Molcan Corporation (Page 5) @ ChemBuyersGuide.com, Inc.

Duloxetine N-Methyl (R)-Isomer Oxalate N-Methyl R-Duloxetine Oxalate
CAS:932013-45-1
DLX42X
(R)-(+)-N,N-Dimethyl-3-(1-naphthoxy)-3-(2-thienyl)-1-propylamine oxalate

Duloxetine N-Methyl (S)-Isomer (Base) N-Methyl (S)-Duloxetine
CAS:132335-46-7
DLX32B
(S)-(+)-N,N-Dimethyl-3-(1-naphthoxy)-3-(2-thienyl)-1-propylamine

Duloxetine N-Methyl (S)-Isomer (HCl) N-Methyl (S)-Duloxetine HCl
CAS:916135-70-1
DLX32H
(S)-(+)-N,N-Dimethyl-3-(1-naphthoxy)-3-(2-thienyl)-1-propylamine HCl

Duloxetine N-Methyl (S)-Isomer Oxalate N-Methyl (S)-Duloxetine Oxalate
CAS:132335-47-8
DLX32X
(S)-(+)-N,N-Dimethyl-3-(1-naphthoxy)-3-(2-thienyl)-1-propylamine oxalate

DULOXETINE N-METHYL 3-THIOPHENE ISOMER OXALATE
CAS:1384080-34-5
DLX46X
(3S)-N,N-Dimethyl-3-(naphthalen-1-yloxy)-3-(thiophen-3-yl)propan-1-amine oxalate

Duloxetine N-Nitroso Impurity
CAS:2680527-91-5
DLX48
N-Methyl-[3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl]nitrosoamine

DULOXETINE PHENYL CARBAMATE (R)-ISOMER
DLX84
(R)-Phenyl methyl(3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl)carbamate

DULOXETINE PHENYL CARBAMATE (S)-ISOMER
CAS:947686-09-1
DLX83
(S)-Phenyl methyl(3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl)carbamate

DULOXETINE PHENYL CARBAMATE RACEMATE
CAS:116817-79-9
DLX85
Phenyl methyl(3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl)carbamate

DULOXETINE PHTHALAMIDE
CAS:199191-67-8
DLX86
(S)-2-(Methyl(3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl)carbamoyl)benzoic acid

Duloxetine Racemate (Base)
CAS:116817-13-1
DLX50B
(?)-N-Methyl-?-(1-naphthalenyloxy)-2-thiophenepropanamine

Duloxetine Racemate (HCl)
CAS:947316-47-4
DLX50H
(?)-N-Methyl-?-(1-naphthalenyloxy)-2-thiophenepropanamine hydrochloride

DULOXETINE USP RC H (S)-DULOXETINE SUCCINAMIDE
CAS:199191-66-7
DLX28
(S)-4-(Methyl[3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl]amino)-4-oxobutanoic acid

DUTASTERIDE
CAS:164656-23-9
DTS00
N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-aza-5a-androst-1-ene-17�-carboxamide

DUTASTERIDE DIHYDRO IMPURITY
CAS:164656-22-8
DTS52
(5a,17�)-N-[2,5-Bis (trifluoromethyl)phenyl]-3-oxo-4-azaandrostane-17-carboxamide

Dutasteride EP Impurity A Finasteride Carboxylic Acid Dutasteride Carboxylic Acid
CAS:104239-97-6
DTS01
3-Oxo-4-aza-5a-androst-1-ene-17�-carboxylic acid

DUTASTERIDE EP IMPURITY B DUTASTERIDE DIMETHYLAMIDE
CAS:2512195-98-9
DTS02
N,N-Dimethyl-3-oxo-4-aza-5a-androst-1-ene-17�-carboxamide

DUTASTERIDE EP IMPURITY C DUTASTERIDE ETHYL ESTER
CAS:157307-36-3
DTS03
Ethyl 3-oxo-4-aza-5a-androst-1-ene-17�-carboxylate

DUTASTERIDE EP IMPURITY D 5,6-DEHYDRO-17A-DUTASTERIDE
DTS04
N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-azaandrost-1,5-diene-17a-carboxamide

DUTASTERIDE EP IMPURITY E 17A-DUTASTERIDE DUTASTERIDE 17-EPIMER
CAS:1796930-46-5
DTS05
N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-aza-5a-androst-1-ene-17a-carboxamide

DUTASTERIDE EP IMPURITY F CHLORO DUTASTERIDE 1-CHLORO DIHYDRO DUTASTERIDE
CAS:1365545-42-1
DTS06
N-[2,5-Bis(trifluoromethyl)phenyl]-1a-chloro-3-oxo-4-aza-5a-androstane-17�-carboxamide

Dutasteride EP Impurity G 5,6-Dehydro-17�-Dutasteride Dutasteride 5-Ene
CAS:1430804-85-5
DTS07
N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-azaandrost-1,5-diene-17�-carboxamide

DUTASTERIDE EP IMPURITY H DUTASTERIDE DIMER 1 DUTASTERIDE A-DIMER
DTS08
N-[2,5-Bis(Tri?uoromethyl)phenyl]-3-oxo-4-[3-oxo-4-aza-5a-androst-1-ene-17a-carbonyl]-4-aza-5a-androst-1-ene-17�-carboxamide

Dutasteride EP Impurity I Dutasteride Dimer 2 Dutasteride �-Dimer
CAS:1648593-70-7
DTS09
N-[2,5-Bis(Tri?uoromethyl)phenyl]-3-oxo-4-[3-oxo-4-aza-5a-androst-1-ene-17�-carbonyl]-4-aza-5a-androst-1-ene-17�-carboxamide

Dutasteride Methyl Ester Analog Finasteride EP Impurity B
CAS:103335-41-7
DTS53
Methyl 3-oxo-4-aza-5a-androst-1-ene-17�-carboxylate

DUVELISIB
CAS:1201438-56-3
DUV00
(S)-3-(1-(9H-Purin-6-ylamino)ethyl)-8-chloro-2-phenylisoquinolin-1(2H)-one

Duvelisib RC 1
CAS:1386861-46-6
DUV61
2-Chloro-6-methyl-N-phenylbenzamide

DYDROGESTERONE
CAS:152-62-5
DYD00
9�,10a-Pregna-4,6-diene-3,20-dione

DYDROGESTERONE BIS(ETHYLENE ACETAL)
CAS:5488-51-7
DYD52
(9�,10a)-Pregna-5,7-diene-3,20-dione cyclic 3,20-bis(1,2-ethanediyl acetal)

DYDROGESTERONE EP IMPURITY A
CAS:23035-53-2
DYD01
9�,10a-Pregna-4,6,8(14)-triene-3,20-dione

Dydrogesterone EP Impurity B Progesterone EP Impurity H Progesterone BP Impurity H ?6-Progesterone
CAS:1162-56-7
DYD02
Pregna-4,6-diene-3,20-dione

Dydrogesterone EP Impurity C 17a-Dydrogesterone
CAS:246038-13-1
DYD03
9�,10a,17a-Pregna-4,6-diene-3,20-dione

DYDROGESTERONE IMPURITY 1
CAS:1819-14-3
DYD51
1-((3S,9R,10S,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

EBASTINE
CAS:90729-43-4
EBN00
1-[4-(1,1-Dimethylethyl)phenyl]-4-[4-(diphenylmethoxy)-piperidin-1-yl]butan-1-one

Ebastine EP Impurity A Benzhydrol Diphenhydramine EP Impurity D Cyclizine EP Impurity B Dimenhydrinate EP Impurity I
CAS:91-01-0
EBN01
diphenylmethanol

EBASTINE EP IMPURITY B
CAS:943-27-1
EBN02
4-tert-Butylacetophenone

Ebastine EP Impurity C (Base) Desalkyl Ebastine
CAS:58258-01-8
EBN03B
4-(Diphenylmethoxy)piperidine

Ebastine EP Impurity C (HCl) Desalkyl Ebastine HCl
CAS:65214-86-0
EBN03H
4-(Diphenylmethoxy)piperidine HCl

EBASTINE EP IMPURITY D
CAS:97928-18-2
EBN04
1-[4-(1,1-Dimethylethyl)phenyl]-4-(4-hydroxypiperidin-1-yl)butan-1-one

EBASTINE EP IMPURITY E TERT-AMYL EBASTINE
CAS:1312211-93-0
EBN05
1-[4-(1,1-Dimethylpropyl)phenyl]-4-[4-(diphenylmethoxy)piperidin-1-yl]butan-1-one

Ebastine EP Impurity F Ebastine cis-N-Oxide Ebastine USP RC F
CAS:1429071-63-5
EBN06
1-[4-(1,1-Dimethylethyl)phenyl]-4-[cis-4-(diphenylmethoxy)-1-oxidopiperidin-1-yl]butan-1-one

EBASTINE EP IMPURITY G EBASTINE TRANS-N-OXIDE
CAS:1429071-65-7 1256285-71-8 (cis / trans)
EBN07
1-[4-(1,1-Dimethylethyl)phenyl]-4-[trans-4-(diphenylmethoxy)-1-oxidopiperidin-1-yl]butan-1-one

EBASTINE HYDROXY IMPURITY
CAS:210686-41-2
EBN50
4-[4-(Diphenylmethoxy)-1-piperidinyl]-1-[4-(2-hydroxy-1,1-dimethylethyl)phenyl]-1-butanone

EBERCONAZOLE NITRATE
CAS:130104-32-4
EBC00N
1-(2,4-Dichloro-10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-yl)-1H-imidazole nitrate

EBERCONAZOLE NITRATE 2-DESCHLORO IMPURITY
EBC52N
1-(4-Chloro-10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-yl)-1H-imidazole nitrate

EBERCONAZOLE NITRATE 2-METHYL ANALOG
EBC62N
1-(4-Chloro-2-methyl-10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-yl)-1H-imidazole nitrate

EBERCONAZOLE NITRATE 4-DESCHLORO IMPURITY
EBC54N
1-(2-Chloro-10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-yl)-1H-imidazole nitrate

EBERCONAZOLE NITRATE DIDESCHLORO IMPURITY
EBC72N
1-(10,11-Dihydro-5H-dibenzo[a,d][7]annulen-5-yl)-1H-imidazole nitrate

ECABET DEHYDROABIETIC ACID AMINOETHANOL SALT
CAS:642989-65-9
EBS52
Dehydroabietic Acid 2-Aminoethanol Salt

ECABET DEHYDROABIETIC ACID IMPURITY
CAS:1740-19-8 1231-75-0
EBS02
Dehydroabietic Acid

ECABET SODIUM
CAS:86408-72-2
EBS00N
Ecabet Sodium

ECONAZOLE
CAS:27220-47-9
ECZ00B
1-[(2RS)-2-[(4-Chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl]-1H-imidazole

Econazole EP Impurity A Miconazole EP Impurity A Fenticonazole EP Impurity A Enilconazole EP Impurity E Fenticonazole EP Impurity A Isoconazole EP Impurity B Isoconazole Nitrate EP Impurity A Tioconazole EP Impurity D
CAS:24155-42-8
ECZ01
(1RS)-1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)ethanol

Econazole EP Impurity B (Base) Econazole USP RC B
CAS:2334059-11-7
ECZ02B
(2RS)-2-[(4-chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethanamine

Econazole EP Impurity B (Nitrate) Econazole USP RC B
ECZ02N
(2RS)-2-[(4-Chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethanamine nitrate

