z/E)-7-[4-(Trifluoromethyl)phenyl]-5,12-dioxa-2,6-diazatridec-6-enoic acid 9H-fluoren-9-ylmethyl ester ;
CAS:1246833-32-8
FVX56 :
Fluvoxamine N-Fmoc Racemate ;

(Z/E)-N-(4-Trifluoromethylphenyl)-2-cyano-3-hydroxycrotonamide ;
CAS:108605-62-5
TFM60 :
Teriflunomide (Z/E)-Mixture ;

+¦,+¦GÇÖ-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;
CAS:118457-14-0 99200-09-6
NBV00B :
Nebivolol (Base) ;

+¦,+¦GÇÖ-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] HCl ;
CAS:169293-50-9 152520-56-4
NBV00H :
Nebivolol (HCl) ;

+¦-Cyano-N-[2-(3,4-dimethoxyphenyl)ethyl]-3,4-dimethoxy-N-methyl-+¦-(1-methylethyl)-N-[2-[(methylsulfonyl)thio]ethyl]benzenebutanaminium bromide ;
CAS:353270-25-4
VRP50 :
Verapamil Ethyl Methanethiosulfonate ;

+¦-Cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazole-1-propanenitrile ;
CAS:941688-05-7
RLT50B :
Ruxolitinib Racemate (Base) ;

+¦-Cyclopentyl-4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazole-1-propanenitrile phosphate salt ;
RLT50P :
Ruxolitinib Racemate (Phosphate Salt) ;

+¦-D-Fructopyranose 1-Sulfamate ;
CAS:106881-42-9
TPM68 :
Topiramate Impurity 8 ; Di-Desisopropylidene Topiramate ;

+¦-D-Glucopyranuronic acid 1-[N-[2-[4-[[2-(2-Amino-4-thiazolyl)acetyl]amino]phenyl]ethyl]-N-(2-oxo-2-phenylethyl)carbamate] ;
CAS:1365244-66-1
MRB82B :
Mirabegron M12 ; 2-Oxo Mirabegron N-Carbamoylglucuronide ;

+¦-Methyl-4-(2-methylpropyl)-benzeneacetic acid 1,1'-[oxybis(2,1-ethanediyloxy-2,1-ethanediyl)] ester ;
CAS:1161014-75-0
IBP67 :
Ibuprofen Impurity 7 ;

+¦-Methyl-4-[(2-oxocyclopentyl)methyl]benzeneacetic acid ;
CAS:68767-14-6
LXP00A :
Loxoprofen (Acid) ;

+¦-Methyl-4-[(2-oxocyclopentyl)methyl]benzeneacetic acid sodium salt ;
CAS:80382-23-6
LXP00N :
Loxoprofen (Sodium) ;

+¦-Methylenebenzeneacetic acid (1+¦,2+¦,4+¦,5+¦,7+¦)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]non-7-yl ester ;
CAS:535-26-2
HSN02B :
Hyoscine EP Impurity B (Base) ; Hyoscine HBr EP Impurity C ; Anhydro Hyoscine ; Apohyoscine ; Aposcopolamine ;

+¦-Methylenebenzeneacetic acid (1+¦,2+¦,4+¦,5+¦,7+¦)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]non-7-yl ester HCl ;
CAS:890416-03-2
HSN02H :
Hyoscine EP Impurity B (HCl) ; Hyoscine HBr EP Impurity C (HCl) ; Anhydro Hyoscine HBr ; Apohyoscine HCl ; Aposcopolamine HCl ;

+¦-Phenyl-+¦-propoxybenzeneacetic acid 1-methyl-1-oxido-4-piperidinyl ester ;
CAS:111071-96-6
PPV55B :
Propiverine N-Oxide ;

+¦-Phenyl-+¦-propoxybenzeneacetic acid 1-methyl-1-oxido-4-piperidinyl ester HCl ;
CAS:1329509-71-8
PPV55H :
Propiverine N-Oxide HCl ;

+¦1-[[(1,1-Dimethylethyl)amino]methyl]-4-hydroxy-1,3-benzenedimethanol ;
CAS:18559-94-9
SAB00B :
Salbutamol (EP) ; Albuterol (USP) ;

+¦1-[[(1,1-Dimethylethyl)amino]methyl]-4-hydroxy-1,3-benzenedimethanol HCl ;
CAS:51293-66-4
SAB00H :
Salbutamol HCl ; Albuterol HCl ;

+¦1-[[(1,1-Dimethylethyl)amino]methyl]-4-hydroxy-1,3-benzenedimethanol sulfate ;
CAS:51022-70-9
SAB00S :
Salbutamol Sulfate (EP) ; Albuterol Sulfate (USP) ;

[(1,2-Dihydro-5,6,17,19,21-pentahydroxy-23- methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-2,7-(epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan-9-yl)oxy]acetic acid 21-acetate ;
CAS:13929-35-6
RMC01 :
Rifamycin EP Impurity A ; Rifamycin B ; Rifaximin EP Impurity B ;

[(1,2-Dihydro-5,6,17,19,21-pentahydroxy-23- methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-2,7-(epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan-9-yl)oxy]acetic acid 21-acetate ;
CAS:13929-35-6
RFX02 :
Rifaximin EP Impurity B ; Rifamycin B ; Rifamycin EP Impurity A ; 4-O-Carboxymethyl Rifamycin ;

[(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)(methyl)amino] methanesulfonic acid magnesium complex ;
CAS:63372-86-1
MMZ00M :
Metamizole Magnesium ; Dipyrone Magnesium ; Methapyrone Magnesium ; Magnalgin ;

[(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-nitrosoamino]methanesulfonic acid ;
MMZ55A :
Metamizole EP Impurity E N-Nitroso Analog (Acid) ; N-Nitroso Metamizole EP Impurity E ; N-Desmethyl N-Nitroso Metamizole ; N-Nitroso Melaminsulfone ;

[(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-nitrosoamino]methanesulfonic acid sodium salt ;
MMZ55N :
Metamizole EP Impurity E N-Nitroso Sodium Salt ; N-Nitroso Metamizole EP Impurity E Sodium Salt ; N-Desmethyl N-Nitroso Metamizole Sodium ; N-Nitroso Melaminsulfone Sodium ;

[(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino]methanesulfonic acid ;
CAS:117-38-4
MMZ05A :
Metamizole EP Impurity E (Acid) ; N-Desmethyl Metamizole ; Melaminsulfone ;

[(1aS,8R,8aR,8bS)-8a-Hydroxy-6-methoxy-1,5-dimethyl-4,7-dioxo-1,1a,2,4,7,8,8a,8b-octahydroazirino[2GÇ¦,3GÇ¦:3,4]pyrrolo[1,2-a]indol-8-yl] methyl carbamate ;
CAS:4055-40-7
MTM03 :
Mitomycin EP Impurity C ; Mitomycin B ;

[(1aS,8S,8aR,8bS)-6,8a-Dimethoxy-5-methyl-4,7-dioxo-1,1a,2,4,7,8,8a,8b-octahydroazirino[2GÇ¦,3GÇ¦:3,4]pyrrolo[1,2-a]-indol-8-yl]methyl carbamate ;
CAS:4055-39-4
MTM02 :
Mitomycin EP Impurity B ; Mitomycin A ; Mitomycin 6-Methoxy Analog ;

[(1aS,8S,8aR,8bS)-6-Amino-8a-methoxy-5-methyl-4,7-dioxo-1,1a,2,4,7,8,8a,8b-octahydroazirino[2GÇ¦,3GÇ¦:3,4]pyrrolo[1,2-a]-indol-8-yl] methyl carbamate ;
CAS:50-07-7
MTM00 :
Mitomycin ; Mitomycin C ;

[(1R,4S)-7,7-Dimethyl-2-oxobicyclo[2.2.1]hept-1-yl]methanesulfonic acid ; (-)-10-Camphorsulfonic acid ; (R)-Camphor-10-sulfonic Acid ; L-(-) -Camphor-10-sulfonic Acid ; L-10-Camphorsulfonic Acid ;
CAS:35963-20-3
VRC55 :
Voriconazole EP Impurity E (1R)-Isomer ;

[(1RS,4SR)-7,7-Dimethyl-2-oxobicyclo[2.2.1]hept-1-yl]methanesulfonic acid ;
CAS:5872-08-2
VRC05 :
Voriconazole EP Impurity E ; Voriconazole USP RC F ; (+/-)-10-Camphorsulfonic acid ;

[(1S,2S,4S,5R,6S,6aR,10aS,11S)-8-Amino-5-methoxy-9-methyl-7,10-dioxo-2,3,6,6a,7,10-hexahydro-1,2,5-metheno-1H,5H-imidazo[2,1-i]indol-6-yl] methyl carbamate ;
CAS:111750-67-5
MTM04 :
Mitomycin EP Impurity D ; Albomitomycin C ;

[(2,6-Dichlorophenyl)acetyl]guanidine hydrochloride ;
CAS:29110-48-3
GFC00H :
Guanfacine HCl ;

[(2R)-1-[4-(2-Methoxyethyl)phenoxy]-3-[(1-methylethyl)-amino]propan-2-ol ;
CAS:81024-43-3
MTP30 :
Metoprolol R-Isomer ; (R)-(+)-Metoprolol ;

[(2R,3R,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-4-fluoro-3-hydroxy-4-methyl-tetrahydrofuran-2-yl]methanol ;
CAS:863329-66-2
SFS07 :
Sofosbuvir IP Impurity D ; Sofosbuvir Desphosphate Impurity ; 5-Fluorouridine ; Sofosbuvir Metabolite GS331007 ;

[(2R,3R,4R,5S)-5-(2,4-dioxopyrimidin-1-yl)-4-fluoro-3-hydroxy-4-methyl-tetrahydrofuran-2-yl]methanol ;
SFS42 :
Sofosbuvir Desphosphate alpha-Isomer ;

[(2R,3S)-3-Methyloxiranyl]phosphonic acid ;
CAS:23155-02-4
FFM00A :
Fosfomycin (Acid) ;

[(2R,3S)-3-Methyloxiranyl]phosphonic acid calcium salt ;
CAS:26016-98-8
FFM00C :
Fosfomycin (Calcium) ;

[(2R,3S)-3-Methyloxiranyl]phosphonic acid compound with 2-amino-2-(hydroxymethyl)-1,3-propanediol ;
CAS:78964-85-9
FFM00T :
Fosfomycin (Trometamol) ; Fosfomycin Tromethamine ;

[(2R,3S)-3-Methyloxiranyl]phosphonic acid disodium salt ;
CAS:26016-99-9
FFM00N :
Fosfomycin (Disodium) ;

[(2R,3S,4R,5R)-3,4-Dihydroxy-5-[4-(hydroxyamino)-2-oxoprimidin-1(2H)-yl]tetrahydrofuran-2-yl]methyl butyrate ;
MNP59 :
Molnupiravir IP Impurity I ; Molnupiravir Butyrate Analog ;

[(2R,3S,4S)-5-(7,8-Dimethyl-2,4-dioxobenzo[g]pteridin-10-yl)-3,4-dihydroxy-1-phosphonooxypentan-2-yl] dihydrogen phosphate ;
CAS:86108-25-0
RBF43A :
Riboflavin Sodium Phosphate EP Impurity C ; Riboflavin 4,5-Diphosphate ;

[(2R,4R)-4-[4-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)-1-piperazinyl]-2-pyrrolidinyl]-3-thiazolidinylmethanone ;
CAS:1404559-17-6
TGT51 :
Teneligliptin (2R,4R)-Isomer ; Teneligliptin Enantiomer ;

[(2R,4S)-4-[4-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)-1-piperazinyl]-2-pyrrolidinyl]-3-thiazolidinylmethanone ;
TGT52 :
Teneligliptin (2R,4S)-Isomer ;

[(2RS)-1-[4-(2-Methoxyethyl)phenoxy]-3-[(1-methylethyl)-amino]propan-2-ol ;
CAS:51384-51-1 37350-58-6
MTP00B :
Metoprolol (Base) ;

[(2RS)-1-Ethylpyrrolidin-2-yl]methanamine ;
CAS:26116-12-1
SPD01 :
Sulpiride EP Impurity A ; Amisulpride EP Impurity A ; Amisulpride USP RC A ;

[(2RS)-Oxiran-2-yl]methanol ;
CAS:556-52-5
LDZ03 :
Levodropropizine EP Impurity C ; Glycidol ;

[(2RS,4SR)-2-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl-methyl)-1,3-dioxolan- 4-yl]methyl 4-methylbenzenesulfonate ;
CAS:134071-44-6
KCZ05 :
Ketoconazole EP Impurity E ;

[(2S)-1-[4-(2-Methoxyethyl)phenoxy]-3-[(1-methylethyl)-amino]propan-2-ol ;
CAS:81024-42-2
MTP31 :
Metoprolol S-Isomer ; (S)-(-)-Metoprolol ;

[(2S,3E,5E,7E,9S,11R,13R,14R,15E,17R,20S,21R)-14,20-Dihydroxy-22-[(1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-2,13-dimethoxy-3,9,11,15,17,21-hexamethyl-12,18-dioxo-3,5,7,15-docosatetraen-1-yl]tetrahydro-2-hydroxy-3-methyl-2H-pyran-2-yl]-2-oxo
CAS:185107-79-3
RPM34 :
Rapamycin Open-Ring Acid ; 34-Hydroxy Sirolimus ; Seco Rapamycin B ;