Econazole EP Impurity C Econazole USP RC C
ECZ03
1-(4-Chlorobenzyl)-3-[(2RS)-2-[(4-chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl] imidazolium chloride

ECONAZOLE NITRATE
CAS:24169-02-6
ECZ00N
1-[(2RS)-2-[(4-Chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethyl]-1H-imidazole nitrate

EDARAVONE
CAS:89-25-8
ERV00
3-?Methyl-?1-?phenyl-?2-?pyrazolin-?5-?one 2,4-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one

EDARAVONE IMPURITY 1
ERV51N
Sodium 1-Hydroxy-2-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)propane-2-sulfonate

EDARAVONE IMPURITY 2
CAS:1357477-99-6
ERV52
2-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)-2-sulfopropanoic acid

EDARAVONE IMPURITY 3
ERV53N
Sodium 2-(5-Hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)propane-2-sulfonate

Edaravone Impurity 4 Bispyrazolone
CAS:7477-67-0 177415-76-8
ERV54
4-(5-Hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)-3-methyl-1-phenyl-1H-pyrazol-5-ol

EDARAVONE IMPURITY 5
CAS:124009-63-8
ERV55
4,4-bis(5-Hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one

EDARAVONE IMPURITY 6
ERV56
3-Methyl-1-phenyl-4,5-dihydro-1H-pyrazole-4,5-diol

EDARAVONE IMPURITY 7
ERV57
(Z)-3-Methyl-4-(3-methyl-5-oxo-1-phenyl-1H-pyrazol-4(5H)-ylidene)-1-phenyl-1H-pyrazol-5(4H)-one N-Oxide

EDARAVONE IMPURITY 8
CAS:27349-35-5
ERV58
5-Methoxy-3-methyl-1-phenyl-1H-pyrazole

EDARAVONE IMPURITY 9
CAS:1323485-71-7
ERV59
2-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic acid

EDARAVONE N-OXIDE
CAS:152494-76-3
ERV70
3-?Methyl-?1-?phenyl-?2-?pyrazolin-?5-?one 2,4-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one N-Oxide

EDOXABAN (BASE) (S,R,S)-EDOXABAN
CAS:480449-70-5
EDX00B
N-(5-Chloro-2-pyridinyl)-N�-[(1S,2R,4S)-4-[(dimethylamino)carbonyl]-2-[[(4,5,6,7-tetrahydro-5-methylthiazolo[5,4-c]pyridin-2-yl)carbonyl]amino]cyclohexyl]-ethanediamide

EDOXABAN (RRR)-ISOMER
CAS:1255529-24-8
EDX51
N1-(5-Chloropyridin-2-yl)-N2-((1R,2R,4R)-4-(dimethylcarbamoyl)-2-(5-methyl- 4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamido)cyclohexyl)oxalamide

EDOXABAN (RRS)-ISOMER 1-EPI-EDOXABAN
CAS:500572-10-1
EDX52
N1-(5-Chloropyridin-2-yl)-N2-((1R,2R,4S)-4-(dimethylcarbamoyl)-2-(5-Methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamido)cyclohexyl)oxalamide

EDOXABAN (RSS)-ISOMER
CAS:1255529-25-9
EDX54
N1-(5-Chloropyridin-2-yl)-N2-((1R,2S,4S)-4-(dimethylcarbamoyl)-2-(5-methyl- 4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamido)cyclohexyl)oxalamide

EDOXABAN (TOSYLATE MONOHYDRATE)
CAS:1229194-11-9
EDX00T
N-(5-Chloropyridin-2-yl)-N�-((1S,2R,4S)-4-[(dimethyl amino)carbonyl]-2-[[(5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)carbonyl]amino]cyclohexyl)ethanediamide p-toluenesulfonate monohydrate

EDOXABAN AMINO T-BOC IMPURITY
CAS:365998-36-3
EDX55
t-Butyl ((1R,2S,5S)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate

EDOXABAN AZIDO T-BOC IMPURITY
CAS:480450-69-9
EDX56
t-Butyl N-[(1R,2S,5S)-2-azido-5-(dimethylcarbamoyl)cyclohexyl]carbamate

EDOXABAN CYCLOHEXANE ETHYL ESTER (R,R,R)-ISOMER
CAS:1392745-70-8
EDX57
(1R,3R,4R)-3-Amino-4-hydroxy-cyclohexanecarboxylic acid ethyl ester

EDOXABAN CYCLOHEXANE ETHYL ESTER (S,S,S)-ISOMER
EDX58
(1S,3S,4S)-3-Amino-4-hydroxy-cyclohexanecarboxylic acid ethyl ester

EDOXABAN EP IMPURITY C EDOXABAN (SSS)-ISOMER
CAS:1255529-27-1
EDX03
N1-(5-Chloropyridin-2-yl)-N2-((1S,2S,4S)-4-(dimethylcarbamoyl)-2-(5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamido)cyclohexyl)oxalamide

EDOXABAN EP IMPURITY G EDOXABAN (SRR)-ISOMER
CAS:1255529-26-0
EDX07
N1-(5-Chloropyridin-2-yl)-N2-((1S,2R,4R)-4-(dimethylcarbamoyl)-2-(5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamido)cyclohexyl)oxalamide

EDOXABAN EP IMPURITY H EDOXABAN (SSR)-ISOMER
CAS:1255529-28-2
EDX08
N-(5-Chloropyridin-2-yl)-N�-[(1S,2S,4R)-4-[(dimethylamino)carbonyl]-2-[[(5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)carbonyl]amino]cyclohexyl]ethanediamide

Edoxaban EP Impurity I Edoxaban (RSR)-Isomer ent-Edoxaban
CAS:1255529-23-7
EDX09
N1-(5-Chloropyridin-2- yl)-N2-((1R,2S,4R)-4-(dimethylcarbamoyl)-2-(5- methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine- 2-carboxamido)cyclohexyl)oxalamide

EDOXABAN HYDROXY T-BOC IMPURITY
CAS:929693-30-1
EDX59
t-Butyl N-[(1R,2R,5S)-5-(dimethylcarbamoyl)-2-hydroxycyclohexyl]carbamate

EDOXABAN M1 (ACID)
CAS:767625-11-6
EDX61A
2-(((1S,2R,4S)-4-(Dimethylcarbamoyl)-2-(5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamido)cyclohexyl)amino)-2-oxoacetic acid

EDOXABAN M1 (LITHIUM SALT)
EDX61L
2-(((1S,2R,4S)-4-(Dimethylcarbamoyl)-2-(5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamido)cyclohexyl)amino)-2-oxoacetic acid lithium salt

Edoxaban M2 (2HCl) (1R, 2S, 5S)-2-Amino Edoxaban Dihydrochloride
EDX62H
N-((1R,2S,5S)-2-Amino-5-(dimethylcarbamoyl)cyclohexyl)-5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamide dihydrochloride

Edoxaban M2 (Base0 (1R, 2S, 5S)-2-Amino Edoxaban
CAS:480450-71-3
EDX62B
N-((1R,2S,5S)-2-Amino-5-(dimethylcarbamoyl)cyclohexyl)-5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamide

EDOXABAN M4 EDOXABAN 4-CARBOXYLIC ACID
CAS:834919-19-6
EDX64
(1S,3R,4S)-4-[[2-[(5-Chloro-2-pyridinyl)amino]-2-oxoacetyl]amino]-3-[[(4,5,6,7-tetrahydro-5-methylthiazolo[5,4-c]pyridin-2-yl)carbonyl]amino]cyclohexanecarboxylic acid

EDOXABAN M5 EDOXABAN N-OXIDE
CAS:2244103-96-4
EDX65B
2-(((1R,2S,5S)-2-(2-((5-Chloropyridin-2-yl)amino)-2-oxoacetamido)-5-(dimethylcarbamoyl) cyclohexyl)carbamoyl)-5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine 5-oxide

EDOXABAN M6 EDOXABAN N-DESMETHYL HCL
CAS:480449-52-3
EDX66H
N1-(5-Chloro-2-pyridinyl)-N2-[(1S,2R,4S)-4-[(dimethylamino)carbonyl]-2-[[(4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)carbonyl]amino]cyclohexyl]ethanediamide hydrochloride

EDOXABAN M7
EDX67
N1-(5-Chloropyridin-2-yl)-N2-((1S,2R,4S)-4-((hydroxymethyl)(methyl)carbamoyl)-2-(5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamido)cyclohexyl)oxalamide

EDOXABAN M8 (BASE)
CAS:740794-83-6
EDX68B
N1-(5-Chloropyridin-2-yl)-N2-((1S,2R,4S)-2-(5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamido)-4-(methylcarbamoyl)cyclohexyl)oxalamide

EDOXABAN M8 (HCL)
CAS:500572-21-4
EDX68H
N1-(5-Chloropyridin-2-yl)-N2-((1S,2R,4S)-2-(5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxamido)-4-(methylcarbamoyl)cyclohexyl)oxalamide HCl

EDOXABAN PYRIDINE ETHYL ESTER IMPURITY (HCL)
CAS:1243308-37-3
EDX69H
2-[(5-Chloropyridin-2-yl)amino]-2-oxoacetic acid ethyl ester hydrochloride

EDOXABAN RC 1
CAS:259809-24-0
EDX71
5-Methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine

EDOXABAN RC 2 (BASE)
CAS:758685-72-2
EDX72B
5-Methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic acid

EDOXABAN RC 2 (HCL)
CAS:720720-96-7
EDX72H
5-Methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic acid hydrochloride

Edoxaban RC 3
CAS:1072-98-6
EDX73B
2-Amino-5-chloropyridine

Edoxaban RC 4
CAS:480452-37-7
EDX74B
N1-((1S, 2R,4S)-2-Amino-4-(dimethylcarbamoyl)cyclohexyl)- N2-(5-chloro pyridin-2-yl)oxalamide

Edoxaban RC 5
CAS:480452-36-6
EDX75B
t-Butyl (1R,2S,5S)-2-(2-(5-chloropyridin-2-ylamino)-2-oxoacetamido)-5-(dimethylcarbamoyl)cyclohexyl carbamate

EFAVIRENZ (S)-EFAVIRENZ
CAS:154598-52-4
EFV00
(S)-6-Chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one

Efavirenz Amino Alcohol Ethyl Carbamate (USP) Efavirenz USP Impurity L
CAS:211563-41-6
EFV49
(S)-Ethyl 4-chloro-2-(4-cyclopropyl-1,1,1-trifluoro-2-hydroxybut-3-yn-2-yl)phenylcarbamate

Efavirenz Benzoyl Amino Alcohol (Racemate) Efavirenz N-Methoxybenzoyl Amino Alcohol (Racemate)
CAS:1189491-03-9
EFV50
N-(4-Chloro-2-(4-cyclopropyl-1,1,1-trifluoro-2-hydroxybut-3-yn-2-yl) phenyl)-4-methoxybenzamide

Efavirenz bis-Ethoxycarbonyl Impurity Efavirenz Amino Alcohol bis-Ethoxycarbonyl Impurity Efavirenz USP Impurity N
EFV48
(S)-Ethyl 4-chloro-2-[4-cyclopropyl-2-(ethoxycarbonyloxy)-1,1,1-trifluorobut-3-yn-2-yl]phenylcarbamate

Efavirenz Cyclobutenylindole Analog Efavirenz USP Impurity P
CAS:2177283-35-9
EFV69
Ethyl 5-chloro-2-cyclobutenyl-3-(trifluoromethyl)-1H-indole-1-carboxylate