[(2S,3S,4R)-1-(7,8-Dimethyl-2,4-dioxobenzo[g]pteridin-10-yl)-2,4-dihydroxy-5-phosphonooxypentan-3-yl] dihydrogen phosphate ;
CAS:86108-26-1
RBF42A :
Riboflavin Sodium Phosphate EP Impurity B ; Riboflavin 3,5-Diphosphate ;

[(2S,3S,4R)-1-(7,8-Dimethyl-2,4-dioxobenzo[g]pteridin-10-yl)-2,4-dihydroxy-5-phosphonooxypentan-3-yl] dihydrogen phosphate ammonium salt ;
RBF42N :
Riboflavin Sodium Phosphate EP Impurity B (Ammonium Salt) ; Riboflavin 3,5-Diphosphate (Ammonium Salt) ;

[(2S,3S,4R)-1-(7,8-Dimethyl-2,4-dioxobenzo[g]pteridin-10-yl)-2,5-dihydroxy-4-phosphonooxypentan-3-yl] dihydrogen phosphate ;
CAS:86108-27-2
RBF41A :
Riboflavin Sodium Phosphate EP Impurity A ; Riboflavin 3,4-Diphosphate ;

[(2S,3S,4S,5R,6R)-6-[2-[[6-(4-Bromo-2-chloroanilino)-7-fluoro-3-methylbenzimidazole-5-carbonyl]amino]oxyethoxy]-3,4,5-trihydroxyoxane-2-carbonyl]oxysodium ;
SLM50 :
Selumetinib Glucuronide ;

[(2S,4R)-4-[4-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)-1-piperazinyl]-2-pyrrolidinyl]-3-thiazolidinylmethanone ;
CAS:1404559-15-4
TGT53 :
Teneligliptin (2S,4R)-Isomer ;

[(2S,4S)-4-[4-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)-1-piperazinyl]-2-pyrrolidinyl]-3-thiazolidinylmethanone ;
CAS:760937-92-6
TGT00B :
Teneligliptin ; (2S,4S)-Teneligliptin ;

[(2S,4S)-4-[4-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)-1-piperazinyl]-2-pyrrolidinyl]-3-thiazolidinylmethanone HBr ;
CAS:906093-29-6
TGT00H :
Teneligliptin HBr ; (2S,4S)-Teneligliptin HBr ;

[(2S,4S)-4-[4-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)-1-piperazinyl]-2-pyrrolidinyl]-3-thiazolidinylmethanone sulfoxide ;
TGT55B :
Teneligliptin Sulfoxide ;

[(3-exo)-8-Methyl-8-azabicyclo[3.2.1]oct-3-yl]thio]acetic Acid ;
CAS:224452-66-8
RTP00 :
Retapamulin ;

[(3RS,6RSand3R,6S-Meso)-2,5-Dihydroxy-2,5-dioxo-3,6-bis[(pyridin-3-yl)methyl]-1,4,2++5,5++5-dioxadiphosphinane-3,6-diyl]bis(phosphonic acid) disodium salt ;
CAS:1486466-30-1
RDN01N :
Risedronate EP Impurity A (Disodium Salt) ; Risedronate USP RC B ;

[(3RS,6RSand3R,6S-Meso)-2,5-Dihydroxy-2,5-dioxo-3,6-bis[(pyridin-3-yl)methyl]-1,4,2++5,5++5-dioxadiphosphinane-3,6-diyl]bis(phosphonic acid) disodium salt tetrahydrate ;
CAS:2922985-14-4
RDN01T :
Risedronate EP Impurity A (Disodium Tetrahydrate) ; Risedronate USP RC B ;

[(3S,4R)-1-Benzyl-4-(4-fluorophenyl)piperidin-3-yl]methanol ;
CAS:201855-60-9
PRX08B :
Paroxetine HCl Hemihydrate EP Impurity H (Base) ; Paroxetine HCl Anhydrous EP Impurity H ; N-Benzyl Paroxol ;

[(3S,4R)-1-Benzyl-4-(4-fluorophenyl)piperidin-3-yl]methanol HCl ;
CAS:503834-41-1
PRX08H :
Paroxetine HCl Hemihydrate EP Impurity H (HCl) ; Paroxetine HCl Anhydrous EP Impurity H (HCl) ; N-Benzyl Paroxol HCl ;

[(4-Aminophenyl)sulfonyl]guanidine ;
CAS:57-67-0
SDZ03A :
Sulfadiazine EP Impurity C (Anhydrous) ; Sulfadiazine BP Impurity C ; Sulfaguanidine ;

[(4-Aminophenyl)sulfonyl]guanidine monohydrate ;
CAS:6190-55-2
SDZ03H :
Sulfadiazine EP Impurity C (Monohydrate) ; Sulfadiazine BP Impurity C ; Sulfaguanidine ;

[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-26-[(Z)-(4-Cyclopentyl-4-oxo-1,4?5-diazinan-1-yl)iminomethyl]-2,15,17,27,29-pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]tri
RFT52 :
Rifapentine N-Oxide ; 3-[[(4-Cyclopentyl-1-piperazinyl)imino] methyl]rifamycin N-Oxide ;

[(RS)-[(1SR)-2-Methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphoryl]acetic acid ;
CAS:123599-78-0
FSN09 :
Fosinopril EP Impurity I ;

[[(1R)-2-(6-Amino-9H-purin-9-yl)-1-methylethoxy]methyl]monophenylester ;
CAS:379270-35-6
TNF53 :
Tenofovir Monophenyl Ester ; Monophenyl PMPA ;

[[(2R)-Aminophenylacetyl]amino][(4S)-4-[[[[[(2S,5R)-3,3-dimethyl-4,4,7-trioxo-4.6-thia-1-azabicyclo[3.2.0]-hept-2-yl]carbonyl]oxy]methoxy]carbonyl]-5,5-dimethylthiazolidin-2-yl]acetic acid ;
STM04 :
Sultamicillin EP Impurity D ; Penicilloic Acids of Sultamicillin ;

[[(2RS)-2-[(Acetylsulfanyl)methyl]-3-phenylpropanoyl]-amino]acetic acid ;
CAS:124735-06-4
RCT03 :
Racecadotril EP Impurity C ; Hemiacetorphan ;

[[(2RS)-2-Benzyl-3-sulfanylpropanoyl]amino]acetic acid ;
CAS:76721-89-6
RCT02 :
Racecadotril EP Impurity B ; Thiorphan ;

[[6+¦,9-Difluoro-11+¦-hydroxy-16+¦-methyl-3-oxo-17-(propanoyloxy) androsta-1,4-dien-17+¦-yl]carbonyl]sulphenic acid ;
CAS:948566-12-9
FLT02 :
Fluticasone Propionate EP Impurity B ; Fluticasone USP RC A ; Fluticasone Sulfenic Acid Propionate ;

[1,2,4]Triazolo[4,3-a]pyridin-3(2H)-one ;
CAS:6969-71-7
TZD11B :
Trazodone EP Impurity K (Base) ; Trazodone Triazolopyridinone (USP) ; Trazodone USP Impurity A ;

[1,3-Dichloro-6-(trifluoromethyl)phenanthren-9-yl]methanol ;
CAS:38492-81-8
HFT03 :
Halofantrine EP Impurity C ;

[1,4GÇÖ-Bipiperidine]-1GÇÖ-carboxylic acid (4S)-4,11-diethyl-3,4,12,14- tetrahydro-4-hydroxy-3,14-dioxo-1H-pyrano[3GÇÖ,4GÇÖ:6,7]indolizino[1,2-b]quinolin-9-yl ester ;
CAS:97682-44-5
ITC00B :
Irinotecan (Base) ;

[1-(2-aminoethyl)cyclohexyl]acetic acid ;
CAS:1500558-49-5
GBP07B :
Gabapentin EP Impurity G (Base) ;

[1-(2-aminoethyl)cyclohexyl]acetic acid HCl ;
CAS:1864053-94-0
GBP07H :
Gabapentin EP Impurity G (HCl) ;

[1-(2-Deoxy-beta-D-ribofuranosyl)]thymine ;
CAS:50-89-5
STV03 :
Stavudine EP Impurity C ; Zidovudine EP Impurity E ; Zidovudine USP RC D ; Thymidine ;

[1-(2-Deoxy-beta-D-ribofuranosyl)]thymine ;
CAS:50-89-5
ZDV05 :
Zidovudine EP Impurity E ; Zidovudine USP RC D ; Stavudine EP Impurity C ; Thymidine ;

[1-(3,4-Dichlorobenzoyl)-5-methoxy-2-methyl-1H-indol-3-yl]acetic acid ;
CAS:402849-26-7
IDM07 :
Indomethacin EP Impurity G ; Indomethacin 3,4-DiChloro Analog ;

[1-(3-Chlorobenzoyl)-5-methoxy-2-methyl-1H-indol-3-yl]acetic acid ;
IDM04 :
Indomethacin EP Impurity D ; Indomethacin 2-Chloro Analog ; 4-Dechloro-2-Chloroindomethacin ;

[1-[[[(1R)-1-[3-[(E)-2-(7-Chloroquinolin-2-yl) ethenyl] phenyl]-3-[2-(1,2-dihydroxy propan- 2-yl)phenyl] propyl] sulfanyl] methyl] cyclopropyl] acetic acid ;
CAS:186352-97-6
MTL42 :
Montelukast 1,2-Diol ;

[1-[[[(1R)-1-[3-[(E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(prop-1-en-2- yl)phenyl]propyl] sulfanyl]methyl]cyclopropyl]acetic acid ;
CAS:918972-54-0
MTL02 :
Montelukast EP Impurity B ; Montelukast USP RC F ; Montelukast Methylstyrene ; Montelukast Styrene Impurity ;

[1-[[[(1R)-1-[3-[(Z)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxy propan- 2-yl)phenyl]propyl]sulfanyl]methyl]cyclopropyl]acetic acid ;
CAS:774538-96-4
MTL07 :
Montelukast EP Impurity G ; Montelukast USP RC B ; Montelukast cis-Isomer ;

[1-[[[(1R)-3-(2-Acetylphenyl)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]propyl]sulfanyl] methyl]cyclopropyl]acetic acid
CAS:937275-23-5
MTL06 :
Montelukast EP Impurity F ; Montelukast USP RC E ; Montelukast Methylketone ;

[1-[4-[4-(1,1-Dimethylethyl)phenyl]but-3-enyl]piperidin-4-yl]diphenylmethanol ;
CAS:104953-06-2
TFN07 :
Terfenadine EP Impurity G ;

[1-[4-[4-(1,1-Dimethylethyl)phenyl]butyl]-piperidin-4-yl]diphenylmethanol ;
CAS:147158-67-6
TFN08 :
Terfenadine EP Impurity H ;

[1-Hydroxy-2-(3-pyridinyl)ethylidene]bisphosphonic acid ;
CAS:105462-24-6
RDN00A:
Risedronic Acid ;

[1-Hydroxy-2-(3-pyridinyl)ethylidene]bisphosphonic acid monosodium salt ;
CAS:115436-72-1
RDN00N:
Risedronate Sodium ; Risedronic Acid Sodium Salt ;

[1-Hydroxy-2-(3-pyridinyl)ethylidene]bisphosphonic acid monosodium salt hemipentahydrate ;
CAS:329003-65-8
RDN00X:
Risedronate Sodium (Hemipentahydrate) ; Risedronic Acid Sodium Salt Hemipentahydrate ;

[1-Hydroxy-2-(pyridin-2-yl)ethylidene]bis(phosphonic acid) ;
CAS:1220806-40-5
RDN02X :
Risedronate EP Impurity B (Acid Monohydrate) ; Risedronate USP RC A ;

[1-Hydroxy-2-(pyridin-2-yl)ethylidene]bis(phosphonic acid) ;
CAS:105462-23-5
RDN02A :
Risedronate EP Impurity B (Acid) ; Risedronate USP RC A ;

[1-Hydroxy-2-(pyridin-2-yl)ethylidene]bis(phosphonic acid) monosodium salt ;
RDN02N :
Risedronate EP Impurity B (Sodium) ; Risedronate USP RC A ;

[1-Hydroxy-2-(pyridin-4-yl)ethylidene]bis(phosphonic acid) ;
CAS:105462-25-7
RDN03A :
Risedronate EP Impurity C (Acid) ;

[1-Hydroxy-2-(pyridin-4-yl)ethylidene]bis(phosphonic acid) monosodium salt ;
RDN03N :
Risedronate EP Impurity C (Sodium) ;

[1-Hydroxy-3-(methylpentylamino)propylidene]bisphosphonic acid ;
CAS:114084-78-5
IBD00A :
Ibandronic Acid ;

[1-Hydroxy-3-(methylpentylamino)propylidene]bisphosphonic acid sodium salt ;
CAS:138844-81-2
IBD00X :
Ibandronate (Sodium Anhydrous) ;