EFAVIRENZ ENANTIOMER (R)-EFAVIRENZ
CAS:154801-74-8
EFV70
(R)-6-Chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one

Efavirenz IP Impurity A Efavirenz USP Impurity J Efavirenz Benzoyl Amino Alcohol (USP) Efavirenz N-Methoxybenzoyl Amino Alcohol S-Isomer
CAS:353270-77-6
EFV51
N-(4-Chloro-2-((2S)-4-cyclopropyl-1,1,1-trifluoro-2-hydroxybut-3-yn-2-yl) phenyl)-4-methoxybenzamide

Efavirenz IP Impurity B Efavirenz USP RC B Efavirenz USP Impurity B Efavirenz Ethene Analog (USP) (E)-Dihydro Efavirenz
CAS:440124-96-9
EFV52
(S,E)-6-Chloro-4-(2-cyclopropylvinyl)-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one

EFAVIRENZ IP IMPURITY C
EFV53
(4S)-6-Chloro-4-(pent-1-ynyl)-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one

EFAVIRENZ IP IMPURITY D
EFV54
(4S)-6-Chloro-4-(2-cyclopropyleth-1-yn-1-yl)-1-[(4-methoxyphenyl)methyl]-4-(trifluoromethyl)-1,4-dihydro-2H-3,1-benzoxazin-2-one

Efavirenz IP Impurity E Efavirenz USP RC A Efavirenz USP Impurity A Efavirenz Amino Alcohol (USP)
CAS:209414-27-7
EFV55
(S)-2-(2-Amino-5-chlorophenyl)-4-cyclopropyl-1,1,1-trifluorobut-3-yn-2-ol

Efavirenz IP Impurity F Efavirenz USP RC C Efavirenz Quinoline Analog (USP) Efavirenz USP Impurity K
CAS:391860-73-4
EFV56
6-Chloro-2-cyclopropyl-4-(trifluoromethyl)quinoline

EFAVIRENZ IP IMPURITY G
EFV57
(S)-6-Chloro-4-[2-(2-methylcyclopropyl)eth-1-yn-1-yl]-4-(trifluoromethyl)-1,4-dihydro-2H-3,1-benzoxazin-2-one

Efavirenz IP Impurity H Efavirenz Amino Alcohol Methyl Carbamate (USP)
CAS:211563-40-5
EFV58
Methyl {4-chloro-2-[(2S)-4-cyclopropyl-1,1,1-trifluoro-2-hydroxybut-3-yn-1-yl]phenyl}carbamate

EFAVIRENZ IP IMPURITY I
CAS:173676-60-3
EFV59
(2S)-2-(5-Chloro-2-{[(4-methoxyphenyl)methyl]amino}phenyl)-4-cyclopropyl-1,1,1-trifluorobut-3-yn-2-ol

EFAVIRENZ IP IMPURITY J
CAS:209414-26-6
EFV60
(2RS,4S)-6-Chloro-4-(2-cyclopropyleth-1-yn-1-yl)-2-(4-methoxyphenyl)-4-(trifluoromethyl)-1,4-dihydro-2H-3,1-benzoxazine

EFAVIRENZ N-METHOXYBENZYL IMPURITY (USP) N-BENZYL EFAVIRENZ (USP)
CAS:174819-21-7
EFV79
(S)-6-Chloro-4-(cyclopropylethynyl)-1-(4-methoxybenzyl)-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one

EFAVIRENZ PENT-3-ENE-1-YNE IMPURITY (USP)
EFV43
(S)-6-Chloro-4-(pent-3-en-1-ynyl)-4-(trifluoromethyl)-1H-benzo[d][1,3]oxazin-2(4H)-one

Efavirenz Penteneyne Impurity (USP) Efavirenz USP Impurity E
EFV45
(S)-6-Chloro-4-(3-methylbut-3-en-1-ynyl)-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one

Efavirenz Pentyne Analog (Racemate) Efavirenz USP Impurity F (Racemate)
CAS:205755-86-8
EFV46
6-Chloro-4-(pent-1-ynyl)-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one

EFAVIRENZ RACEMATE RAC-EFAVIRENZ
CAS:177530-93-7
EFV80
(RS)-6-Chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one

EFAVIRENZ RC 1 (BASE)
CAS:154598-53-5
EFV81B
1-(2-Amino-5-chlorophenyl)-2,2,2-trifluoroethanone

EFAVIRENZ RC 1 (HCL)
CAS:173676-59-0
EFV81H
1-(2-Amino-5-chlorophenyl)-2,2,2-trifluoroethanone HCl

EFAVIRENZ RC 2
CAS:173676-54-5
EFV82B
1-(2-(4-Methoxybenzylamino)-5-chlorophenyl)-2,2,2-trifluoroethanone

Efinaconazole (2R,3R)-Diol Impurity (Base) (2R,3R)-Efinaconazole Diol
CAS:133775-25-4
EFC71B
(2R,3R)- 2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2,3-butanediol

Efinaconazole (2R,3R)-Diol Impurity (Mesylate) (2R,3R)-Efinaconazole Diol Mesylate
CAS:1175536-50-1
EFC71M
(2R,3R)- 2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2,3-butanediol mesylate

EFINACONAZOLE (2R,3S)-DIOL IMPURITY
CAS:135270-11-0
EFC72
(2R,3S)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol

Efinaconazole (2R,3S)-Isomer (Oxalate)
EFC51X
(2R,3S)-2-(2,4-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol oxalate

EFINACONAZOLE (2S,3R)-DIOL IMPURITY
CAS:135272-36-5
EFC73
(2S,3R)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol

EFINACONAZOLE (2S,3R)-ISOMER (BASE)
CAS:2055038-61-2
EFC52B
(2S,3R)-2-(2,4-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

EFINACONAZOLE (2S,3R)-ISOMER (OXALATE)
EFC52X
(2S,3R)-2-(2,4-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol oxalate

EFINACONAZOLE (2S,3S)-DIOL IMPURITY
CAS:135270-05-2
EFC74
(2S,3S)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl) butane-2,3-diol

EFINACONAZOLE (R,R)-EFINACONAZOLE
CAS:164650-44-6
EFC00
(aR,�R)-a-(2,4-Difluorophenyl)-�-methyl-4-methylene-a-(1H-1,2,4-triazol-1-ylmethyl)-1-piperidineethanol

EFINACONAZOLE 2,3-DIFLUORO IMPURITY
EFC54
(2R,3R)-2-(2,3-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(4H-1,2,4-triazol-4-yl)butan-2-ol

EFINACONAZOLE 2,4-DIDESFLUORO IMPURITY
EFC80
(2R,3R)-3-(4-Methylidenepiperidin-1-yl)-2-phenyl-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

EFINACONAZOLE 2,5-DIFLUORO IMPURITY
EFC55
(2R,3R)-2-(2,5-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(4H-1,2,4-triazol-4-yl)butan-2-ol

EFINACONAZOLE 2,6-DIFLUORO IMPURITY
EFC56
(2R,3R)-2-(2,6-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(4H-1,2,4-triazol-4-yl)butan-2-ol

Efinaconazole 2-Desfluoro Impurity Efinaconazole Impurity F
EFC82H
(2R,3R)-2-(4-Fluorophenyl)-3-(4-methylidenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol HCl

EFINACONAZOLE 3,4-DIFLUORO IMPURITY
EFC57
(2R,3R)-2-(3,4-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(4H-1,2,4-triazol-4-yl)butan-2-ol

EFINACONAZOLE 4-DESFLUORO IMPURITY
EFC84H
(2R,3R)-2-(2-Fluorophenyl)-3-(4-methylidenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol HCl

EFINACONAZOLE 4-METHYLPIPERIDINE IMPURITY (BASE)
CAS:148133-82-8
EFC40B
4-Methylenepiperidine

EFINACONAZOLE 4-METHYLPIPERIDINE IMPURITY (HCL)
CAS:144230-50-2
EFC40H
4-Methylenepiperidine hydrochloride

Efinaconazole Diol 2,3-Difluoro Impurity (2R,3R)-Efinaconazole Diol 2,3-Diflouro Analog
EFC58
(2R,3R)-2-(2,3-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol

Efinaconazole Diol 2,5-Difluoro Impurity (2R,3R)-Efinaconazole Diol 2,5-Diflouro Analog
EFC59
(2R,3R)-2-(2,5-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol

Efinaconazole Diol 2,6-Difluoro Impurity (2R,3R)-Efinaconazole Diol 2,6-Diflouro Analog
EFC60
(2R,3R)-2-(2,6-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol

Efinaconazole Diol 3,4-Difluoro Impurity (2R,3R)-Efinaconazole Diol 3,4-Diflouro Analog
EFC41
(2R,3R)-2-(3,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol

Efinaconazole Enantiomer (S,S)-Efinaconazole Efinaconazole (S,S)-Isomer
CAS:164650-45-7
EFC50
(aS,�S)-a-(2,4-Difluorophenyl)-�-methyl-4-methylene-a-(1H-1,2,4-triazol-1-ylmethyl)-1-piperidineethanol

EFINACONAZOLE EPOXY IMPURITY (R,R)-EFINACONAZOLE EPOXIDE
CAS:135270-13-2
EFC75
(2R,3R)-2-(2,4-Difluorophenyl)-3-methyl-2-[(1H-1,2,4-triazol-1-yl)methyl]oxirane

EFINACONAZOLE IMPURITY 1 (BASE)
CAS:58013-32-4
EFC61B
4-(chloromethyl)piperidine

EFINACONAZOLE IMPURITY 1 (HCL)
CAS:1822-61-3
EFC61H
4-(Chloromethyl)piperidine hydrochloride

EFINACONAZOLE IMPURITY 2 (BASE)
CAS:6457-49-4
EFC62B
(4-Piperidinyl)methanol

EFINACONAZOLE IMPURITY 2 (HCL)
CAS:90748-01-9
EFC62H
(4-Piperidinyl)methanol hydrochloride

Efinaconazole Impurity 3 Efinaconazole Pyrrolidine Analog
CAS:2252350-11-9
EFC63
(2R,3R)-3-((1H-1,2,4-Triazol-1-yl)methyl)-6-fluoro-3-hydroxy-2-methyl-4'-methylenespiro[indoline-1,1'-piperidin]-1-ium fluoride

EFINACONAZOLE IMPURITY 4 (HCL)
CAS:95019-16-2
EFC64H
4-Methyl-1,2,3,6-tetrahydropyridine hydrochloride

EFINACONAZOLE IMPURITY 5
CAS:2055912-03-1
EFC65
(2R,3R)-2-(2-Fluoro-4-(4-methylenepiperidin-1-yl)phenyl)-3-(4-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

EFINACONAZOLE IMPURITY 6
EFC66
(R)-3-(2,4-Difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-one

Efinaconazole Keto Impurity Fluconazole EP Impurity E Fluconazole Keto Impurity Voriconazole EP Impurity A Voriconazole USP RC C
CAS:86404-63-9
EFC42
1-(2,4-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone

EICOSAPENTAENOIC ACID
CAS:10417-94-4
EPC00
(5Z,8Z,11Z,14Z,17Z)-5,8,11,14,17-Eicosapentaenoic acid

EICOSAPENTAENOIC ACID ETHYL ESTER
CAS:86227-47-6
EPC52
(5Z,8Z,11Z,14Z,17Z)-5,8,11,14,17-Eicosapentaenoic acid ethyl ester

Elagolix (Acid)
CAS:834153-87-6
EGX00A
(R)-4-(2-(3-(2-Fluoro-6-(trifluoromethyl)benzyl)-5-(2-fluoro-3-methoxyphenyl)-4-methyl-2,6-dioxo-2,3-dihydropyrimidin-1(6H)-yl)-1-phenylethylamino)butanoic acid

Elagolix (Sodium) Elagolix Sodium
CAS:832720-36-2
EGX00N
Sodium (R)-4-(2-(3-(2-fluoro-6-(trifluoromethyl)benzyl)-5-(2-fluoro-3-methoxyphenyl)-4-methyl-2,6-dioxo-2,3-dihydropyrimidin-1(6H)-yl)-1-phenylethylamino)butanoate

Elagolix Desbutyrate
CAS:830346-50-4
EGX50
(R)-1-(2-Fluoro-6-(trifluoromethyl)benzyl)-3-(2-amino-2-phenylethyl)-5-(2-fluoro-3-methoxyphenyl)-6-methylpyrimidine-2,4(1H,3H)-dione

Elagolix N-BOC Analog
CAS:830346-51-5
EGX51
(R)-tert-Butyl 2-(3-(2-fluoro-6-(trifluoromethyl)benzyl)-5-(2-fluoro-3-methoxyphenyl)-4-methyl-2,6-dioxo-2,3-dihydropyrimidin-1(6H)-yl)-1-phenylethylcarbamate

Elagolix RC 1
CAS:830346-49-1
EGX61
(R)-tert-Butyl 2-(3-(2-fluoro-6-(trifluoromethyl)benzyl)-5-bromo-4-methyl-2,6-dioxo-2,3-dihydropyrimidin-1(6H)-yl)-1-phenylethylcarbamate

Elagolix RC 2
CAS:830346-48-0
EGX62
1-(2-Fluoro-6-(trifluoromethyl)benzyl)-5-bromo-6-methylpyrimidine-2,4(1H,3H)-dione

Elagolix RC 3
CAS:102089-75-8
EGX63
(R)-2-(tert-Butoxycarbonyl)-2-phenylethyl methanesulfonate

Elagolix RC 4
CAS:1150560-59-0
EGX64
1-(2-Fluoro-6-(trifluoromethyl)benzyl)-5-(2-fluoro-3-methoxyphenyl)-6-methylpyrimidine-2,4(1H,3H)-dione

Elagolix RC 5
CAS:1150560-54-5
EGX65
1-(2-Fluoro-6-(trifluoromethyl)benzyl)-5-iodo-6-methylpyrimidine-2,4(1H,3H)-dione

Elagolix RC 6
CAS:2248628-93-3
EGX66
(R)-1-(2-Fluoro-6-(trifluoromethyl)benzyl)-5-(2-fluoro-3-methoxyphenyl)-6-methyl-3-(2-(2-oxopyrrolidin-1-yl)-2-phenylethyl)pyrimidine-2,4(1H,3H)-dione

Eletriptan (Base)
CAS:143322-58-1
ETT00B
3-[[(2R)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole

Eletriptan (HBr)
CAS:177834-92-3
ETT00H
3-[[(2R)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole HBr

ELETRIPTAN (S)-ISOMER ELETRIPTAN ENANTIOMER
CAS:1252673-29-2
ETT50B
3-[[(2S)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole

Eletriptan 5-Acetyl Impurity
CAS:167302-66-1
ETT76B
5-Acetyl-3-[[(2R)-1-methyl-2-pyrrolidinyl]methyl]-1H-indole

Eletriptan Acetonyl Impurity
ETT56B
1-((5R)-1-Methyl-5-((5-(2-(phenylsulfonyl)ethyl)-1H-indol-3-yl)methyl)pyrrolidin-2-yl)propan-2-one

Eletriptan Dihydro Impurity
ETT55B
3-(((R)-1-Methylpyrrolidin-2-yl)methyl)-5-(2-(phenylsulfonyl)ethyl)indoline

ELETRIPTAN IMPURITY A
CAS:143322-55-8
ETT61B
(R)-3-((1-Methylpyrrolidin-2-yl)methyl)-1H-indole

Eletriptan Impurity B Eletriptan USP RC B
CAS:143322-57-0
ETT62B
(R)-5-Bromo-3-((1-methylpyrrolidin-2-yl)methyl)-1H-indole

ELETRIPTAN IMPURITY C ELETRIPTAN DEHYDRO IMPURITY
CAS:188113-72-6 180637-89-2
ETT63B
3-[[(2R)-1-Methyl-2-pyrrolidinyl]methyl]-5-[(1E)-2-(phenylsulfonyl)ethenyl]-1H-indole

Eletriptan Impurity D Eletriptan Des-dimethylpyrrolidine
CAS:1225327-16-1
ETT64B
5-[2-(Phenylsulfonyl)ethyl]-1H-indole

ELETRIPTAN IMPURITY E
ETT65B
(R)-Benzyl 2-(5-Ethyl-1H-indole-3-carbonyl)pyrrolidine-1-carboxylate

ELETRIPTAN IMPURITY F
CAS:209682-64-4
ETT66B
5-Ethyl-3-[[(2R)-1-methyl-2-pyrrolidinyl]methyl]-1H-indole

ELETRIPTAN IMPURITY G
CAS:1181222-90-1
ETT67B
(R)-3-((1-Methylpyrrolidin-2-yl)methyl)-1,5-bis(2-(phenylsulfonyl)ethyl)-1H-indole

Eletriptan Impurity H Eletriptan Dimer (R,S,R)-Isomer
ETT68B
3-(((R)-1-Methylpyrrolidin-2-yl)methyl)-1-((S)-1-(3-(((R)-1-methylpyrrolidin-2-yl)methyl)-1H-indol-5-yl)-2-(phenylsulfonyl)ethyl)-5-(2-(phenylsulfonyl)ethyl)-1H-indole

Eletriptan Impurity I Eletriptan Dimer (R,R,R)-Isomer
ETT69B
3-(((R)-1-Methylpyrrolidin-2-yl)methyl)-1-((R)-1-(3-(((R)-1-methylpyrrolidin-2-yl)methyl)-1H-indol-5-yl)-2-(phenylsulfonyl)ethyl)-5-(2-(phenylsulfonyl)ethyl)-1H-indole

ELETRIPTAN IMPURITY J
CAS:6163-58-2
ETT70
Tris(2-methylphenyl)phosphine

Eletriptan Impurity K Tri-o-tolyl-Phosphine Oxide
CAS:6163-63-9
ETT71
Tris(2-methylphenyl)phosphine oxide

Eletriptan N-Acetyl Dehydro Impurity
CAS:188113-71-5
ETT52B
1-Acetyl-3-[[(2R)-1-methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethenyl]- 1H-indole

Eletriptan N-Acetyl Impurity
ETT53B
3-[[(2R)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-N-acetyl-indole

Eletriptan N-Desmethyl Impurity (Base)
CAS:153525-55-4
ETT51B
3-[[(2R)-2-Pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole

Eletriptan N-Desmethyl Impurity (HCl)
CAS:1391054-78-6
ETT51H
3-[[(2R)-2-Pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole HCl

Eletriptan N-Hydroxymethyl Impurity
ETT54B
3-[[(2R)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-N-hydroxymethyl-indole

ELETRIPTAN N-OXIDE ELETRIPTAN IMPURITY L
CAS:1217641-89-8
ETT72B
3-[[(2R)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole N-Oxide

ELEXACAFTOR
CAS:2216712-66-0
ELX00
N-(1,3-Dimethyl-1H-pyrazol-4-ylsulfonyl)-6-(3-(3,3,3-trifluoro-2,2-dimethylpropoxy)-1H-pyrazol-1-yl)-2-((S)-2,2,4-trimethylpyrrolidin-1-yl)nicotinamide

Elexacaftor RC 1
CAS:2229861-18-9
ELX51
2-Chloro-N-(1,3-dimethyl-1H-pyrazol-4-ylsulfonyl)-6-(3-(3,3,3-trifluoro-2,2-dimethylpropoxy)-1H-pyrazol-1-yl)nicotinamide

Elexacaftor RC 2
CAS:2229861-17-8
ELX52
2-Chloro-6-(3-(3,3,3-trifluoro-2,2-dimethylpropoxy)-1H-pyrazol-1-yl)nicotinic acid

Elexacaftor RC 3
ELX53
tert-Butyl 2-chloro-6-(3-(3,3,3-trifluoro-2,2-dimethylpropoxy)-1H-pyrazol-1-yl)nicotinate

Elexacaftor RC 4
CAS:1013647-75-0
ELX54
tert-Butyl 2,6-dichloronicotinate

Elexacaftor RC 5
CAS:2229861-15-6
ELX55
3-(3,3,3-Trifluoro-2,2-dimethylpropoxy)-1H-pyrazole

Elexacaftor RC 6
ELX56
tert-Butyl 3-(3,3,3-trifluoro-2,2-dimethylpropoxy)-1H-pyrazole-1-carboxylate

Elexacaftor RC 7
CAS:1895296-01-1
ELX57
3,3,3-Trifluoro-2,2-dimethylpropan-1-ol

Elexacaftor RC 8
CAS:2088458-39-1
ELX58
tert-Butyl 5-oxo-1H-pyrazole-2(5H)-carboxylate

Elexacaftor RC 9
CAS:1897428-40-8
ELX59
(S)-2,2,4-Trimethylpyrrolidine hydrochloride

ELIGLUSTAT (1R,2S)-ISOMER (HEMITARTRATE)
EGS52T
N-[(1R,2S)-1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1-hydroxy-3-pyrrolidin-1-ylpropan-2-yl]octanamide hemitartrate

ELIGLUSTAT (1S,2R)-ISOMER (HEMITARTRATE)
EGS53T
N-[(1S,2R)-1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1-hydroxy-3-pyrrolidin-1-ylpropan-2-yl]octanamide hemitartrate

Eliglustat (1S,2S)-Isomer (Base) Eliglustat Enantiomer
CAS:1092472-70-2
EGS54B
N-[(1S,2S)-1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1-hydroxy-3-pyrrolidin-1-ylpropan-2-yl]octanamide

Eliglustat (1S,2S)-Isomer (Hemitartrate) Eliglustat Enantiomer Hemitartrate
EGS54T
N-[(1S,2S)-1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1-hydroxy-3-pyrrolidin-1-ylpropan-2-yl]octanamide hemitartrate

Eliglustat (Base)
CAS:491833-29-5
EGS00B
N-[(1R,2R)-1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1-hydroxy-3-pyrrolidin-1-ylpropan-2-yl]octanamide

Eliglustat (hemitartrate)
CAS:928659-70-5
EGS00T
N-[(1R,2R)-1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1-hydroxy-3-pyrrolidin-1-ylpropan-2-yl]octanamide hemitartrate

ELIGLUSTAT IMPURITY 1
CAS:1092465-25-2
EGS61
(1R,2S)-1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-(2-(2-hydroxy-1-phenylethylamino)ethylamino)-3-(pyrrolidin-1-yl)propan-1-ol

ELIGLUSTAT IMPURITY 10
CAS:2193051-88-4
EGS70
N-((1R,2R)-1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-1-hydroxy-3-(pyrrolidin-1-yl)propan-2-yl)hexanamide