[1-Hydroxy-3-(methylpentylamino)propylidene]bisphosphonic acid sodium salt monohydrate ;
CAS:138926-19-9
IBD00N :
Ibandronate (Sodium Monohydrate) ;

[1-Hydroxy-3-(methylpentylamino)propylidene]bisphosphonic acid tetramethyl ester ;
CAS:1076199-42-2
IBD54 :
Ibandronate Tetramethyl Ester ;

[1aR-(1a+¦,2+¦,3a+¦,5+¦,5a+¦,5b+¦)]-5b-[(Benzoyloxy)methyl]tetrahydro-5-hydroxy-2-methyl-2,5-methano-1H-3,4-dioxacyclobuta[cd]pentalen-1a(2H)-yl +¦-D-Glucopyranoside ;
CAS:23180-57-6
PFR00 :
Paeoniflorin ;

[1aR-(1a+¦,2+¦,3a+¦,5+¦,5a+¦,5b+¦)]-5b-[(Benzoyloxy)methyl]tetrahydro-5-hydroxy-2-methyl-2,5-methano-1H-3,4-dioxacyclobuta[cd]pentalen-1a(2H)-yl, 6-benzoate +¦-D-Glucopyranoside ;
CAS:38642-49-8
PFR50 :
Paeoniflorin Benzoyl Impurity ;

[1S-[1+¦,3+¦,4+¦,6+¦,7+¦,8+¦(2S*,4S*),8a+¦]]-Butanoic Acid 2,2-Dimethyl-1,2,3,4,6,7,8,8a- octahydro-4,6-dihydroxy-3,7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl) ethyl]-1-naphthalenyl ester ;
CAS:198818-02-9
SVS42 :
Simvastatin Dihydro Diol Impurity ; 3',5'-Dihydro Diol Simvastatin ;

[2,8-Bis(trifluoromethyl)quinolin-4-yl](pyridin-2-yl)methanone ;
CAS:35853-55-5
MFQ01B :
Mefloquine EP Impurity A ;

[2-(4-Hydroxyphenyl)-6-methoxybenzo[b]thien-3-yl][4-[2-(1-piperidinyl)ethoxy] phenyl]methanone ;
CAS:178451-13-3
RLX56 :
Raloxifene 6-Methoxy Analog ;

[2-(4-Sulphamoylphenyl) ethyl] 5-methyl-pyrazine-2-carboxamide ;
CAS:33288-71-0
GLP01B :
Glipizide EP Impurity A ; Glipizide USP RC A ; Glipizide BP Impurity A ;

[2-(Pyridin-3-yl)ethylidene]bis(phosphonic acid) ; [2-(3-Pyridinyl)ethylidene-1,1]bis(phosphonic acid) ;
CAS:75755-10-1
RDN05 :
Risedronate EP Impurity E ; Risedronate USP RC C ; Deoxy Risedronic Acid ;

[2-[(2RS)-4-Benzyl-2-phenylpiperazin-1-yl]phenyl]methanol ;
CAS:157994-98-4
MSR04 :
Mianserin EP Impurity D ;

[2-[(2RS)-4-Methyl-2-phenylpiperazin-1-yl]phenyl]methanol ;
CAS:57321-32-1
MSR01 :
Mianserin EP Impurity A ;

[2-[(5-Nitro-1,3-thiazol-2-yl)carbamoyl]phenyl]ethanoate ;
CAS:55981-09-4
NTZ00 :
Nitazoxanide ;

[2-[[[2-[2-Amino-3-hydroxy-2-(hydroxymethyl)propoxy]-1-hydroxypropyl] hydroxyphosphoryl]oxy]-1-hydroxypropyl]phosphonic acid ;
CAS:1262243-12-8
FFM04A :
Fosfomycin EP Impurity D ; Trometamoyloxy Fosfomycin Dimer ;

[2-[2-(3-Ethyl-4-methyl-2-oxo-3-pyrroline-1-carboxamido) ethyl] phenyl] sulfonamide ;
CAS:2366968-78-5
GLM42 :
Glimepiride Sulfonamide ortho-Isomer ;

[2-[2-Amino-3-hydroxy-2-(hydroxymethyl)propoxy]-1-hydroxypropyl] phosphonic acid ;
CAS:1262243-11-7
FFM02A :
Fosfomycin EP Impurity B ;

[2-[4-(Aminosulfonyl)phenyl]ethyl]carbamic acid ethyl ester ;
CAS:192118-08-4
GLP06 :
Glipizide EP Impurity F ; Glipizide BP Impurity F ;

[2-[4-Methyl-2-phenylpiperazin-1-yl]pyridin-3-yl]methanol ; 2-(4-Methyl-2-phenyl-1-piperazinyl)-3-pyridine-methanol ;
CAS:61337-89-1
MTZ02 :
Mirtazapine EP Impurity B ;

[2-Amino-6-[(phenylmethyl)amino]-3-pyridinyl]carbamic acid ethyl ester ;
CAS:736866-91-4
FPT51B :
Flupirtine Desfluoro Impurity (Base) ;

[2-Amino-6-[(phenylmethyl)amino]-3-pyridinyl]carbamic acid ethyl ester HCl ;
CAS:21630-56-8
FPT51H :
Flupirtine Desfluoro Impurity (HCl) ;

[2R-(2+¦,3+¦,6+¦)]-3-Azido-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid 5,5-dioxide diphenylmethyl ester ;
CAS:104862-31-9
TZB62 :
Tazobactam RC 2 ;

[2R-[2+¦,2(S*),3+¦,6+¦[2S*,3E,5E,7E,9S*,11R*,13R*,14R*,15E,17R*,19E/Z,21R*,22(1S*,3R*,4R*)]]]-1-[Oxo[tetrahydro-2-hydroxy-6-[14-hydroxy-22-(4-hydroxy-3-methoxycyclohexyl)-2,13-dimethoxy-3,9,11,15,17,21-hexamethyl-12,18-dioxo-3,5,7,15,19-docosa
CAS:147438-27-5
RPM35A :
Rapamycin Open-Ring Anhydro Acid ; Secorapamycin ;

[2R-[2+¦,2(S*),3+¦,6+¦[2S*,3E,5E,7E,9S*,11R*,13R*,14R*,15E,17R*,19E/Z,21R*,22(1S*,3R*,4R*)]]]-1-[Oxo[tetrahydro-2-hydroxy-6-[14-hydroxy-22-(4-hydroxy-3-methoxycyclohexyl)-2,13-dimethoxy-3,9,11,15,17,21-hexamethyl-12,18-dioxo-3,5,7,15,19-docosa
CAS:148554-65-8
RPM35N :
Rapamycin Open-Ring Anhydro Acid Sodium Salt ; Secorapamycin Sodium ;

[3-(10,11-Dihydro-5H-dibenzo[a,d][7]annulen-5-ylidene)propyl]dimethylamine oxide ;
CAS:4317-14-0
NTL10B :
Nortriptyline EP Impurity J (Base) ; Amitriptyline N-Oxide ;

[3-(10,11-Dihydro-5H-dibenzo[a,d][7]annulen-5-ylidene)propyl]dimethylamine oxide HCl ;
CAS:4290-60-2
NTL10H :
Nortriptyline EP Impurity J (HCl) ; Amitriptyline N-Oxide HCl ;

[3-(2-Aminoethyl)-1H-indol-5-yl]-N-methylmethanesulphonamide;
CAS:88919-22-6
SMT05 :
Sumatriptan EP Impurity E ; N,N-DiDesmethyl Sumatriptan ;

[3-[[(2R,3S)-2-[(1R)-1-[3,5-bis(Trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-morpholinyl]methyl]-2,5-dihydro-5-oxo-1H-1,2,4-triazol-1-yl]-phosphonic acid bis(phenylmethyl) ester ;
CAS:265121-01-5
FSP62 :
Fosaprepitant Dibenzyl Ester ;

[3-[[(2R,3S)-2-[(1R)-1-[3,5-Bis(Trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-morpholinyl]methyl]-2,5-dihydro-5-oxo-1H-1,2,4-triazol-1-yl]-phosphonic acid mono(phenylmethyl) ester ;
CAS:889852-02-2
FSP61 :
Fosaprepitant Monobenzyl Ester ;

[3-[[2-Methoxy-4-[[[(2-methylphenyl)sulfonyl]amino]carbonyl]phenyl]methyl]-1-methyl-1H-indol-5-yl]carbamic acid 3-hydroxycyclopentyl ester ;
CAS:219582-85-1
ZFL76 :
Zafirlukast M6 Metabolite ;

[3-[[2-Methoxy-4-[[[(2-methylphenyl)sulfonyl]amino]carbonyl]phenyl]methyl]-1-methyl-1H-indol-5-yl]carbamic acid cyclopentyl ester ;
CAS:107753-78-6
ZFL00 :
Zafirlukast ;

[3-[2-(Dimethylamino)ethyl]-1-(hydroxymethyl)-1H-indol-5-yl]-N-methyl methanesulphonamide ;
CAS:1797905-62-4
SMT03 :
Sumatriptan EP Impurity C ; Sumatriptan USP RC C ; N-Hydroxymethyl Sumatriptan ;

[3-[2-(Dimethylamino)ethyl]-1-[[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl]methyl]-1H-indol-5-yl]-N-methylmethanesulphonamide.;
CAS:1391052-59-7
SMT08 :
Sumatriptan EP Impurity H ; Sumatriptan C,N-Dimer ;

[3-[2-(Dimethylamino)ethyl]-2-[[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl] methyl]-1H-indol-5-yl]-N-methylmethanesulphonamide ;
CAS:545338-89-4
SMT01B :
Sumatriptan EP Impurity A (Base) ; Sumatriptan USP RC A ;

[3-[2-(Dimethylamino)ethyl]-2-[[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl] methyl]-1H-indol-5-yl]-N-methylmethanesulphonamide succinate salt ;
SMT01S :
Sumatriptan EP Impurity A (Succinate) ; Sumatriptan USP RC A ;

[3-{[(2R,3R)-2-[(1R)-1-[3,5-bis(Trifluoromethyl)phenyl] ethoxy]-3-(4-fluoro phenyl)morpholin-4-yl]methyl}-5-oxo- 2H-1,2,4-triazol-1-yl]phosphonic acid ;
CAS:1523569-90-5
FSP45A :
Fosaprepitant (R,R,R)-Isomer (Acid) ; (1'R,2R,3R)-Desfluoro Fosaprepitant ;

[3-{[(2R,3R)-2-[(1R)-1-[3,5-bis(Trifluoromethyl)phenyl] ethoxy]-3-(4-fluoro phenyl)morpholin-4-yl]methyl}-5-oxo- 2H-1,2,4-triazol-1-yl]phosphonic acid dimeglumine salt ;
FSP45M :
Fosaprepitant (R,R,R)-Isomer (Dimeglumine) ; (1'R,2R,3R)-Defluoro Fosaprepitant Dimeglumine ;

[3-{[(2R,3S)-2-[(1R)-1-[3,5-bis(Trifluoromethyl)phenyl] ethoxy]-3-(4-fluoro phenyl)morpholin-4-yl]methyl}-5-oxo- 2H-1,2,4-triazol-1-yl]phosphonic acid ;
CAS:172673-20-0
FSP00A :
Fosaprepitant (Acid) ; Fosaprepitant Acid ; (1'R,2R,3S)-Fosaprepitant ;

[3-{[(2R,3S)-2-[(1R)-1-[3,5-bis(Trifluoromethyl)phenyl] ethoxy]-3-phenyl morpholin-4-yl]methyl}-5-oxo- 2H-1,2,4-triazol-1-yl]phosphonic acid ;
FSP55A :
Fosaprepitant Impurity E ; Fosaprepitant Desfluoro Impurity ;

[3-{[(2R,3S)-2-[(1R)-1-[3,5-bis(Trifluoromethyl)phenyl]ethoxy]-3-(4-fluoro phenyl)morpholin-4-yl]methyl}-5-oxo- 2H-1,2,4-triazol-1-yl]phosphonic acid dimeglumine salt ;
CAS:265121-04-8
FSP00M :
Fosaprepitant (Dimeglumine) ; (1'R,2R,3S)-Fosaprepitant Dimeglumine ;

[3-{[(2R,3S)-2-[(1S)-1-[3,5-bis(Trifluoromethyl)phenyl] ethoxy]-3-(4-fluoro phenyl)morpholin-4-yl]methyl}-5-oxo- 2H-1,2,4-triazol-1-yl]phosphonic acid ;
FSP54A :
Fosaprepitant Impurity D ; (1'S,2R,3S)-Fosaprepitant ;

[3-{[(2S,3R)-2-[(1S)-1-[3,5-bis(Trifluoromethyl)phenyl] ethoxy]-3-(4-fluoro phenyl)morpholin-4-yl]methyl}-5-oxo- 2H-1,2,4-triazol-1-yl]phosphonic acid ;
CAS:1523569-86-9
FSP44A :
Fosaprepitant Enantiomer (Acid) ; ent-Fosaprepitant ; (1'S,2S,3R)-Fosaprepitant ;