Eliglustat Impurity 2 Eliglustat N-Acetyl
CAS:2219353-50-9
EGS62
N-((1R,2R)-1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-1-hydroxy-3-(pyrrolidin-1-yl)propan-2-yl)acetamide

ELIGLUSTAT IMPURITY 3
CAS:924012-02-2
EGS63
(S)-2-(2-Hydroxy-1-phenylethylamino)acetic acid

Eliglustat Impurity 4 Eliglustat Phenyl Amino Alcohol
CAS:491833-27-3
EGS64
(1R,2R)-1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((S)-2-hydroxy-1-phenylethylamino)-3-(pyrrolidin-1-yl)propan-1-ol

Eliglustat Impurity 5 Eliglustat Amide Amino Alcohol
CAS:686710-19-0
EGS65
(2S,3R)-2-Amino-3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-3-hydroxy-1-(pyrrolidin-1-yl)propan-1-one

Eliglustat Impurity 6 Eliglustat Acetamide Amino Alcohol
CAS:491833-26-2
EGS66
(2S,3R)-3-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-hydroxy-2-((S)-2-hydroxy-1-phenylethylamino)-1-(pyrrolidin-1-yl)propan-1-one

Eliglustat Impurity 7 Eliglustat Caprylic Acid N-Succinimidyl Ester
CAS:14464-30-3
EGS67
2,5-DIOXOPYRROLIDIN-1-YL OCTANOATE

Eliglustat Impurity 8 Eliglustat Octanoic Acid
CAS:124-07-2
EGS68
Octanoic acid

ELIGLUSTAT IMPURITY 9
EGS69
N-(1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-1-oxoprop-2-en-2-yl)octanamide

ELTROMBOPAG
CAS:496775-61-2
EBP00
3�-[2-[(2Z)-1-(3,4-Dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazinyl]-2�-hydroxy-[1,1�-biphenyl]-3-carboxylic acid

Eltrombopag AHPBA Impurity Eltrombopag Amino Impurity
CAS:376592-93-7
EBP58
3-(3-amino-2-hydroxyphenyl)benzoic acid

ELTROMBOPAG AMIDE
CAS:1246929-02-1
EBP50
3�-[(2Z)-2-[1-(3,4-Dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazinyl]-2�-hydroxy-[1,1�-Biphenyl]-3-carboxamide

ELTROMBOPAG ETHYL ESTER
EBP52
3�-[(2Z)-2-[1-(3,4-Dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazinyl]-2�-hydroxy-[1,1�-Biphenyl]-3-carboxylic Acid Ethyl Ester

ELTROMBOPAG GLUCURONIDE
EBP53
1-[3�-[(2Z)-2-[1-(3,4-Dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene-3-14C]hydrazinyl]-2�-hydroxy[1,1�-biphenyl]-3-carboxylate]-�-D-glucopyranuronic Acid

Eltrombopag HPBA Impurity Eltrombopag Hydroxy Impurity
CAS:893736-72-6
EBP57
3-(2-hydroxyphenyl)benzoic acid

ELTROMBOPAG IMPURITY 1
CAS:277299-70-4
EBP56
1-(3,4-Dimethylphenyl)-3-methyl-1H-pyrazol-5(4H)-one

Eltrombopag Methoxy Analog
CAS:1437383-35-1
EBP59
3�-[2-[(2Z)-1-(3,4-Dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazinyl]-2�-methoxy-[1,1�-biphenyl]-3-carboxylic acid

ELTROMBOPAG METHYL ESTER
CAS:1246929-01-0
EBP51
3�-[(2Z)-2-[1-(3,4-Dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazinyl]-2�-hydroxy-[1,1�-Biphenyl]-3-carboxylic Acid Methyl Ester

ELTROMBOPAG N-HYDROXY IMPURITY
EBP54
(Z)-3�-(2-(1-(3,4-Dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)-1-hydroxyhydrazinyl)-2�-hydroxy-[1,1�-biphenyl]-3-carboxylic Acid

ELTROMBOPAG OLAMINE
CAS:496775-62-3
EBP55
3�-[(2Z)-[1-(3,4-Dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazino]-2�-hydroxy-[1,1�-biphenyl]-3-carboxylic acid compoundedd with 2-aminoethanol

ELVITEGRAVIR
CAS:697761-98-1
EGV00
6-[(3-Chloro-2-fluorophenyl)methyl]-1,4-dihydro-1-[(1S)-1-(hydroxymethyl)-2-methylpropyl]-7-methoxy-4-oxo-3-quinolinecarboxylic acid

ELVITEGRAVIR 2-CHLORO 3-FLUORO ISOMER
EGV50
6-[(2-Chloro-3-fluorophenyl)methyl]-1,4-dihydro-1-[(1S)-1-(hydroxymethyl)-2-methylpropyl]-7-methoxy-4-oxo-3-quinolinecarboxylic Acid

Elvitegravir 7-Fluoro Analog Elvitegravir 7-Desmethoxy-7-Fluoro Impurity
CAS:869893-92-5
EGV51
6-(3-Chloro-2-fluorobenzyl)-7-fluoro-1-[(S)-1-hydroxymethyl-2-methylpropyl]-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid

ELVITEGRAVIR ACYL GLUCURONIDE
CAS:870649-25-5
EGV52
�-D-Glucopyranuronic acid 1-[6-[(3-chloro-2-fluorophenyl)methyl]-1,4-dihydro-1-[(1S)-1-(hydroxymethyl)-2-methylpropyl]-7-methoxy-4-oxo-3-quinolinecarboxylate]

Emedastine (Base)
CAS:87233-61-2
EDS00B
1-(2-Ethoxyethyl)-2-(4-methylhexahydro-1H-1,4-diazepin-1-yl)-1H-benzimidazole

Emedastine (difumarate)
CAS:87233-62-3
EDS00F
1-(2-Ethoxyethyl)-2-(4-methylhexahydro-1H-1,4-diazepin-1-yl)-1H-benzimidazole bis[hydrogen (2E)-butenedioate]

EMEDASTINE EP IMPURITY A
CAS:101953-61-1
EDS01
1-(2-Ethoxyethyl)-1,3-dihydro-2H-benzimidazol-2-one

EMEDASTINE EP IMPURITY B
CAS:87233-54-3
EDS02
2-Chloro-1-(2-ethoxyethyl)-1H-benzimidazole

EMEDASTINE EP IMPURITY C
CAS:122423-32-9
EDS03
2-[2-(4-Methylhexahydro-1H-1,4-diazepin-1-yl)-1H-benzimidazol-1-yl]ethanol

EMEDASTINE EP IMPURITY D
EDS04
1-Ethenyl-2-(4-methylhexahydro-1H-1,4-diazepin-1-yl)-1H-benzimidazole

EMEDASTINE EP IMPURITY E
CAS:101954-20-5
EDS05
1-(2-Ethoxyethyl)-2-(hexahydro-1H-1,4-diazepin-1-yl)-1H-benzimidazole

EMEDASTINE EP IMPURITY F
EDS06
N-[1-(2-Ethoxyethyl)-1H-benzimidazol-2-yl]-N'-methylpropane-1,3-diamine

EMODIN 1-OBD 6-O-MALONYLGLUCOSIDE
CAS:928262-58-2
EMX56
8-[[6-O-(2-Carboxyacetyl)-�-D-glucopyranosyl]oxy]-1,6-dihydroxy-3-methyl-9,10-anthracenedione

Emodin Diacerein EP Impurity A
CAS:518-82-1
EMX00
1,3,8-Trihydroxy-6-methylanthracene-9,10-dione

Emodin Glucoside Emodin 8-�-D-Glucoside
CAS:23313-21-5
EMX58
1-(�-D-Glucopyranosyloxy)-3,8-dihydroxy-6-methyl-9,10-anthracenedione

EMODIN TRIACETATE
CAS:6030-60-0
EMX53
1,3,8-Trihydroxy-6-methylanthraquinone triacetate

EMPAGLIFLOZIN
CAS:864070-44-0
EGF00
(1S)-1,5-Anhydro-1-C-[4-chloro-3-[[4-[[(3S)-tetrahydro-3-furanyl]oxy] phenyl]methyl]phenyl]-D-glucitol

EMPAGLIFLOZIN 1,4-ANHYDRO-1,5-DIHYDROXY 3-EPIMER
EGF50
(2S,3S,4S,5R)-2-(3-((R)-4-((R)-Tetrahydrofuran-3-yloxy)benzyl)-4-chlorophenyl)-5-((R)-1,2-dihydroxyethyl)-tetrahydrofuran-3,4-diol

EMPAGLIFLOZIN 1,4-ANHYDRO-1,5-DIHYDROXY IMPURITY
EGF51
(2S,3R,4S,5R)-2-(3-((S)-4-((S)-Tetrahydrofuran-3-yloxy)benzyl)-4-chlorophenyl)-5-((R)-1,2-dihydroxyethyl)-tetrahydrofuran-3,4-diol

Empagliflozin 1,5-Dihydroxy 3-Epimer Empagliflozin Diol 3-Epimer
EGF58
(1R)?-1-?C-?[4-Chloro-?3-?[[4-?[[(3R)?-?tetrahydro-?3-?furanyl]?oxy]?phenyl]?methyl]?phenyl]?-?D-?glucitol

Empagliflozin 1,5-Dihydroxy Impurity Empagliflozin Diol Impurity
CAS:1620758-34-0
EGF70
(1R)?-1-?C-?[4-Chloro-?3-?[[4-?[[(3S)?-?tetrahydro-?3-?furanyl]?oxy]?phenyl]?methyl]?phenyl]?-?D-?glucitol

EMPAGLIFLOZIN 1-HYDROXY IMPURITY
CAS:1279691-35-8
EGF61
(2S,3R,4S,5S,6R)-2-(4-chloro-3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4,5-triol

Empagliflozin 3-Epimer Empagliflozin (3R)-Isomer Empagliflozin Impurity C
CAS:864070-43-9
EGF53
(1S)-1,5-Anhydro-1-C-[4-chloro-3-[[4-[[(3R)-tetrahydro-3-furanyl]oxy]phenyl] methyl]phenyl]-D-glucitol

EMPAGLIFLOZIN ALPHA-ANOMER
CAS:1620758-33-9
EGF60
(1R)-1,5-Anhydro-1-C-[4-chloro-3-[[4-[[(3S)-tetrahydro-3-furanyl]oxy] phenyl]methyl]phenyl]-D-glucitol

Empagliflozin alpha-Anomer 3-Epimer (R,R)-Empagliflozin
EGF63
(1R)-1,5-Anhydro-1-C-[4-chloro-3-[[4-[[(3R)-tetrahydro-3-furanyl]oxy] phenyl]methyl]phenyl]-D-glucitol

Empagliflozin Benzoic Acid Impurity Empagliflozin Desglucuoronide
EGF52
(S)-3-(4-(Tetrahydrofuran-3-yloxy)benzyl)-4-chlorobenzoic acid

EMPAGLIFLOZIN BROMO IMPURITY
CAS:915095-89-5
EGF54
(R)-3-(4-(5-Bromo-2-chlorobenzyl)phenoxy)-tetrahydrofuran

Empagliflozin Furanose Empagliflozin R/S Furanose
CAS:1620758-31-7 (1R) 1620758-32-8 (1S)
EGF57
(1RS)-1,4-Anhydro-1-C-[4-chloro-3-[[4-[[(3S)-tetrahydro-3-furanyl]oxy]phenyl]methyl]phenyl]-D-glucitol

EMPAGLIFLOZIN HYDROXYMETHYLPHENYL
CAS:2137418-13-2
EGF55
(2S,3S,4R,5S)-2-(4-Chloro-3-(hydroxy(4-((S)-tetrahydrofuran-3-yloxy)phenyl)methyl)phenyl)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol

EMPAGLIFLOZIN PHENYLKETONE IMPURITY
EGF56
(2-Chloro-5-((2S,3S,4R,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-2-yl)phenyl)(4-((S)-tetrahydrofuran-3-yloxy)phenyl)methanone

Empagliflozin RC 1
CAS:219823-47-9
EGF71
(R)-Tetrahydrofuran-3-yl 4-methylbenzenesulfonate

Empagliflozin RC 2 Deschloro Empagliflozin
EGF72
(2S,3S,4R,5S)-2-(4-((S)-3-((S)-Tetrahydrofuran-3-yloxy)benzyl)phenyl)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol

Empagliflozin RC 3 Empagliflozin Dimer
EGF73
(3S,3'S)-3,3'-((((4,4'-Dichloro-[1,1'-biphenyl]-3,3'-diyl)bis(methylene))bis(4,1-phenylene))bis(oxy))bis(tetrahydrofuran)

Empagliflozin RC 4
CAS:915095-94-2
EGF74
(S)-3-(4-(2-Chloro-5-iodobenzyl)phenoxy)-tetrahydrofuran

Empagliflozin RC 5 1-Methoxy Empagliflozin
CAS:1279691-36-9
EGF75
(2S,3S,4S,5S)-2-(3-((S)-4-((S)-Tetrahydrofuran-3-yloxy)benzyl)-4-chlorophenyl)-6-(hydroxymethyl)-2-methoxy-tetrahydro-2H-pyran-3,4,5-triol

Empagliflozin RC 6 Empagliflozin 5-Iodide
CAS:2227199-33-7
EGF76
(S)-3-(3-(2-Chloro-5-iodobenzyl)phenoxy)-tetrahydrofuran

Empagliflozin RC 7 Methoxy Empagliflozin
CAS:333359-90-3
EGF77
(1S)-1,5-Anhydro-1-C-[4-chloro-3-[(4-methoxyphenyl)methyl]phenyl]-D-glucitol

Empagliflozin RC 8 Methoxy Empagliflozin Tetraacetate
CAS:872980-38-6
EGF78
(2R,3R,4R,5S,6S)-2-(Acetoxymethyl)-6-(4-chloro-3-(4-methoxybenzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate

Empagliflozin Tetraacetyl Impurity
CAS:915095-99-7
EGF59
(2R,?3R,?4R,?5S,?6S)?-?2-?(Acetoxymethyl)?-?6-?(4-?chloro-?3-?(4-?(((S)?-?tetrahydrofuran-?3-?yl)?oxy)?benzyl)?phenyl)?tetrahydro-?2H-?pyran-?3,?4,?5-?triyl triacetate

EMTRICITABINE
CAS:143491-57-0
EMT00
4-Amino-5-fluoro-1-[(2R,5S)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone

EMTRICITABINE 2-EPIMER
CAS:145416-34-8
EMT82
4-Amino-5-fluoro-1-[(2S,5S)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone

EMTRICITABINE 5-EPIMER EMTRICITABINE (2R,5R)-ISOMER
CAS:145986-26-1
EMT85
4-Amino-5-fluoro-1-[(2R,5R)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone

EMTRICITABINE 5-FLUOROURACIL ANALOG (USP) EMTRICITABINE 4-HYDROXY ANALOG EMTRICITABINE 2,4-DIONE IMPURITY
CAS:145986-11-4
EMT74
5-Fluoro-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolane-5-yl]uracil cis 5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione

EMTRICITABINE 5-O-SULFATE
EMT75
((2R,5S)-5-(4-Amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl hydrogen sulfate

EMTRICITABINE AMADORI REARRANGEMENT PRODUCT
EMT 70
5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-4-((3S,4R)-3,5,6-trihydroxy-2-oxo-4-((2S,3R,4S,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-2-yloxy)hexylamino)pyrimidin-2(1H)-one

EMTRICITABINE FT1
EMT61
((2R,5S)-5-(4-Amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl hydrogen ((R)-1-(6-amino-7H-purin-7-yl)propan-2-yloxy)methylphosphonate

EMTRICITABINE FT2
CAS:1962115-01-0
EMT62
((R)-1-(6-((5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-ylamino)methylamino)-9H-purin-8-yl)propan-2-yloxy)methylphosphonic acid

EMTRICITABINE FT3
CAS:1962114-96-0
EMT63
4-Amino-5-fluoro-1-(2-(((5-fluoro-1-(2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-ylamino)methoxy)methyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one

EMTRICITABINE FTU IMPURITY
CAS:145281-92-1
EMT66
5-Fluoro-1-[(2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione (2S-cis)-5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione

EMTRICITABINE GLYCOSAMINE
EMT67
4-((2R,3R,4R,5S)-3,4-Dihydroxy-6-(hydroxymethyl)-5-((2S,3R,4S,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-2-yloxy)-tetrahydro-2H-pyran-2-ylamino)-5-fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one

EMTRICITABINE IMINE
EMT68
5-Fluoro-1-((2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-4-(methyleneamino)pyrimidin-2(1H)-one

EMTRICITABINE IMPURITY 2
CAS:146996-29-4
EMT42
((2S,4S)-4-(4-Benzamido-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-dioxolan-2-yl)methyl benzoate

Emtricitabine Impurity 3 Emtricitabine cis-Cyclic
EMT43
(3R,6S,11S,11aR)-11-Fluorotetrahydro-2H-3,6-epoxypyrimido[6,1-b][1,6,3]oxathiazocine-8,10(3H,9H)-dione

Emtricitabine Impurity 4 Emtricitabine trans-Cyclic
EMT44
(3R,6S,11R,11aR)-11-Fluorohexahydro-8H-3,6-epoxypyrimido[6,1-b][1,6,3]oxathiazocine-8,10(9H)-dione

EMTRICITABINE IP IMPURITY A EMTRICITABINE CARBOXYLIC ACID
CAS:1238210-10-0
EMT51
(2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid

Emtricitabine IP Impurity B trans-Emtricitabine Racemate Emtricitabine 5-Epimer & Enantiomer
EMT52
4-Amino-5-fluoro-1-[(2RS,5RS)-2- (hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone

EMTRICITABINE IP IMPURITY C LAMIVUDINE DESFLUORO EMTRICITABINE
CAS:134678-17-4
EMT53
4-Amino-1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl] pyrimidin-2(1H)-one

EMTRICITABINE IP IMPURITY D EMTRICITABINE ENANTIOMER EMTRICITABINE (2S,5R)-ISOMER
CAS:137530-41-7
EMT54
4-Amino-5-fluoro-1-[(2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone

EMTRICITABINE IP IMPURITY E 5-FLUORO CYTOSINE
CAS:2022-85-7
EMT55
4-Amino-5-fluoropyrimidin-2(1H)-one

EMTRICITABINE IP IMPURITY F 5-FLUORO URACIL
CAS:51-21-8
EMT56
5-Fluoropyrimidin-2,4(1H,3H)-dione

EMTRICITABINE IP IMPURITY G EMTRICITABINE SULFOXIDE (S)-ISOMER
EMT57
4-Amino-5-fluoro-1-[(2R,3S,5S)-2-(hydroxymethyl)-3-oxo-1,3-oxa-?4-thiolan-5-yl]pyrimidin-2(1H)-one

EMTRICITABINE IP IMPURITY H EMTRICITABINE SULFOXIDE (R)-ISOMER
EMT58
4-Amino-5-fluoro-1-[(2R,3R,5S)-2-(hydroxymethyl)-3-oxo-1,3-oxa-?4-thiolan-5-yl]pyrimidin-2(1H)-one

Emtricitabine IP Impurity I Emtricitabine Disulfide
CAS:2331211-44-8
EMT59
1,1'-[Disulfanediylbis(methylene-(2R,5S)-1,3-oxathiolane-2,5-diyl)]bis(4-amino-5-fluoropyrimidin-2(1H)-one)

Emtricitabine IP Impurity J Emtricitabine Dioxolane Impurity
CAS:145397-26-8
EMT60
4-Amino-5-fluoro-1-[(2S,4S)-2-(hydroxymethyl)-1,3-dioxolan-4-yl]pyrimidin-2(1H)-one

EMTRICITABINE ISOPROPYL CARBAMATE
EMT76
Isopropyl (5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)carbamate

EMTRICITABINE MENTHYL ESTER
CAS:764659-72-5
EMT78
(2R,5S)-5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic Acid (1R,2S,5R)-5-Methyl-2-(1-methylethyl)cyclohexyl Ester

EMTRICITABINE N,N-METHYLENE DIMER
EMT64
(R,S)-4,4�-(Methylenebis(azanediyl)bis(5-fluoro-1-((2R,5S)-2-(hyroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one

EMTRICITABINE N,O-METHYLENE DIMER
EMT69
4-Amino-5-fluoro-1-(2-((((5-fluoro-1-(2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methoxy)methyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one

EMTRICITABINE N-ACETYL O-BENZOYL
CAS:150796-39-7
EMT71
((2R,5S)-5-(4-Acetamido-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl benzoate

EMTRICITABINE N-ACETYL O-BENZOYL 5-EPIMER
EMT77
((2R,5R)-5-(4-Acetamido-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl benzoate

EMTRICITABINE N-HYDROXYMETHYL
EMT72
5-Fluoro-1-((2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-4-((hydroxymethyl)amino)pyrimidin-2(1H)-one

Emtricitabine O-�-D-Glucuronide (Acid)
CAS:152128-78-4
EMT90A
(2R-cis)-[5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolan-2-yl] methyl �-D-glucopyranosiduronic acid

Emtricitabine O-�-D-Glucuronide Sodium Salt
EMT90N
(2R-cis)-[5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolan-2-yl] methyl �-D-glucopyranosiduronic acid sodium salt

EMTRICITABINE SULFOXIDE
CAS:152128-77-3
EMT50
4-Amino-5-fluoro-1-[(2R,5S)-2- (hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl]-2-(1H)-pyrimidone

EMTRICITABINE TENOFOVIR DISOPROXIL DIMER
EMT79
((((((R)-1-(6-((((5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methyl)amino)-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphoryl)bis(oxy))bis(methylene) Diisopropyl Dicarbonate

EMTRICITABINE TENOFOVIR MONOISOPROXIL DIMER
EMT80
((((((R)-1-(6-((((5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methyl)amino)-9H-purin-9-yl)propan-2-yl)oxy)methyl)(hydroxy)phosphoryl)oxy)methyl Isopropyl Carbonate

EMTRICITABINE THIOACETATE
EMT81
S-(((2R,5S)-5-(4-Amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolan-2-yl)methyl) Ethanethioate

ENALAPRIL ALANYL PROLINE IMPURITY
CAS:13485-59-1
ENL14
L-Alanyl-L-proline

ENALAPRIL DIKETOPIPERAZINE ACID
CAS:115623-21-7
ENL54A
(2S)-2-[(3S,8aS)-3-Methyl-1,4-dioxooctahydropyrrolo [1,2-a]pyrazin-2-yl]-4-phenylbutanoic acid

Enalapril EP Impurity A (Base) (R,S,S)-Enalapril Enalapril 1-Epimer
CAS:76420-74-1
ENL01B
(2S)-1-[(2S)-2-[[(1R)-1-(Ethoxycarbonyl)-3- phenylpropyl] amino] propanoyl] pyrrolidine-2-carboxylic acid