[3-{[(2S,3R)-2-[(1S)-1-[3,5-bis(Trifluoromethyl)phenyl] ethoxy]-3-(4-fluoro phenyl)morpholin-4-yl]methyl}-5-oxo- 2H-1,2,4-triazol-1-yl]phosphonic acid dimeglumine salt ;
CAS:1523569-87-0
FSP44M :
Fosaprepitant Enantiomer (Dimeglumine) ; ent-Fosaprepitant Dimeglumine ; (1'S,2S,3R)-Fosaprepitant Dimeglumine ;

[3-Ethoxy-4-(ethoxycarbonyl)phenyl]acetic acid ;
CAS:99469-99-5
RPG02 :
Repaglinide EP Impurity B ; Repaglinide USP RC B ;

[3R-[3R*(1R*,3R*,4R*),4E,6S*,7S*,10R*,11E,14S*,16S*,17R*,18S*,20R*,21R*,28aS*]]-7,8,10,13,14,15,16,17,18,19,20,21,26,27,28,28a-Hexadecahydro-7,21-dihydroxy-3-(4-hydroxy-3-methoxycyclohexyl)-16,18-dimethoxy-4,6,12,14,20-pentamethyl-10-(2-pro
CAS:131944-48-4
TCL62 :
Tacrolimus Rearrangement Lactone ;

[3S-[2[R*(R*)],3R*]]-2-[2-[(1-Carboxy-3-phenylpropyl)amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid ;
CAS:82768-85-2
QPR03 :
Quinapril EP Impurity C ; Quinapril USP RC B ; Quinapril Diacid ; Quinaprilat ;

[3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid ethyl ester ;
CAS:103733-35-3
QPR34B :
Quinapril Ethyl Ethyl Di-Ester (Base) ;

[3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid ethyl ester maleate ;
CAS:103733-36-4
QPR34M :
Quinapril Ethyl Ethyl Di-Ester (Maleate) ;

[3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid isopropyl ester ;
QPR35 :
Quinapril Ethyl Isopropyl Di-Ester ;

[3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid methyl ester ;
QPR36 :
Quinapril Ethyl Methyl Di-Ester ;

[3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Isopropyloxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid isopropyl ester ;
QPR45 :
Quinapril Isopropyl Isopropyl Di-Ester ;

[3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid methyl ester ;
QPR46 :
Quinapril Methyl Methyl Di-Ester ;

[3S-[3R*[1R*,2R*,4(1S*,3S*,4S*)],6S*,10R*,12R*,13R*,14R*,16S*,17S*,24aR*]]-6,9, 10,11,12,13,14,15,16,17,22,23,24,24a-Tetradecahydro-17-hydroxy-3-[2-hydroxy-4-(4-hydroxy-3-methoxycyclohexyl)-1,3-dimethyl-3-butenyl]-12,14-dimethoxy-8,10,16-t
CAS:134590-88-8
TCL43 :
Tacrolimus Lactone Isomer ; Iso-Tacrolimus ; Iso-FK-506 ;

[3S-[3R*[E(1S*,3S*,4S*)],4S*,5R*,8S*,9E,12R*,14R*,15S*,16R*,18S*,19S*,25aR*]]- 3,4,5,6,8,11,12,13,14,15,16,17,18,19,23,24,25,25a-Octadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,10,12,18-t
CAS:123719-19-7
TCL53 :
Tacrolimus Desketo Impurity ; 9-Norketo Tacrolimus ;

[4-(1,1-Dimethylethyl)-2,6-dimethylphenyl]acetic acid ;
CAS:854646-92-7
XMZ06 :
Xylometazoline EP Impurity F ;

[4-(1,1-Dimethylethyl)-2,6-dimethylphenyl]acetonitrile ;
CAS:84803-57-6
XMZ03 :
Xylometazoline EP Impurity C ;

[4-(4-Aminophenoxy)(2-pyridyl)]-N-methylcarboxamide ;
CAS:284462-37-9
SRF01 :
Sorafenib EP Impurity A ; Sorafenib Aminophenoxy Impurity ;

[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]acetic acid ;
CAS:67-30-1
LTN04 :
Liothyronine EP Impurity D ; Tetraiodothyroacetic Acid ; Levothyroxine EP Impurity D ; Levothyroxine T4-Acetic Acid (USP) ;

[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]acetic acid ; 2-(4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)acetic acid ;
CAS:67-30-1
LTX04 :
Levothyroxine EP Impurity D ; Levothyroxine T4-Acetic Acid (USP) ; Levothyroxine USP Impurity F ; Tetraiodothyroacetic acid ; Liothyronine EP Impurity D ;

[4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodophenyl]acetic acid ;
CAS:51-24-1
LTN03 :
Liothyronine EP Impurity C ; Triiodothyroacetic Acid ; Levothyroxine EP Impurity C ; Levothyroxine T3-Acetic Acid (USP) ;

[4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodophenyl]acetic acid ;
CAS:51-24-1
LTX03 :
Levothyroxine EP Impurity C ; Triiodothyroacetic acid ; Levothyroxine T3-Acetic Acid (USP) ; Levothyroxine USP Impurity C ; Liothyronine EP Impurity C ;

[4-[[(4-Fluorophenyl)methyl]amino]-2-(+¦-D-glucopyranosylamino)phenyl]-carbamic acid ethyl ester ;
CAS:229970-69-8
RGB52 :
Retigabine N-+¦-D-Glucoside ;

[4-[2-(3-Ethyl-4-methyl-2-oxo-3-pyrroline-1-carboxamido) ethyl] phenyl] sulfonamide ;
CAS:119018-29-0
GLM02 :
Glimepiride EP Impurity B ; Glimepiride USP RC B ; Glimepiride BP Impurity B ; Glimepiride Sulfonamide ;

[4-Hydroxy-2-(4-hydroxyphenyl)benzo[b]thien-3-yl][4-[2-(1-piperidinyl)ethoxy]phenyl]-methanone ;
CAS:185416-01-7
RLX52 :
Raloxifene 4-Hydroxy Analog ;

[4S-(4+¦,4a+¦,5a+¦,12a+¦)]-4-(Dimethylamino)-7-(ethylmethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,10,12,12a-tetrahydroxy-1,11-dioxo-2-naphthacenecarboxamide ;
CAS:32598-29-1
MNC72B :
Minocycline 7-Ethyl Analog (Base) ; 7-Ethylmethylamino Sancycline ;

[4S-(4+¦,4a+¦,5a+¦,12a+¦)]-4-(Dimethylamino)-7-(ethylmethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,10,12,12a-tetrahydroxy-1,11-dioxo-2-naphthacenecarboxamide ;
CAS:32598-29-1
SCC51B :
Sancycline 7-Ethylmethylamino Impurity (Base) ;

[4S-(4+¦,4a+¦,5a+¦,12a+¦)]-4-(Dimethylamino)-7-(ethylmethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,10,12,12a-tetrahydroxy-1,11-dioxo-2-naphthacenecarboxamide HCl ;
CAS:149934-25-8
MNC72H :
Minocycline 7-Ethyl Analog (HCl) ; 7-Ethylmethylamino Sancycline HCl ;

[4S-(4+¦,4a+¦,5a+¦,12a+¦)]-4-(Dimethylamino)-7-(ethylmethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,10,12,12a-tetrahydroxy-1,11-dioxo-2-naphthacenecarboxamide HCl ;
CAS:149934-25-8
SCC51H :
Sancycline 7-Ethylmethylamino Impurity (HCl) ;

[5-[(Dimethylamino)methyl]furan-2-yl]methanol ;
CAS:15433-79-1
RNT06B :
Ranitidine EP Impurity F (Base) ;

[5-[(Dimethylamino)methyl]furan-2-yl]methanol HCl ;
CAS:81074-81-9
RNT06H :
Ranitidine EP Impurity F (HCl) ;

[5-[2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl]-6,7-dihydro-4H-thieno[4,5-c]pyridin-2-yl] acetate ;
CAS:150322-43-3
PRS00B :
Prasugrel (Base) ;

[5-[2-Cyclopropyl-1-(2-fluorophenyl)-2-oxoethyl]-6,7-dihydro-4H-thieno[4,5-c]pyridin-2-yl] acetate hydrochloride ;
CAS:389574-19-0
PRS00H :
Prasugrel (HCl) ; Prasugrel Hydrochloride ;

[5-[2-Cyclopropyl-1-(3-fluorophenyl)-2-oxoethyl]-6,7-dihydro-4H-thieno[4,5-c]pyridin-2-yl] acetate ;
CAS:1391194-39-0
PRS02B :
Prasugrel EP Impurity B (Base) ; Prasugrel meta-Fluoro Isomer ;

[5-[2-Cyclopropyl-1-(3-fluorophenyl)-2-oxoethyl]-6,7-dihydro-4H-thieno[4,5-c]pyridin-2-yl] acetate HCl ;
CAS:1391052-75-7
PRS02H :
Prasugrel EP Impurity B (HCl) ; Prasugrel HCl meta-Fluoro Isomer ;

[5-[2-Cyclopropyl-1-(4-fluorophenyl)-2-oxoethyl]-6,7-dihydro-4H-thieno[4,5-c]pyridin-2-yl] acetate ;
CAS:1391194-50-5
PRS03B :
Prasugrel EP Impurity C (Base) ; Prasugrel para-Fluoro Isomer ;4-Fluoro Prasugrel (USP) ;

[5-[2-Cyclopropyl-1-(4-fluorophenyl)-2-oxoethyl]-6,7-dihydro-4H-thieno[4,5-c]pyridin-2-yl] acetate HCl ;
CAS:1391053-98-7
PRS03H :
Prasugrel EP Impurity C (HCl) ; Prasugrel HCl para-Fluoro Isomer ;

[5-[2-Cyclopropyl-1-phenyl-2-oxoethyl]-6,7-dihydro-4H-thieno[4,5-c]pyridin-2-yl] acetate ;
CAS:1391194-45-8
PRS01B :
Prasugrel EP Impurity A (Base) ; Desfluoro Prasugrel ;

[5-[2-Cyclopropyl-1-phenyl-2-oxoethyl]-6,7-dihydro-4H-thieno[4,5-c]pyridin-2-yl] acetate HCl ;
CAS:1391053-53-4
PRS01H :
Prasugrel EP Impurity A (HCl) ; Desfluoro Prasugrel HCl ;

[6,6GÇÖ-Dihydroxy-2,2GÇÖ-bis(4-hydroxyphenyl)[7,7GÇÖ-bibenzo[b]thiophene]-3,3GÇÖ-diyl]bis[[4-[2-(1-piperidinyl)ethoxy]phenyl]methanone ;
CAS:618902-12-8
RLX44 :
Raloxifene Dimer Impurity ;

[6-[(Methylsulfonyl)oxy]-2-[4-[(methylsulfonyl)oxy]phenyl]benzo[b]thien-3-yl][4-[2-(1-piperidinyl)ethoxy]phenyl]methanone Hydrochloride ;
CAS:84449-85-4
RLX60H :
Raloxifene Dimesylate HCl ;

[6-Hydroxy-2-(4-hydroxyphenyl)benzo[b]thien-3-yl][4-[2-(1-piperidinyl) ethoxy]phenyl]methanone ;
CAS:84449-90-1
RLX00B :
Raloxifene (Base) ;

[6-Hydroxy-2-(4-hydroxyphenyl)benzo[b]thien-3-yl][4-[2-(1-piperidinyl) ethoxy]phenyl]methanone HCl ;
CAS:82640-04-8
RLX00H :
Raloxifene (HCl) ;

[6-Hydroxy-2-(4-hydroxyphenyl)benzo[b]thien-3-yl][4-[2-(1-piperidinyl) ethoxy]phenyl]methanone N-oxide ;
CAS:195454-31-0
RLX03 :
Raloxifene EP Impurity C ; Raloxifene USP RC C ; Raloxifene N-Oxide ;

[6-Hydroxy-2-(4-methoxyphenyl)benzo[b]thien-3-yl][4-[2-(1-piperidinyl)ethoxy] phenyl] methanone ;
CAS:185415-07-0
RLX53 :
Raloxifene p-Methoxy Analog ;

[6-Methoxy-2-(4-methoxyphenyl)benzo[b]thien-3-yl][4-[2-(1-piperidinyl) ethoxy]phenyl]methanone ; Raloxifene Bismethyl Ether ;
CAS:84541-38-8
RLX30 :
Raloxifene Dimethoxy Impurity ;

[L-+¦-Gln3]Vancomycin B ;
CAS:2415254-43-0
VCM06 :
Vancomycin EP Impurity F ;

{(2R,3S,4R,5R)-3,4-Dihydroxy-5-[(4Z)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl]oxolan-2-yl}methyl 2-methylpropanoate ;
CAS:2492423-29-5 2349386-89-4
MNP00 :
Molnupiravir ;

1,1',1''-(Methoxymethanetriyl)tribenzene ;
CAS:596-31-6
ZDV011:
Zidovudine EP Impurity K ; Methyl Trityl Ether ;

1,1'-(Hydroxyphosphinothioylidene)bis-aziridine sodium salt ;
CAS:14056-57-6
THT54N :
Thiotepa Impurity 4 (Sodium) ; Thiotepa EP Impurity B ; P,P-Bisaziridinyl Thiophosphate Sodium ;

1,1'-[(1-Methylethyl)imino]bis[3-(1H-indol-4-yloxy)propan-2-ol] ;
CAS:130115-65-0
PDL03 :
Pindolol EP Impurity C ;

1,1'-[(3,3',5,5'-tetramethylbiphenyl-4,4'-diyl)bisoxy]-dipropan-2-amine ;
CAS:2059988-38-2
MLT03B :
Mexiletine EP Impurity C (Base) ; Mexiletine Dimer (Base) ;

1,1'-[(3,3',5,5'-tetramethylbiphenyl-4,4'-diyl)bisoxy]-dipropan-2-amine dihydrochloride ;
CAS:2059988-39-3
MLT03H :
Mexiletine EP Impurity C (2HCl) ; Mexiletine Dimer (2HCl) ;

1,1'-[(Disulfane-1,2-diyl)bis(ethylene)]bis[(4RS)-4-phenylimidazolidin-2-one] ;
CAS:32190-36-6
LVM05 :
Levamisole EP Impurity E ;

1,1'-[3a,17+ƒ-Bis(acetyloxy)-5a-androstane-2+ƒ,16+ƒ-diyl]bis(1-methylpiperidinium) ;
CAS:50587-95-6
VCR02 :
Vecuronium EP Impurity B ; Vecuronium USP RC B ; 17-Desacetyl Vecuronium ; Pancuronium ;

1,1'-Oxydibenzene ;
CAS:101-84-8
NDX04 :
Nalidixic Acid EP Impurity D ; Propofol EP Impurity I ; Propofol BP Impurity I ; Oxydibenzene ;

1,1-[(1-Methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy] propan-2-ol] ;
CAS:154784-36-8
MTP15 :
Metoprolol EP Impurity O ; Metoprolol USP RC D ;

1,1-bis(4-Fluorobenzyl)-3-(4-isobutoxybenzyl)urea ;
PVN66 :
Pimavanserin RC 6 ;

1,1-Bis(methylthio)-2-nitroethene ;
CAS:13623-94-4
RNT62 :
Ranitidine RC 2 ;

1,1-Bis{2-chloro-[4-(3-{1,2,4-triazolo[4,3-a]pyridin-3-(2H)-on-2-yl}propyl)piperazine-1-yl]phenyl}ethane ;
TZD52B :
Trazodone Dimer ; Trazodone-3,3'-Dimer ;

1,1-Cyclohexane diacetic acid ;
CAS:4355-11-07 00:00:00
GBP32 :
Gabapentin Diacetic Acid Impurity ;

1,1-Cyclohexane diacetic acid monoamide ;
CAS:99189-60-3
GBP33 :
Gabapentin Diacetic Acid Monoamide ;

1,1-Dimethylbiguanide ;
CAS:657-24-9
MTF00B :
Metformin (Base) ;

1,1-Dimethylbiguanide dihydrochloride ;
CAS:1674364-49-8
MTF00X :
Metformin (2HCl) ;

1,1-Dimethylbiguanide hydrochloride ;
CAS:1115-70-4
MTF00H :
Metformin (HCl) ;

1,1-Dimethylethyl (2RS)-2-(4-cyclohexyl-1-naphthyl)propanoate ;
VPF02 :
Vedaprofen EP Impurity B ;

1,1-Dimethylethyl (3R*,5S*,6E)-7-[3-(4-n¼éuorophenyl)-1-(1-methylethyl)-1H-indol-2-yl]-3,5-dihydroxyhept-6-enoate ;
CAS:129332-29-2
FLV22 :
Fluvastatin USP RC B ; Fluvastatin t-Butyl Ester ;

1,1-Dimethylethyl (3R,5S,6E)-7-[3-(4-n¼éuorophenyl)-1-(1-methylethyl)-1H-indol-2-yl]-3,5-dihydroxyhept-6-enoate ;
CAS:194934-96-8
FLV02 :
Fluvastatin EP Impurity B ; Fluvastatin BP Impurity B ; (3R,5S)-Fluvastatin t-Butyl Ester ;

1,1-Dimethylethyl 4GÇ¦-[[4-methyl-6-(1-methyl-1H-benzimidazol-2-yl)-2-propyl-1H-benzimidazol-1-yl]methyl]biphenyl-2-carboxylate ;
CAS:144702-26-1
TST03 :
Telmisartan EP Impurity C ; Telmisartan t-Butyl Ester (USP) ;

1,11-Bis(4-((1,4,8,11-Tetraazacyclotetradecan-1-yl)methyl)benzyl)-1,4,8,11-tetraazacyclo tetradecane ;
CAS:771464-86-9
PXF63 :
Plerixafor Impurity 3 ;

1,11-Dichloro-12,13-dihydro-12-(4-O-methyl-+¦-D-glucopyranosyl)-5H-indolo[2,3-a]pyrrolo[3,4-c]carbazole-5,7(6H)-dione ;
CAS:93908-02-2
RBC00 :
Rebeccamycin ;

1,1GÇ¦-(Ethane-1,1-diyl)-4,4GÇ¦-(2-methylpropyl)dibenzene ;
CAS:102120-87-6
IBP18 :
Ibuprofen EP Impurity R ; Ibuprofen BP Impurity R ;

1,1GÇ¦-(Propane-1,3-diyl)bis(3,7-dimethyl-3,7-dihydro-1H-purine-2,6-dione) ;
CAS:74857-22-0
PTX11 :
Pentoxifylline EP Impurity K ; Bisdionin C ;

1,1GÇ¦-[(1-Methylethyl)imino]bis[3-(naphthalen-1yloxy)propan-2-ol] ;
CAS:83314-78-7
PPN02 :
Propranolol EP Impurity B ;

1,1GÇ¦-[1,2,5-Thiadiazol-3,4-diylbis(oxy)]bis[3-[(1,1-dimethylethyl)amino]propan-2-ol ;
TML10B :
Timolol EP Impurity J ; Timolol BP Impurity J ;

1,1GÇ¦-[2-Hydroxypropane-1,3-diylbis(oxy-2,1-phenylene)]bis(3-phenylpropan-1-one) ;
CAS:1329643-40-4
PRP06 :
Propafenone EP Impurity F ;

1,1GÇ¦-[Propyliminobis[(2-hydroxypropane-3,1-diyl)oxy-2,1-phenylene]]bis(3-phenylpropan-1-one) ;
CAS:1346603-80-2
PRP07 :
Propafenone EP Impurity G ; Propafenone Dimer Impurity ;

1,1GÇ¦-Ethane-1,2-diylbis[3-(5-chloro-2,1,3-benzothiadiazol-4-yl)guanidine] ;
CAS:1147548-83-1
TZN03 :
Tizanidine EP Impurity C ;

1,1GÇ¦-Methylenebis(3,7-dimethyl-3,7-dihydro-1H-purine-2,6-dione) ;
CAS:77196-87-3
PTX05 :
Pentoxifylline EP Impurity E ;

1,1GÇ¦-N-[Methylenebis(sulfanediylethylene)]bis(NGÇ¦-methyl-2-nitroethene-1,1-diamine) ;
CAS:1331637-48-9
RNT10 :
Ranitidine EP Impurity J ;

1,1GÇ¦-Oxybis[3-(2-methoxyphenoxy)propan-2-ol] ;
CAS:1797132-23-0
GFS03 :
Guaifenesin EP Impurity C ;

1,1GÇÖ-(Dithiobis(2-hydroxy-3-propyl-4,1-phenylene))bisethanone ;
TLK69 :
Tipelukast RC 9 ;

1,1GÇÖ-(Oxybis(propane-3,1-diyl))dipiperidine ;
CAS:110129-10-7
PLS72 :
Pitolisant RC 12 ;

1,1GÇÖ-[1,4-Phenylenebis(methylene)]bis-1,4,8,11-tetraazacyclotetradecane ;
CAS:110078-46-1
PXF00 :
Plerixafor ;

1,2+¦,4,7+¦-Dihydroxy-9-oxotax-11-ene-5+¦,10+¦,13+¦,20-tetrayl 5,10-diacetate 20-benzoate 13-[(2R,3S)-3-(benzoylamino)-2-hydroxy-3-phenylpropanoate] ;
CAS:932042-85-8
PCX13 :
Paclitaxel EP Impurity M ; Paclitaxel Oxetane Ring-Opened 3-Acetyl 4-Benzoyl Impurity ;

1,2,3,4,10,14b-Hexahydro-2-methylpyrazino[2,1-a]pyrido[2,3-c][2]-benzazepine ;
CAS:85650-52-8
MTZ00 :
Mirtazapine ;

1,2,3,4,10,14b-Hexahydro-2-methylpyrazino[2,1-a]pyrido[2,3-c][2]benzazepin-8-ol ;
CAS:102335-57-9
MTZ50 :
Mirtazapine 8-Hydroxy ;

1,2,3,4,10,14b-Hexahydro-2-methylpyrazino[2,1-a]pyrido[2,3-c][2]benzazepin-8-yl +¦-D-glucopyranosiduronic acid ;
CAS:155239-47-7
MTZ51 :
Mirtazapine 8-Hydroxy +¦-D-Glucuronide ;

1,2,3,4,10,14b-Hexahydro-2-methylpyrazino[2,1-a]pyrido[2,3-c][2]benzazepine 2-oxide ;
CAS:155172-12-6
MTZ01 :
Mirtazapine EP Impurity A ; Mirtazapine USP RC B ; Mirtazapine N-Oxide ;

1,2,3,4,10,14b-Hexahydropyrazino[2,1-a]pyrido[2,3-c][2]benzazepine ;
CAS:61337-68-6
MTZ04B :
Mirtazapine EP Impurity D (Base) ; Mirtazapine USP RC A ; N-Desmethyl Mirtazapine ;

1,2,3,4,10,14b-Hexahydropyrazino[2,1-a]pyrido[2,3-c][2]benzazepine HCl ;
CAS:1188265-41-9
MTZ04H :
Mirtazapine EP Impurity D (HCl) ; Mirtazapine USP RC A ; N-Desmethyl Mirtazapine HCl ;

1,2,3,4-Tetrahydro-1-(4-amino-2-methylbenzoyl)-7-chloro-5H-1-benzazepin-5-one ;
CAS:137977-97-0
TVT64 :
Tolvaptan Amino Keto Impurity ;

1,2,3,4-Tetrahydro-4,6-dihydroxy-2-methylisoquinoline ;
CAS:23824-24-0
PNP61B :
Phenylephrine Impurity 2 (Base) ;

1,2,3,4-Tetrahydro-4,6-dihydroxy-2-methylisoquinoline hydrochloride ;
CAS:57196-61-9
PNP61H :
Phenylephrine Impurity 2 (HCl) ;

1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid ;
CAS:67123-97-1
QPR61B :
Quinapril RC 1 (Base) ;

1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid hydrochloride ;
CAS:41994-51-8
QPR61H :
Quinapril RC 1 (HCl) ;

1,2,3,6,7,11b-Hexahydro-2-[(cis-4-hydroxycyclohexyl)carbonyl]-4H-pyrazino[2,1-a]isoquinolin-4-one ; cis-(+/-)-1,2,3,6,7,11b-Hexahydro-2-[(4-hydroxycyclohexyl)carbonyl]- 4H-pyrazino[2,1-a]isoquinolin-4-one ;
CAS:134924-68-8
PQT51 :
Praziquantel cis-Hydroxy Impurity ;

1,2,3,6,7,11b-Hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one ;
CAS:61196-37-0
PQT50 :
Praziquantel Descyclohexylcarbonyl Impurity ; Praziquanamine ;

1,2,3,9-Tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one ;
CAS:99614-02-5
ODS00B :
Ondansetron (Base) ;

1,2,3,9-Tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one hydochloride ;
CAS:99614-01-4
ODS00A :
Ondansetron (HCl Anhydrous) ;

1,2,3,9-Tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one hydochloride dihydrate ;
CAS:103639-04-9
ODS00H :
Ondansetron (HCl Dihydrate) ;

1,2,4,5-Tetrahydro-3H-1,5-methanobenzo[d]azepine-3,7,8-triamine ;
VCT72B :
Varenicline RC 2 (Base) ;

1,2,4,5-Tetrahydro-3H-1,5-methanobenzo[d]azepine-3,7,8-triamine HCl ;
VCT72H :
Varenicline RC 2 (HCl) ;

1,2,4-Benzenetriol ;
CAS:533-73-3
PLG05 :
Phloroglucinol EP Impurity E ;

1,2,4-Triazol-3-amine ;
CAS:61-82-5
TRL02 :
Trapidil EP Impurity B ; Amitrole ;

1,2-Benzisoxazole-3-methanecarboxylic acid ; 1,2-Benzisoxazole-3-acetic acid ;
CAS:4865-84-3
ZNS31 :
Zonisamide Carboxylic Acid Impurity ;

1,2-Benzisoxazole-3-methanesulfonic acid ;
CAS:342623-49-8
ZNS21A :
Zonisamide USP RC A (Acid) ; Zonisamide Sulfonic Acid Impurity ;

1,2-Benzisoxazole-3-methanesulfonic acid sodium salt ;
CAS:73101-64-1
ZNS21N :
Zonisamide USP RC A (Sodium Salt) ; Zonisamide Sulfonic Acid Sodium Salt ; Zonisamide Sulfonate Impurity ;