Enalapril EP Impurity A (HCl) (R,S,S)-Enalapril HCl Enalapril HCl 1-Epimer
ENL01H
(2S)-1-[(2S)-2-[[(1R)-1-(Ethoxycarbonyl)-3- phenylpropyl] amino] propanoyl] pyrrolidine-2-carboxylic acid HCl

Enalapril EP Impurity A (Maleate) (R,S,S)-Enalapril Maleate Enalapril Maleate 1-Epimer
CAS:1356932-13-2
ENL01M
(2S)-1-[(2S)-2-[[(1R)-1-(Ethoxycarbonyl)-3- phenylpropyl] amino] propanoyl] pyrrolidine-2-carboxylic acid maleate

Enalapril EP Impurity B Ramipril EP Impurity F Trandolapril ECPPA Impurity Moexipril USP RC F Quinapril EP Impurity B Spirapril EP Impurity C
CAS:82717-96-2
ENL02
N-[(S)-(+)-1-(Ethoxycarbonyl)-3-phenylpropyl]-L-alanine ("ECPPA")

Enalapril EP Impurity C (Anhydrous) Enalapril Diacid Enalaprilate Enalaprilat
CAS:76420-72-9
ENL03A
N-[(1S)-1-(Carboxy)-3-phenylpropyl]-L-alanyl]-L-proline

Enalapril EP Impurity C (Dihydrate) Enalapril Diacid Dihydrate Enalaprilate Dihydrate Enalaprilat Dihydrate
CAS:84680-54-6
ENL03D
N-[(1S)-1-(Carboxy)-3-phenylpropyl]-L-alanyl]-L-proline dihydrate

Enalapril EP Impurity D Enalapril Diketopiperazine Enalapril Diketopiperazine Acid Ethyl Ester
CAS:115729-52-7
ENL04
Ethyl (2S)-2-[(3S,8aS)-3-methyl-1,4-dioxooctahydropyrrolo [1,2-a]pyrazin-2-yl]-4-phenylbutanoate

Enalapril EP Impurity E (HCl Salt) Enalapril Phenylethyl Ester Analog (HCl Salt)
ENL05H
(2S)-1-[(2S)-2-[[(1S)-3-Phenyl-1-[(2-phenylethoxy) carbonyl] propyl] amino] propanoyl] pyrrolidine-2-carboxylic acid hydrochloride

Enalapril EP Impurity E (Maleate Salt) Enalapril Phenylethyl Ester Analog
ENL05M
(2S)-1-[(2S)-2-[[(1S)-3-Phenyl-1-[(2-phenylethoxy) carbonyl] propyl] amino] propanoyl] pyrrolidine-2-carboxylic acid maleate salt

Enalapril EP Impurity F (HCl) Enalapril HCl Butyl Ester Analog
CAS:76420-77-4 (rac)
ENL06H
(2S)-1-[(2S)-2-[[(1S)-1-(Butoxycarbonyl)-3-phenylpropyl] amino] propanoyl] pyrrolidine-2-carboxylic acid hydrochloride

ENALAPRIL EP IMPURITY G
CAS:460720-14-3
ENL07
(2S)-2-[[(1S)-3-Cyclohexyl-1-(ethoxycarbonyl)propyl]-amino] propanoic acid

Enalapril EP Impurity H (Base) Enalapril Cyclohexyl Analog Enalapril Hexahydro Analog
CAS:2055735-10-7
ENL08B
(2S)-1-[(2S)-2-[[(1S)-3-Cyclohexyl-1-(ethoxycarbonyl)propyl] amino] propanoyl]pyrrolidine-2-carboxylic acid

Enalapril EP Impurity H (HCl) Enalapril Cyclohexyl Analog Enalapril Hexahydro Analog
ENL08H
(2S)-1-[(2S)-2-[[(1S)-3-Cyclohexyl-1-(ethoxycarbonyl)propyl] amino] propanoyl]pyrrolidine-2-carboxylic acid HCl

Enalapril Homophenylalanine Impurity Lisinopril EP Impurity A
CAS:1012-05-1
ENL15
(2RS)-2-Amino-4-phenylbutanoic acid DL-Homophenylalanine

ENALAPRIL MALEATE (S,S,S)-ENALAPRIL MALEATE
CAS:76095-16-4
ENL00M
(2S)-1-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino]propanoyl] pyrrolidine-2-carboxylic acid (Z)-butenedioate

ENALAPRILAT 1-ACYL GLUCURONIDE
EPX51
(S)-1-((S)-2-((S)-1-((2S,3R,4S,5S)-6-Carboxy-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-yloxy)-1-oxo-4-phenylbutan-2-ylamino)propanoyl)pyrrolidine-2-carboxylic acid

ENALAPRILAT ACYL GLUCURONIDE
EPX52
(3S,4S,5R,6S)-6-((S)-1-((S)-2-((S)-1-Carboxy-3-phenylpropylamino)propanoyl)pyrrolidine-2-carbonyloxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid

ENALAPRILAT BENZYL ESTER
CAS:76391-33-8
EPX53
(S)-1-((S)-2-((S)-1-(Benzyloxy)-1-oxo-4-phenylbutan-2-ylamino)propanoyl)pyrrolidine-2-carboxylic acid

ENALAPRILAT BIALLYLOXY ACYL GLUCURONIDE
EPX54
(S)-((2S,3R,4S,5S)-6-(Allyloxycarbonyl)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-yl) 1-((S)-2-((S)-1-(allyloxy)-1-oxo-4-phenylbutan-2-ylamino)propanoyl)pyrrolidine-2-carboxylate

ENALAPRILAT BUTYL T-BUTYL DIESTER
EPX55
(S)-tert-Butyl 1-((S)-2-((S)-1-butoxy-1-oxo-4-phenylbutan-2-ylamino)propanoyl)pyrrolidine-2-carboxylate

Enalaprilat Dihydrate Enalapril EP Impurity C (Dihydrate)
CAS:84680-54-6
EPX00D
(S)-1-((S)-2-((S)-1-Carboxy-3-phenylpropylamino)propanoyl)pyrrolidine-2-carboxylic acid dihydrate

Enalaprilat Enalapril EP Impurity C
CAS:76420-72-9
EPX00A
(S)-1-((S)-2-((S)-1-Carboxy-3-phenylpropylamino)propanoyl)pyrrolidine-2-carboxylic acid

ENALAPRILAT EP IMPURITY A
CAS:112318-07-7
EPX01
(SR)-2-((SR)-1-Carboxyethylamino)-4-phenylbutanoic acid

ENALAPRILAT EP IMPURITY A (S,S)-ISOMER
CAS:84023-58-5
EPX61
(S)-2-((S)-1-Carboxyethylamino)-4-phenylbutanoic acid

ENALAPRILAT EP IMPURITY B
EPX02
(SR)-1-((RS)-2-((RS)-1-Carboxy-3-phenylpropylamino)propanoyl)pyrrolidine-2-carboxylic acid

ENALAPRILAT EP IMPURITY C
EPX03
(SR)-1-((SR)-2-((RS)-1-Carboxy-3-phenylpropylamino)propanoyl)pyrrolidine-2-carboxylic acid

ENALAPRILAT EP IMPURITY D
EPX04
(SR)-1-((RS)-2-((SR)-1-Carboxy-3-phenylpropylamino)propanoyl)pyrrolidine-2-carboxylic acid

ENALAPRILAT EP IMPURITY E
EPX05
(SR)-1-((SR)-1-((SR)-2-((SR)-1-Carboxy-3-phenylpropylamino)propanoyl)pyrrolidine-2-carbonyl)pyrrolidine-2-carboxylic acid

ENALAPRILAT EP IMPURITY F
CAS:90988-18-4
EPX06
(SR)-2-((SR)-1-Ethoxy-1-oxo-4-phenylbutan-2-ylamino)propanoic acid

ENALAPRILAT EP IMPURITY G
CAS:284677-66-3
EPX07
(SR)-Ethyl 2-((3RS,8aSR)-3-methyl-1,4-dioxo-hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl)-4-phenylbutanoate

ENALAPRILAT N-GLUCURONIDE
EPX56
(S)-1-((S)-2-(((2R,3R,4S,5S)-6-carboxy-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-yl)((S)-1-carboxy-3-phenylpropyl)amino)propanoyl)pyrrolidine-2-carboxylic acid

ENALAPRILAT PHENYLETHYL ESTER
EPX57
(S)-1-((S)-2-((S)-1-Oxo-1-phenethoxy-4-phenylbutan-2-ylamino)propanoyl)pyrrolidine-2-carboxylic acid

ENALAPRILAT T-BUTYL ESTER
CAS:674796-29-3
EPX58
(S)-2-((S)-1-((S)-2-(tert-Butoxycarbonyl)pyrrolidin-1-yl)-1-oxopropan-2-ylamino)-4-phenylbutanoic acid

ENGLITAZONE
CAS:109229-58-5
EGT00
5-((2-Benzyl-3,4-dihydro-2H-chromen-6-yl)methyl)thiazolidine-2,4-dione

ENILCONAZOLE EP IMPURITY A
ENX01
(2RS)-2-(2,4-Dichlorophenyl)-2-(prop-2-enyloxy)-ethanamine

ENILCONAZOLE EP IMPURITY B
ENX02
N-[(2RS)-2-(2,4-Dichlorophenyl)-2-(prop-2-enyloxy)-ethyl]prop-2-en-1-amine

ENILCONAZOLE EP IMPURITY C
ENX03
N-[(2RS)-2-(2,4-Dichlorophenyl)-2-(prop-2-enyloxy)-ethyl]formamide

ENILCONAZOLE EP IMPURITY D
ENX04
N-[(2RS)-2-(2,4-Dichlorophenyl)-2-(prop-2-enyloxy)-ethyl]-N-(prop-2-enyl)formamide

Enilconazole EP Impurity E Econazole EP Impurity A Fenticonazole EP Impurity A Isoconazole EP Impurity B Isoconazole Nitrate EP Impurity A Tioconazole EP Impurity D
CAS:24155-42-8
ENX05
(1RS)-1-(2,4-Dichlorophenyl)-2-(-1H-imidazol-1-yl)ethanol

ENILCONAZOLE EP IMPURITY F
ENX06
1-[(2RS)-2-(3,4-Dichlorophenyl)-2-(prop-2-enyloxy)ethyl]-1H-imidazole

Enilconazole Imazalil
CAS:35554-44-0
ENX00
1-[(2RS)-2-(2,4-Dichlorophenyl)-2-(prop-2-enyloxy)ethyl]-1H-imidazole

Enoxolone EP Impurity A 18a-Glycyrrhetinic Acid
CAS:1449-05-4
EXN01
(20�)-3�-Hydroxy-11-oxo-18a-olean-12-en-29-oic acid

ENOXOLONE EP IMPURITY B
EXN02
(4�,20�)-3�,23-Dihydroxy-11-oxo-olean-12-en-29-oic acid

Enoxolone Glycyrrhetic Acid
CAS:471-53-4
EXN00
(20�)-3�-Hydroxy-11-oxo-olean-12-en-29-oic acid (2S,4aS,6aS,6bR,8aR,10S,12aS,12bR,14bR)-10-Hydroxy-2,4a,6a,6b,9,9,12a-heptamethyl-13-oxo-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-icosahydropicene-2-carboxylic acid