1,2-Benzisoxazole-3-methanesulfonylchloride ;
CAS:73101-65-2
ZNS33 :
Zonisamide Sulfonyl Chloride Impurity ;

1,2-bis((5-Nitrofuran-2-yl)methylene)hydrazine ;
CAS:736-53-8
NFT66 :
Nifuratel Impurity F ; Nifuroxazide EP Impurity D ; 5-Nitrofurfural Azine ;

1,2-Bis(2,3-Dihydro-1H-inden-1-yl)-1,2-di(prop-2-yn-1-yl)hydrazine ;
RSG50 :
Rasagiline Dimer ;

1,2-Bis(2,3-dimethyl-2H-indazol-6-yl)hydrazine ;
PZP78 :
Pazopanib Impurity 28 ;

1,2-Bis(2,4-Dimethylphenyl)disulfane ;
CAS:13616-83-6
VXT68 :
Vortioxetine RC 18 ;

1,2-bis[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1piperazinyl)ethoxy]ethane ;
CAS:1371638-05-9
QTP05B :
Quetiapine EP Impurity E (Base) ; Quetiapine bis-Ether ; Quetiapine Diether Dimer ;

1,2-bis[2-(4-Dibenzo [b,f] [1,4]thiazepin-11-yl-1piperazinyl)ethoxy]ethane dihydrochloride ;
QTP05H :
Quetiapine EP Impurity E (2HCl) ; Quetiapine bis-Ether Dihydrochloride ; Quetiapine Diether Dimer Dihydrochloride ;

1,2-Difluoro-4-nitrobenzene ;
CAS:369-34-6
LNZ62 :
Linezolid RC 2 ;

1,2-Dihydro-5,6,9,17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-2,7-(epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan-8-carboxaldehyde 21-acetate ;
CAS:13292-22-3
RMC53 :
Rifamycin 3-Formyl Impurity ; 3-Formylrifampicin SV ;

1,2-Dimethoxybenzene ;
CAS:91-16-7
GCL03 :
Guaiacol EP Impurity C ; Veratrole;

1,2-Dimethyl-1,4,5,6-tetrahydropyrimidine ;
CAS:4271-96-9
PTL04 :
Pyrantel EP Impurity D ;

1,2-Diphenyl-4-[2-(phenylsulfanyl)ethyl]pyrazolidine-3,5-dione ;
CAS:3736-92-3
SFP02 :
Sulfinpyrazone EP Impurity B ;

1,2-Diphenyl-4-[2-(phenylsulfinyl)ethyl]pyrazolidine-3,5-dione ;
CAS:57-96-5
SFP00 :
Sulfinpyrazone ;

1,2-Diphenyl-4-[2-(phenylsulfonyl)ethyl]pyrazolidine-3,5-dione ;
CAS:1106-50-9
SFP01 :
Sulfinpyrazone EP Impurity A ;

1,2-Diphenyldiazene ;
CAS:103-33-3
PHB04 :
Phenylbutazone EP Impurity D ; Azobenzene ;

1,2-Diphenylhydrazine ;
CAS:122-66-7
PHB03 :
Phenylbutazone EP Impurity C ;

1,2a,3,4-Tetrahydro-2H-cyclopenta(cd)indol-2-one ;
RPN63 :
Ropinirole RC 3 ;

1,3,4,6-Tetra-O-sulfo-+¦-D-fructofuranosyl +¦-D-glucopyranoside 2,3,4-tris(hydrogen sulfate) heptapotassium salt ;
CAS:386229-69-2
SCR50K :
Sucrose Heptasulfate Potassium Salt ;

1,3,5-Benzenetriol Hydrate (1:2) ;
CAS:6099-90-7
PLG50 :
Phloroglucinol (Dihydrat)e ;

1,3,5-Triazine-2,4,6-triamine ;
CAS:108-78-1
MTF04B :
Metformin EP Impurity D ; Melamine ;

1,3,5-Trimethoxybenzene ;
CAS:621-23-8
PLG63 :
Phloroglucinol Trimethyl Ether ;

1,3,5-Tris(benzyloxy)benzene ;
CAS:59434-20-7
PLG61 :
Phloroglucinol Tribenzyl Ether ;

1,3,5-tris(Oxiran-2-ylmethyl)-1,3,5-triazinane-2,4,6-trione ;
CAS:2451-62-9
MXL66 :
Metaxalone RC 6 ;

1,3,7-Trimethyl-3,7-dihydro-1H-purine-2,6-dione ;
CAS:58-08-2
TPL01 :
Theophylline EP Impurity A ; Dimenhydrinate EP Impurity C ; Pentoxifylline EP Impurity F ; Caffeine ;

1,3-Adamantanediol ;
CAS:5001-18-3
VDG62 :
Vildagliptin Impurity 2 ;

1,3-Benzenediol ;
CAS:108-46-3
PLG02 :
Phloroglucinol EP Impurity B ; Hymecromone EP Impurity A ; Resorcinol ;

1,3-Bis(((1R,2R)-2-(2,3-dihydrobenzofuran-4-yl)cyclopropyl)methyl)urea ;
CAS:1803286-21-6
TLT74 :
Tasimelteon RC 14 ; Tasimelteon Impurity K ;

1,3-bis(((S)-2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl) urea ;
CAS:1365267-35-1
RVR04 :
Rivaroxaban EP Impurity D ; Rivaroxaban USP RC D ; Rivaroxaban Urea Dimer ;

1,3-Bis(2,5-Dimethylphenoxy)propane ;
CAS:415724-02-6
GFZ08 :
Gemfibrozil EP Impurity H ;

1,3-Bis(2,6-dimethylphenyl)thiourea ;
CAS:25480-78-8
XLZ02 :
Xylazine EP Impurity B ;

1,3-bis(2-Ethoxyphenoxy)-2-propanol ;
CAS:3024393-81-2
VLX59 :
Viloxazine Propanol Impurity ;

1,3-Bis(2-Ethylhexyl)]-5-methylhexahydropyrimidin-5-amine ;
CAS:141-94-6
HXT00 :
Hexetidine ;

1,3-Bis(2-fluoro-4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)urea ;
CAS:2438857-80-6
RGR04 :
Regorafenib EP Impurity D ;

1,3-Bis(2-Methoxyphenoxy)propan-2-ol ;
CAS:16929-60-5
RLZ51 :
Ranolazine Impurity E ; Dianisylglycerole ; Guaifenesin EP Impurity D ;

1,3-Bis(2-Methoxyphenoxy)propan-2-ol ;
CAS:16929-60-5
GFS04 :
Guaifenesin EP Impurity D ; Ranolazine Impurity E ; Dianisylglycerole ;

1,3-bis(3-(3,5-Dimethylphenoxy)-2-hydroxypropyl)-5-(oxiran-2-ylmethyl)-1,3,5-triazinane-2,4,6-trione ;
CAS:1392430-17-9
MXL61 :
Metaxalone RC 1 ;

1,3-Bis(4-(3-oxomorpholino)phenyl)urea ;
CAS:1855920-51-2
RVR68 :
Rivaroxaban RC 8 ;

1,3-bis(4-(6-Carbamoyl-7-methoxyquinolin-4-yloxy)-2-chlorophenyl)urea ;
CAS:2143930-75-8
LVT72 :
Lenvatinib RC 12 ;

1,3-bis(4-Chloro-3-(trifluoromethyl)phenyl)urea ;
CAS:370-50-3
SRF09 :
Sorafenib EP Impurity I ; Sorafenib RC 2 ;

1,3-bis(4-Isobutoxybenzyl)urea ;
CAS:955997-87-2
PVN76 :
Pimavanserin RC 16 ;

1,3-bis(4-Nitro-3-(trifluoromethyl)phenyl)urea ;
NLD04 :
Nilutamide EP Impuirty D ;

1,3-Bis(5-chloro-2,1,3-benzothiadiazol-4-yl)-1-(4,5-dihydro-1H-imidazol-2-yl)guanidine ;
CAS:1147548-85-3
TZN06 :
Tizanidine EP Impurity F ;

1,3-Bis(dimethylaminomethyl)-2-methylpropane) ;
CAS:67952-96-9
OXM51 :
Oxomemazine Diamine Impurity ;

1,3-bis(Naphthalen-1-yloxy)propan-2-ol ;
CAS:17216-10-3
PPN03 :
Propranolol EP Impurity C ;

1,3-bis-[4-(3-Chlorophenyl)piperazin-1-yl]propane ;
CAS:6323-09-07 00:00:00
TZD08B :
Trazodone BP Impurity H (Base) ; Trazodone EP Impurity H ; Nefazodone Dimer Impurity ; Trazodone USP Impurity F ;

1,3-bis-[4-(3-Chlorophenyl)piperazin-1-yl]propane dihydrochloride ;
CAS:2408971-27-5
TZD08H :
Trazodone BP Impurity H (2HCl) ; Trazodone EP Impurity H ; Trazodone USP Impurity F (2HCl) ;

1,3-bis[(1-Methylethyl)amino]propan-2-ol dihydrochloride ;
CAS:73313-36-7
MTP13H :
Metoprolol EP Impurity M (2HCl) ;

1,3-bis[4-(2-Methoxyethyl)phenoxy]propan-2-ol ;
CAS:230975-30-1
MTP56 :
Metoprolol Dimer ; Metoprolol Bis Propanol Impurity ;

1,3-Di(piperidin-1-yl)propane ;
CAS:31951-46-9
PLS71 :
Pitolisant RC 11 ;

1,3-Diacetyl-2,4,6-trihydroxybenzene ;
CAS:2161-86-6
PLG52 :
Phloroglucinol 2,4-Diacetyl ;

1,3-Dibenzylurea ;
CAS:1466-67-7
LSM62 :
Lacosamide Impurity 2 ;

1,3-Dibromo adamantamine ;
CAS:1797133-04-0
MMT52 :
Memantine Dedimethyl Dibromo ;

1,3-Dibromo-2-(methoxymethoxy)benzene ;
CAS:142273-81-2
SSZ54 :
Sulfasalazine RC 4 ;

1,3-Dichloro-2-(chloromethyl)benzene ;
CAS:2014-83-7
ISZ52 :
Isoconazole Impurity 2 ;

1,3-Dichloro-2-(dichloromethyl)benzene ;
CAS:81-19-6
ISZ55 :
Isoconazole Impurity 5 ;

1,3-Dichloro-2-methylbenzene ;
CAS:118-69-4
ISZ51 :
Isoconazole Impurity 1 ;

1,3-Dichloro-5,5-dimethylimidazolidine-2,4-dione ;
CAS:118-52-5
HDT55 :
Hydantoin 1,3-Dichloro 5,5-Dimethyl ;

1,3-Dideoxy-1,3-bis(methylamino)-myo-inositol ;
CAS:6216-38-2
SMC01B :
Spectinomycin EP Impurity A (Base) ; Actinamine ;

1,3-Dideoxy-1,3-bis(methylamino)-myo-inositol dihydrochloride ;
CAS:52049-70-4
SMC01H :
Spectinomycin EP Impurity A (2HCl) ; Actinamine Dihydrochloride ;

1,3-Dihydro-4-[2-[(2-methylpentyl)amino]ethyl]-2H-Indol-2-one ;
CAS:249622-60-4
RPN02 :
Ropinirole EP Impurity B ;

1,3-Diiodo-5,5-dimethylimidazolidine-2,4-dione ;
CAS:2232-12-04 00:00:00
HDT56 :
Hydantoin 1,3-Diiodo 5,5-Dimethyl ;

1,3-Dimethoxy-5-pentylbenzene ;
CAS:22976-40-5
OVT54 :
Olivetol Dimethyl Ether ;

1,3-Dimethyl-1H-indazol-6-amine ;
CAS:221681-92-1
PZP75 :
Pazopanib Impurity 25 (Base) ;

1,3-Dimethyl-1H-indazol-6-amine hydrochloride ;
CAS:2369664-21-9
PZP75H
Pazopanib Impurity 25 (HCl) ;

1,3-Dimethyl-3,7-dihydro-1H-purine-2,6-dione ;
CAS:58-55-9
TPL00 :
Theophylline ; Dimenhydrinate EP Impurity A ;

1,3-Dimethyl-7,9-dihydro-1H-purine-2,6,8(3H)-trione ;
CAS:944-73-0
TPL05 :
Theophylline EP Impurity E ;

1,3-Dimethyladamantane ;
CAS:702-79-4
MMT21 :
Memantine USP RC A ; Desamino Memantine ;

1,3-O-Isopropylidene simvastatin dimer ;
CAS:1346601-43-1
SVS79
Simvastatin RC 19 ;

1,4,8,11-Tetraazacyclotetradecane ;
CAS:295-37-4
PXF55 :
Plerixafor 1,4,8,11-Tetraazacyclotetradecane ;

1,4-Bis((4-chlorophenyl)(phenyl)methyl)piperazine ;
CAS:346451-15-8
MCL06B :
Meclizine EP Impurity F (Base) ; Meclozine EP Impurity F (Base) ; Cetirizine EP Impurity D (Base) ; Cetirizine Dimer ;

1,4-Bis((4-chlorophenyl)(phenyl)methyl)piperazine dihydrochloride ;
CAS:856841-95-7
MCL06H :
Meclizine EP Impurity F (2HCl) ; Meclozine EP Impurity F (2HCl) ; Cetirizine EP Impurity D (2HCl) ; Cetirizine Dimer 2HCl ;

1,4-Bis(2,3,4-trimethoxybenzyl)piperazine ;
CAS:1257-19-8
TMD02B :
Trimetazidine EP Impurity B ; Hexametazidine ;

1,4-Bis(2-hydroxyethyl)piperazine ;
CAS:122-96-3
PPZ74 :
Perphenazine Impurity 4 ;

1,4-Bis(3-chlorophenyl)piperazine ;
CAS:79975-63-6
TZD61 :
Trazodone Impurity 1 ; Trazodone USP Impurity I ;

1,4-Bis(3-methylbenzyl)piperazine ;
CAS:625406-13-5
MCL32B :
Meclizine bis-Methylbenzyl Impurity (Base) ;

1,4-Bis(3-methylbenzyl)piperazine HCl ;
CAS:5321-65-3
MCL32H :
Meclizine bis-Methylbenzyl Impurity (HCl) ;

1,4-bis(9-(4-Chlorobenzylidene)-2,7-dichloro-9H-fluoren-4-yl)-3,6-dioxa-bicyclo[3.1.0]hexane ;
CAS:1795129-61-1
LFN52 :
Lumefantrine Impurity B ;

1,4-Bis(benzo[d]isothiazol-3-yl)piperazine ;
CAS:223586-82-1
ZPS16B :
Ziprasidone EP Impurity P ; Lurasidone Impurity 1 ; Lurasidone DBI Piperazine Impurity ;

1,4-Bis(benzo[d]isothiazol-3-yl)piperazine ;
CAS:223586-82-1
LRS61 :
Lurasidone Impurity 1 ; Lurasidone DBI Piperazine Impurity ; Ziprasidone EP Impurity P ;

1,4-bis(Bromomethyl)benzene ;
CAS:623-24-5
PXF54 :
Plerixafor 1,4-bis(Bromomethyl)benzene ;

1,4-Bis(chloromethyl)naphthalene ;
CAS:6586-89-6
NTF65 :
Naftifine RC 5 ;

1,4-Bis(chloromethyl)naphthalene ;
CAS:6586-89-6
TBN86 :
Terbinafine RC 26 ; Naftifine RC 5 ;

1,4-bis(Dibenzo[b,f][1,4]thiazepine-11-yl)piperazine ; 11,11'-(1,4-Piperazine diyl)-bis-dibenzo[b,f][1,4]thiazepine ;
CAS:945668-94-0
QTP04 :
Quetiapine EP Impurity D ; Quetiapine Bis(dibenzothiazepinyl) piperazine Impurity (USP) ; Quetiapine Dimer ;

1,4-bis(Furan-2-ylcarbonyl)piperazine ;
CAS:31350-27-3
TRZ13 :
Terazosin EP Impurity M ; Prazosin EP Impurity B ;

1,4-Bis(furan-2-ylcarbonyl)piperazine ; 1,4-Di(2-furoyl)piperazine ;
CAS:31350-27-3
PRZ02 :
Prazosin EP Impurity B ; Terazosin EP Impurity M ;

1,4-bis-[4-[4-Methyl-3-[[4-(pyridin-3-yl)pyrimidin-2- yl]amino]phenyl] carbamoyl] benzyl piperazine ;
CAS:1365802-18-1
IMT75 :
Imatinib Dimer Impurity ; Imatinib bis Impurity ; Imatinib Impurity E ;

1,4-bis[(tetrahydrofuran-2-yl)carbonyl]piperazine ;
CAS:547730-06-3
TRZ15 :
Terazosin EP Impurity O ;

1,4-Dideoxy-1,4-dihydro-3-[(E)-[(4-methyl-1-piperazinyl)imino]methyl]-1,4-dioxo-rifamycin ;
CAS:13983-13-6
RFP01 :
Rifampicin EP Impurity A ; Rifampicin Quinone ;

1,4-Dihydro-1-(5-methoxy-1H-benzimidazol-2-yl)-3,5-dimethyl-4-oxo-2-pyridinecarboxylic acid ammonium salt ;
CAS:2227107-89-1
OMP40M :
Omeprazole Pyridone Acid (Ammonium Salt) ; Esomeprazole Dihydro Pyridine Impurity ; Esomeprazole Impurity H ;

1,4-Dihydro-2,6-dimethyl-4-(2-nitrophenyl)-3,5-pyridinedicarboxylic acid 2-acetoxy-2-methyl-propyl methyl ester ;
CAS:106666-00-6
NSD51 :
Nisoldipine Acetoxy Impurity ;

1,4-Dihydro-2,6-dimethyl-4-(2-nitrophenyl)-3,5-pyridinedicarboxylic acid methyl 2-methylpropyl ester ;
CAS:63675-72-9
NSD00 :
Nisoldipine ;

1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl) pyridine-3,5-dicarboxylic acid 2-[N-(3,3-diphenylpropyl)-N-methylamino]-1,1-dimethylethyl propyl diester ;
CAS:1797124-83-4
LCN63B :
Lercanidipine Impurity C ; Lercanidipine 5-Desmethyl-5-Propyl Ester ;

1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid 1-methylpropyl ester ;
CAS:74936-74-6
LCN61B :
Lercanidipine Impurity A ;

1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid 2-[(3,3-diphenylpropyl)methylamino]-1,1-dimethylethyl ester ;
CAS:1119226-97-9
LCN62B :
Lercanidipine Impurity B ; Lercanidipine Acid ;

1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid 2-[(3,3-diphenylpropyl)methylamino]-1,1-dimethylethyl methyl ester ;
CAS:100427-26-7
LCN00B :
Lercanidipine (Base) ;

1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid 2-[(3,3-diphenylpropyl)methylamino]-1,1-dimethylethyl methyl ester hydrochloride ;
CAS:132866-11-6
LCN00H :
Lercanidipine (HCl) ;

1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid 3,5-dimethyl ester ;
CAS:21881-77-6
NCD23 :
Nicardipine USP RC C ; Nicardipine EP Impurity C ; Nicardipine Dimethyl Ester Analog (USP) ; m-Nifedipine ; Nitrendipine EP Impurity B ;

1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid 3-methyl ester ;
CAS:74936-72-4
LCN01B :
Lercanidipine EP Impurity A ; Nicardipine USP RC A ; Nicardipine Mono Acid ; Lercanidipine Mono Acid ;

1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid 3-methyl ester ;
CAS:74936-72-4
NCD21 :
Nicardipine USP RC A ; Nicardipine Mono Acid ; Lercanidipine Mono Acid ; Lercanidipine EP Impurity A ;

1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-Pyridinedicarboxylic acid bis[2-[methyl(phenylmethyl)amino]ethyl] ester ;
CAS:71791-90-7
NCD02B :
Nicardipine EP Impurity B ; Nicardipine Bis Analog ;

1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-Pyridinedicarboxylic acid bis[2-[methyl(phenylmethyl)amino]ethyl] ester hydrochloride ;
NCD02H :
Nicardipine EP Impurity B (HCl) ; Nicardipine Bis Analog (HCl) ;

1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid methyl 2-[methyl(phenylmethyl)amino]ethyl ester HCl ;
CAS:54527-84-3
NCD00H :
Nicardipine HCl ;

1,4-Dihydroxy-5,8-bis(2-(2-hydroxyethylamino)ethylamino)anthracene-9,10-dione ;
CAS:65271-80-9
MXT00B :
Mitoxantrone (Base) ;

1,4-Dihydroxy-5,8-bis(2-(2-hydroxyethylamino)ethylamino)anthracene-9,10-dione dihydrochloride ;
CAS:70476-82-3
MXT00H :
Mitoxantrone Dihydrochloride ;

1,4-Dimethyl-2-(4-phenylbutoxy)benzene ;
CAS:500904-64-3
GFZ06 :
Gemfibrozil EP Impurity F ;

1,4-Dimethyl-2-(prop-2-enyloxy)benzene ;
CAS:3727-20-6
GFZ07 :
Gemfibrozil EP Impurity G ;

1,4:3,6-Dianhydro-D-glucitol 2-nitrate ;
CAS:16106-20-0
ISD02 :
Isosorbide Dinitrate EP Impurity B ; Isosorbide 2-Nitrate ;

1,4:3,6-Dianhydro-D-glucitol 5-nitrate ;
CAS:16051-77-7
ISD03 :
Isosorbide Dinitrate EP Impurity C ; Isosorbide 5-Nitrate ; Isosorbide Mononitrate ;

1,5-Bis(1-methylethyl)biguanide hydrochloride ;
CAS:35708-82-8
PGN04H :
Proguanil EP Impurity D (HCl) ; Proguanil USP RC D (HCl) ;

1,5-bis(2-Bromo-5-hydroxyphenyl)pentan-3-one ;
CAS:1427054-10-1
SPN03 :
Spinol RC 3 ;

1,5-bis(3-Hydroxyphenyl)pentan-3-one ;
CAS:1427054-08-7
SPN02 :
Spinol RC 2 ;

1,5-Bis(4-chlorophenyl)biguanide hydrochloride ;
CAS:13590-98-2
PGN03H :
Proguanil EP Impurity C (HCl) ; Proguanil USP RC C (HCl) ;

1,5-bis(6-Methoxynaphthalen-2-yl)pentan-3-one ;
CAS:343272-53-7
NBM05 :
Nabumetone EP Impurity E ;

1,5-Bis(chloromethyl)naphthalene ;
CAS:1733-76-2
NTF66 :
Naftifine RC 6 ;

1,5-Bis(chloromethyl)naphthalene ;
CAS:1733-76-2
TBN87 :
Terbinafine RC 27 ; Naftifine RC 6 ;

1,5-Dibromo-1-(2-fluorophenyl)pentan-2-one ;
CAS:1373350-57-2
PRS73 :
Prasugrel Impurity 3 ; Prasugrel Dibromo Impurity ;

1,5-Dimethyl-4-(dimethylamino)-2-phenyl-2,3-dihydro-1H-pyrazol-3-one ;
CAS:58-15-1
MMZ04 :
Metamizole EP Impurity D ; 4-Dimethylamino Antipyrine ;

1,5-Dimethyl-4-(methylamino)-2-phenyl-2,3-dihydro-1H-pyrazol-3-one ;
CAS:519-98-2
MMZ03B :
Metamizole EP Impurity C (Base) ; 4-Methylamino Antipyrine ;

1,5-Dimethyl-4-(methylamino)-2-phenyl-2,3-dihydro-1H-pyrazol-3-one HCl ;
CAS:856307-27-2
MMZ03H :
Metamizole EP Impurity C (HCl) ; 4-Methylamino Antipyrine HCl ;

1,5-Dimethyl-4-(N-methyl-N-nitrosoamino)-2-phenyl-2,3-dihydro-1H-pyrazol-3-one ;
CAS:73829-38-6
MMZ53B :
Metamizole EP Impurity C N-Nitroso Impurity ;

1,6-Dihydro-5-hydroxy-1-methyl-2-[1-methyl-1-[[(5-methyl-1,3,4-oxadiazol-2-yl)carbonyl]amino]ethyl]-6-oxo-N-(phenylmethyl)-4-pyrimidinecarboxamide ;
CAS:1193687-87-4
RGV05 :
Raltegravir EP Impurity E ; Raltegravir USP RC E ; 4-Desfluoro Raltegravir ;

1,6-Dihydro-6-imino-4-(1-piperidinyl)-1-(sulfooxy)-2-pyrimidinamine ;
CAS:83701-22-8
MNX52 :
Minoxidil Sulfate Ester ; Minoxidil N-O-Sulfate;

1,6-Dihydro-6-oxo-1-phenyl-3-pyridinecarboxylic acid ;
CAS:77837-08-2
PFD50A :
Pirfenidone 5-Carboxylic Acid Impurity ;

1,6-Dihydro-6-oxo-1-phenyl-3-pyridinecarboxylic acid sodium salt ;
CAS:1189982-99-7
PFD50N :
Pirfenidone 5-Carboxylic Acid Impurity (Sodium) ;

1,6-Dihydro-N-[2-(nitrooxy)ethyl]-6-oxo-3-pyridinecarboxamide ;
CAS:113743-17-2
NCR56 :
Nicorandil 6-Hydroxy Impurity ;

1,8-Bis(4-((1,4,8,11-Tetraazacyclotetradecan-1-yl)methyl)benzyl)-1,4,8,11-tetraazacyclo tetradecane ;
CAS:414858-02-9
PXF62 :
Plerixafor Impurity 2 ;

1,GÇï5,GÇï6,GÇï7,GÇï8,GÇï9-GÇïHexahydro-GÇï5,GÇï9-GÇïmethanoimidazo[4,GÇï5-GÇïh]GÇï[3]GÇïbenzazepine ;
CAS:357424-12-5
VCT74B :
Varenicline RC 4 (Base) ;

1,GÇï5,GÇï6,GÇï7,GÇï8,GÇï9-GÇïHexahydro-GÇï5,GÇï9-GÇïmethanoimidazo[4,GÇï5-GÇïh]GÇï[3]GÇïbenzazepine hydrochloride ;
CAS:230615-10-8
VCT74H :
Varenicline RC 4 (HCl) ;

1-((1H-1,2,4-Triazol-1-yl)methyl)-5-(4-chlorobenzyl)-2,2-dimethylcyclopentanol ;
CAS:125116-23-6
MCZ00 :
Metconazole ;

1-((1R,3S)-3-Hydroxycyclohexyl)-3-(4-(2-(2-methylpyrazine-5-carboxamido)ethyl)phenylsulfonyl)urea ;
CAS:38207-37-3
GLP53 :
Glipizide cis-3-Hydroxy ;

1-((1R,4R)-4-Hydroxycyclohexyl)-3-(4-(2-(2-methylpyrazine-5-carboxamido)ethyl)phenylsulfonyl)urea ;
CAS:38207-36-2
GLP54 :
Glipizide trans-4-Hydroxy ;

1-((2'-(1H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2- butyl-5-chloro-1H-imidazole-4-carboxylic acid ;
CAS:1350088-08-1
LST65 :
Losartan RC 5 ;

1-((2'-(1H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-butyl-5-chloro-1H-imidazole-4-carbaldehyde ;
CAS:141949-90-8
LST64 :
Losartan RC 4 ;

1-((2'-(Methoxycarbonyl)-[1,1'-biphenyl]-4-yl)methyl)-4-methyl-2-propyl-1H-benzo[d]imidazole-6-carboxylic acid ;
CAS:884330-11-4
TST61 :
Telmisartan Impurity 1 ;

1-((2-(2,4-Dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl)methyl)-1H-1,2,4-triazole ;
CAS:60207-90-1
PCN00 :
Propiconazole ;

1-((2-(4-Chlorophenyl)-4,4-dimethylcyclohex-1-enyl)methyl)piperazine ;
CAS:2227206-05-3
VNT43 :
Venetoclax KSM-II ;

1-((2-(Trimethylsilyl)ethoxy)methyl)-1H-pyrrolo[2,3-b]pyridin-2(3H)-one ;
CAS:879132-48-6
UBG65 :
Ubrogepant RC 5 ;

1-((2R,3R)-3-(4-(4-Cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-2-yl)carbamoyl)oxy)vinyl)-1H-1,2,4-triazol-4-ium chloride ;
ISV70 :
Isavuconazole RC 10 ;

1-((2R,3R)-3-(4-(4-Cyanophenyl)thiazol-2-yl)-2-(2,5-dimethylphenyl)-2-hydroxybutyl)-4-(1-((methyl(3-(4-(methylamino)-3-oxobutyl)pyridin-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium chloride ;
ISV68 :
Isavuconazole RC 8 ;

1-((2R,3R)-3-(4-(Aminomethyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium chloride ;
ISV62 :
Isavuconazole RC 2 ;

1-((2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)-tetrahydrofuran-2-yl)-4-(hydroxyamino)pyrimidin-2(1H)-one ;
CAS:3258-02-04 00:00:00
MNP51 :
Molnupiravir IP Impurity A ; Molnupiravir RC 2 ; N4-Hydroxycytidine ;

1-((2R,3S)-3-(4-(4-Cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-((methyl(3-((2-(methylamino)acetoxy)methyl)pyridin-2-yl)carbamoyl)oxy)vinyl)-1H-1,2,4-triazol-4-ium chloride ;
ISV69 :
Isavuconazole RC 9 ;

1-((2R,3S,4R,5R)-3,4-Dihydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione ;
CAS:114262-49-6
SFS56 :
Sofosbuvir Methylarabinosyl Impurity ;

1-((2R,4R,5R)-4-Chloro-5-(trityloxymethyl)-tetrahydrofuran-2-yl)-5-methylpyrimidine-2,4(1H,3H)-dione ;
CAS:34627-62-8
ZDV61 :
Zidovudine RC 1 ;

1-((2R,4R,5R)-4-Hydroxy-5-(hydroxymethyl)-tetrahydrofuran-2-yl)-5-iodopyrimidin-2(1H)-one ;
CAS:93265-81-7
IRD52 :
Idoxuridine Deoxy Impurity ; Ropidoxuridine ;

1-((2R,4R,5R)-4-Hydroxy-5-(hydroxymethyl)-tetrahydrofuran-2-yl)-5-iodopyrimidine-2,4(1H,3H)-dione ; 5-Iodo-1-(2-deoxy-+¦-D-erythryo-pentofuranosyl)pyrimidine-2,4(1H,3H)-dione ;
CAS:54-42-2
IRD00 :
Idoxuridine ;

1-((2R,4S,5R)-3,3-Difluoro-4-hydroxy-5-(hydroxymethyl)-tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione ;
CAS:114248-23-6
GCT03 :
Gemcitabine EP Impurity C ; Gemcitabine Dione Impurity ; Gemcitabine Impurity 1 ;

1-((2R,4S,5R)-3-Chloro-4-hydroxy-5-(hydroxymethyl)-3-methyl-tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione ;
CAS:1496551-72-4
SFS65 :
Sofosbuvir Desphosphate Chloro Analog ;

1-((2R,4S,5R)-4-(Benzyloxy)-3-fluoro-5-(hydroxymethyl)-3-methyl-tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione ;
SFS61 :
Sofosbuvir 3-O-Benzyl Desphosphate ;

1-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)-tetrahydrofuran-2-yl)-5-iodopyrimidine-2,4(1H,3H)-dione ;
CAS:93780-25-7
IRD53 :
Idoxuridine 3-Epi Impurity ;

1-((2R,4S,5R)-5-(Benzyloxymethyl)-3-fluoro-4-hydroxy-3-methyl-tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione ;
SFS62 :
Sofosbuvir 5-O-Benzyl Desphosphate ;

1-((2R,5S)-2-(Hydroxymethyl)-1,3-oxathiolan-5-yl)-4-((1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-ylamino)methylamino)pyrimidin-2(1H)-one ;
LMV44 :
Lamivudine Dimer ;

1-((2S,3R)-3-(4-(4-Cyanophenyl)thiazol-2-yl)-2-(2,5-dimethylphenyl)-2-methylbutyl)-4-(1-((methyl(3-(4-(m ;ethylamino)-3-oxobutyl)pyridin-2-yl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium chloride ;
ISV71 :
Isavuconazole RC 11 ;

1-((2S,4S,5S)-4-Hydroxy-5-(hydroxymethyl)-tetrahydrofuran-2-yl)-5-iodopyrimidine-2,4(1H,3H)-dione ;
CAS:162239-35-2
IRD50 :
Idoxuridine Enantiomer ;

1-((3aR,4R,6R,6aR)-6-(Hydroxymethyl)-2,2-dimethyl-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl)pyrimidine-2,4(1H,3H)-dione ;
CAS:362-43-6
MNP66 :
Molnupiravir RC 6 ;

1-((3aR,4S,6aS)-4-Hydroxy-hexahydrocyclopenta[c]pyrrol-2(1H)-yl)-3-tosylurea ;
CAS:96860-37-6
GCZ50 :
Gliclazide 6+¦-Hydroxy ;

1-((3aR,5s,6aS)-5-Hydroxy-hexahydrocyclopenta[c]pyrrol-2(1H)-yl)-3-tosylurea ;
CAS:96860-48-9
GCZ52 :
Gliclazide 7+¦-Hydroxy ;

1-((3aS,4R,6R,6aS)-6-(Hydroxymethyl)-2,2-dimethyl-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-1H-1,2,4-triazole-3-carboxamide ;
CAS:69313-80-0
RBV63 :
Ribavirin RC 3 ;

1-((3R,4R)-4-Methyl-3-(methyl(7-nitroso-7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)propan-1-one ;
TFC57B :
Tofacitinib Pyrrole N-Nitroso Analog ;

1-((3R,4R)-4-Methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)ethanone ;
CAS:477600-76-3
TFC86 :
Tofacitinib Impurity Z ;

1-((3S,8R,9S,10R,13S,14S)-3-Hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)ethanone ;
CAS:1162-53-4
PNL60 :
Pregnenolone 16-Dehydro ;

1-((3S,8S,9S,10R,13S,14S,17S)-3-Hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)ethanone ;
CAS:145-13-1
PNL00 :
Pregnenolone ;

1-((3S,9S,10R,13S,14R,17S)-3-Hydroxy-10,13-dimethyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)ethanone ;
CAS:1158830-87-5
PNL78 :
Pregnenolone 7,8-Dehydro ;

1-((4-Chlorophenyl)(phenyl)methyl)piperazine ;
CAS:303-26-4
MCL08 :
Meclizine EP Impurity H ; Meclozine EP Impurity H ; Cetirizine EP Impurity A ; Levocetirizine EP Impurity I ; Hydroxyzine BP Impurity A ; N-Desalkyl Hydroxyzine ;

1-((5-(7-Chloro-2-methoxybenzo[b][1,5]naphthyridin-10-ylamino)-2-hydroxy-3-((2-oxopyrrolidin-1-yl)methyl)phenyl)methyl)pyrrolidin-2-one ;
PND66B
Pyronaridine RC 6 ; Pyronaridine M13 ;

1-((5-(7-Chloro-2-methoxybenzo[b][1,5]naphthyridin-10-ylamino)-2-hydroxy-3-(pyrrolidin-1-ylmethyl)phenyl)methyl)pyrrolidin-2-one ;
PND67B
Pyronaridine RC 7 ; Pyronaridine M10 ;

1-((5-Nitrofuran-2-yl)methylene)semicarbazide ;
CAS:59-87-0
NFN00 :
Nitrofurazone ; Nitrofural ;

1-((R)-3-(3-(3-Isopropyl-5-methyl-4H-1,2,4-triazol-4-yl)-8-azabicyclo[3.2.1]octan-8-yl)-1-phenylpropyl)-3-((1S)-3-(3-(3-isopropyl-5-methyl-4H-1,2,4-triazol-4-yl)-8-azabicyclo[3.2.1]octan-8-yl)-1- phenylpropyl) urea ;
MRV54 :
Maraviroc JCS Impurity-4 ;

1-((R)-3-(4-((3-((R)-3-(4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)-3-oxopropyl)amino)-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)prop-2-en-1-one ;
CAS:2031255-23-7
IBT97 :
Ibrutinib Dimer ;

1-((R)-3-(4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)-3-((R)-3-(4-methyl-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)propan-1-one ;
CAS:1987905-93-0
IBT56 ;
Ibrutinib Impurity 6 ;

1-((R)-3-(5-(3-((R)-3-(4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)-3-oxopropyl)-4-imino-3-(4-phenoxyphenyl)-4,5-dihydropyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)prop-2-en-1-one ;
CAS:2417548-76-4
IBT64 :
Ibrutinib Impurity 14 ;

1-({(4R,7S,10S,13S,16S,19R)-19-(Acetylamino)-7-(2-amino-2-oxoethyl)-10-(3-amino-3-oxopropyl)-16-(4-hydroxybenzoyl)-13-[(1S)-1-methylpropyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosan-4-yl}carbonyl)-L-prolyl-L-leucylgl
CAS:10551-48-1
OTN50 :
Oxytocin N-Acetyl Analog ;

1-({[2'-(1H-1,2,3,4-Tetrazol-5-yl)-4-biphenylyl]methyl}(isobutyl)amino)-1-pentanone ;
CAS:1314799-74-0
VST73 :
Valsartan RC 3 ; Valsartan Decarboxylic Acid ;

1-(1,1-Dimethylethyl)-3,5-dimethylbenzene ;
CAS:98-19-1
XMZ04 :
Xylometazoline EP Impurity D ;

1-(1-(1H-Imidazole-1-carbonyl)piperidin-4-yl)-1H-imidazo[4,5-b]pyridin-2(3H)-one ;
CAS:1373116-06-3
RMG65 :
Rimegepant RC 5 ;

1-(1-(2,6-Difluorobenzyl)-3-(6-methoxypyridazin-3-yl)-6-(4-(3-methoxyureido)phenyl)-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-5-yl)-N,N-dimethylmethanamine oxide ;
CAS:2814571-34-9
RLG53 :
Relugolix N-Oxide ;

1-(1-(4,4-Bis(4-Fluorophenyl)butyl)piperidin-4-yl)-5-hydroxy-1H-benzo[d]imidazol-2(3H)-one ;
PZD55 :
Pimozide 5-Hydroxy Impurity ;

1-(1-(4,4-Bis(4-Fluorophenyl)butyl)piperidin-4-yl)-6-hydroxy-1H-benzo[d]imidazol-2(3H)-one ;
PZD56 :
Pimozide 6-Hydroxy Impurity ;

1-(1-(4-Methoxyphenyl)-2-(methyl(nitroso)amino)ethyl)cyclohexanol ;
CAS:2680662-11-5
VLF49 :
Venlafaxine N-Nitroso Analog ; N-Nitroso Venlafaxine EP Impurity D ; N-Desmethyl N-Nitroso Venlafaxine ;

1-(1-Benzyl-1H-imidazol-4-yl)-1-(2,3-dimethylphenyl)ethanol ;
CAS:1587636-55-2
MDT66 :
Medetomidine RC6