ENROFLOXACIN
CAS:93106-60-6
ERF00
1-Cyclopropyl-7-(4-ethyl-1-piperazinyl)-6-fluoro-1,4-dihydro-4-oxo -3-quinolinecarboxylic acid

Enrofloxacin EP Impurity A Ciprofloxacin EP Impurity A
CAS:86393-33-1
ERF01
7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid

Enrofloxacin EP Impurity B Ciprofloxacin HCl
CAS:86393-32-0
ERF02H
1-Cyclopropyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid HCl

ENROFLOXACIN EP IMPURITY C DESFLUORO ENROFLOXACIN
CAS:138892-82-7
ERF03
1-Cyclopropyl-7-(4-ethylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid

Enrofloxacin EP Impurity D
ERF04
Enrofloxacin EP Impurity D

ENROFLOXACIN EP IMPURITY E ENROFLOXACIN CHLORO ANALOG
CAS:1369495-59-9
ERF05
6-Chloro-1-cyclopropyl-7-(4-ethylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid

ENROFLOXACIN EP IMPURITY F DECARBOXY ENROFLOXACIN
CAS:131775-99-0
ERF06
1-Cyclopropyl-7-(4-ethylpiperazin-1-yl)-6-fluoroquinolin-4(1H)-one

Enrofloxacin EP Impurity G (Base) Ciprofloxacin EP Impurity C Enrofloxacin Ethylenediamine Analog Desethylene Ciprofloxacin
CAS:103222-12-4
ERF07B
7-[(2-Aminoethyl)amino]-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid

Enrofloxacin EP Impurity G (HCl) Ciprofloxacin EP Impurity C Enrofloxacin Ethylenediamine Analog Desethylene Ciprofloxacin HCl
CAS:528851-31-2
ERF07H
7-[(2-Aminoethyl)amino]-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid hydrochloride

ENTACAPONE
CAS:130929-57-6
ETC00
(2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide

ENTACAPONE AMIDE IMPURITY
CAS:158693-01-7
ETC51
(2E)-2-Cyano-(3,4-dihydroxy-5-nitrophenyl)propenamide

ENTACAPONE BENZOIC ACID IMPURITY
CAS:84211-30-3
ETC53
3,4-Dihydroxy-5-nitrobenzoic acid

ENTACAPONE EP IMPURITY A ENTACAPONE USP RC A ENTACAPONE CIS-ISOMER
CAS:145195-63-7
ETC01
(2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide

ENTACAPONE EP IMPURITY B
CAS:116314-52-4
ETC02
Ethyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate

ENTACAPONE EP IMPURITY C
CAS:116313-85-0
ETC03
3,4-Dihydroxy-5-nitrobenzaldehyde

ENTACAPONE EP IMPURITY D
CAS:857629-79-9
ETC04
(2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide

ENTACAPONE EP IMPURITY E
CAS:7659-29-2
ETC05
3,5-Dinitrobenzene-1,2-diol 1,2-Dihydroxy-3,5-dinitrobenzene

ENTACAPONE EP IMPURITY F
CAS:160391-70-8
ETC06
(2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoic acid

ENTACAPONE EP IMPURITY G
CAS:1364322-41-7
ETC07
(2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-prop-2-enamide

ENTACAPONE EP IMPURITY H
CAS:1150310-15-8
ETC08
(2E)-3-(3,4-Dihydroxy-5-nitrophenyl)-2-(piperidin-1-ylcarbonyl)prop-2-ennitrile

ENTACAPONE EP IMPURITY I
CAS:1364322-42-8
ETC09
Propyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate

ENTACAPONE IMPURITY 1
CAS:1202160-40-4
ETC61
(E)-2-Cyano-3-(4-hydroxy-3-methoxy-5-nitrophenyl)acrylic acid

ENTACAPONE IMPURITY 2
CAS:26391-06-0
ETC62
2-Cyano-N,N-diethylacetamide

ENTACAPONE METHOXY (E/Z)-MIXTURE
CAS:146698-91-1
ETC55
(E/Z)-2-Cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)acrylamide

ENTACAPONE METHOXY (Z)-ISOMER
CAS:158693-04-0
ETC54
(Z)-2-Cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)acrylamide

Entacapone Methoxy Impurity (E)-3-O-Methyl Entacapone
CAS:857629-78-8
ETC52
(2E)-2-Cyano-3-(3-methoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide

Entecavir (Anhydrous) (1S,3R,4S)-Entecavir
CAS:142217-69-4
ECV00A
2-Amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-6,9-dihydro-3H-purin-6-one

Entecavir (Monohydrate) (1S,3R,4S)-Entecavir Monohydrate
CAS:209216-23-9
ECV00H
2-Amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-6,9-dihydro-3H-purin-6-one monohydrate

ENTECAVIR (R,R,R)-ISOMER (1R,3R,4R)-ENTECAVIR
CAS:1367369-76-3
ECV61
2-Amino-9-[(1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-6,9-dihydro-3H-purin-6-one

Entecavir (R,S,R)-Isomer Entecavir Enantiomer (1R,3S,4R)-Entecavir
CAS:188399-46-4
ECV63
2-Amino-9-[(1R,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-6,9-dihydro-3H-purin-6-one

Entecavir (R,S,S)-Isomer (1R,3S,4S)-Entecavir
CAS:1333204-94-6
ECV64
2-Amino-9-[(1R,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-6,9-dihydro-3H-purin-6-one

ENTECAVIR (S,S,R)-ISOMER (1S,3S,4R)-ENTECAVIR
CAS:1367369-79-6
ECV67
2-Amino-9-[(1S,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-6,9-dihydro-3H-purin-6-one

Entecavir BOM (1R,2R)-Isomer
CAS:325480-40-8
ECV51
(1R,2R)-2-(Benzyloxymethyl)-3-cyclopenten-1-ol

Entecavir BOM (1R,2S)-Isomer
CAS:188399-48-6
ECV52
(1R,2S)-2-(Benzyloxymethyl)-3-cyclopenten-1-ol

Entecavir BOM (1S,2R)-Isomer
CAS:110567-21-0
ECV53
(1S,2R)-2-(Benzyloxymethyl)-3-cyclopenten-1-ol

Entecavir Dibenzyl Impurity 3�,5�-Di-O-benzyl Entecavir
CAS:142217-81-0
ECV35
2-Amino-1,9-dihydro-9-[(1S,3R,4S)-2-methylene-4-(phenylmethoxy)-3-[(phenylmethoxy)methyl]cyclopentyl]-6H-purin-6-one

Entecavir EP Impurity A Entecavir 1-Epimer (USP) (1R,3R,4S)-Entecavir
CAS:1367369-78-5
ECV01
2-Amino-9-[(1R,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-6,9-dihydro-3H-purin-6-one

Entecavir EP Impurity B Entecavir 3-Epimer (USP) (1S,3S,4S)-Entecavir
CAS:1367369-77-4
ECV02
2-Amino-9-[(1S,3S,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-6,9-dihydro-3H-purin-6-one

Entecavir EP Impurity C 8-Hydroxy Entecavir (USP) Entecavir Dione
ECV03
2-Amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-7,9-dihydro-1H-purine-6,8-dione

Entecavir EP Impurity D Entecavir 4-Epimer (USP) (1S,3R,4R)-Entecavir
CAS:1367369-80-9
ECV04
2-Amino-9-[(1S,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-6,9-dihydro-3H-purin-6-one

ENTECAVIR EP IMPURITY E 8-METHOXY ENTECAVIR (USP)
CAS:2349444-69-3
ECV05
2-Amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidene cyclopentyl]-8-methoxy-1,9-dihydro-6H-purin-6-one

ENTECAVIR EP IMPURITY F ENTECAVIR USP RC A ENTECAVIR DIMETHYLSILYL IMPURITY
CAS:649761-24-0
ECV06
2-Amino-9-[(1S,3R,4S)-3-[(benzyloxy)methyl]-4-[dimethyl(phenyl)silyl]-2-methylidenecyclopentyl]-1,9-dihydro-6H-purin-6-one

Entecavir Furan Impurity Furoentecavir (USP) Entecavir USP Impurity A
CAS:1984788-96-6
ECV41
9-[(3aS ,4S ,6S ,6aR )-3a,6-Dihydroxyhexahydro-1H -cyclopenta[c]furan-4-yl] guanine

ENTECAVIR TRIBENZYL ALCOHOL
CAS:142217-77-4
ECV43
(1S,2S,3S,5S)-5-(2-Amino-6-(benzyloxy)-9H-purin-9-yl)-3- (benzyloxy)-2-(benzyloxymethyl)cyclopentanol

ENTRECTINIB
CAS:1108743-60-7
ETX00
N-(5-(3,5-Difluorobenzyl)-1H-indazol-3-yl)-4-(4-methylpiperazin-1-yl)-2-(tetrahydro-2H-pyran-4-ylamino)benzamide

Entrectinib RC 1
CAS:1108745-30-7
ETX61
5-(3,5-Difluorobenzyl)-1H-indazol-3-amine

Entrectinib RC 2
CAS:1889329-44-5
ETX62
4-(4-Methylpiperazin-1-yl)-2-(tetrahydro-2H-pyran-4-ylamino)benzoyl chloride

Entrectinib RC 3
CAS:1108745-25-0
ETX63
5-(3,5-Difluorobenzyl)-2-fluorobenzonitrile

Entrectinib RC 4
CAS:141776-91-2
ETX64
1-(Bromomethyl)-3,5-difluorobenzene

Entrectinib RC 5
CAS:214210-21-6
ETX65
3-Cyano-4-fluorophenylboronic acid

Entrectinib RC 6
CAS:1889328-86-2
ETX66
4-(4-Methylpiperazin-1-yl)-2-(tetrahydro-2H-pyran-4-ylamino)benzoic acid

ENZALUTAMIDE
CAS:915087-33-1
EZL00
4-[3-[4-Cyano-3-(trifluoromethyl)phenyl]-5,5-dimethyl-4-oxo-2-thioxo-1-imidazolidinyl]-2-fluoro-N-methylbenzamide

Enzalutamide Desfluoro Impurity
CAS:915087-16-0
EZL39
4-(3-(4-Cyano-3-(trifluoromethyl)phenyl)-5,5-dimethyl-4-oxo-2-thioxoimidazolidin-1-yl)-N-methylbenzamide

ENZALUTAMIDE EP IMPURITY A
CAS:112704-79-7
EZL01
4-Bromo-2-fluorobenzoic Acid

ENZALUTAMIDE EP IMPURITY B
CAS:749927-69-3
EZL02
4-Bromo-2-fluoro-N-methylbenzamide

ENZALUTAMIDE EP IMPURITY C
CAS:179232-29-2
EZL03
4-Bromo-2-fluorobenzoic Acid Methyl Ester

ENZALUTAMIDE IMPURITY 1
CAS:915087-32-0
EZL61
4-((2-Cyanopropan-2-yl)amino)-2-fluoro-N-methylbenzamide

Enzalutamide Impurity 11 Enzalutamide Impurity F
CAS:915087-33-1
EZL71
4-(3-(1-(4--Cyano-3-(trifluoromethyl)phenyl)methyl-4-oxo-2-thioxo-1,2,3,4-tetrahydroquinazolin-7-yl)-4,4-dimethyl-5-oxo-2-thioxoimidazolidin-1-yl)-2-(trifluoromethyl)benzonitrile

ENZALUTAMIDE IMPURITY 12
CAS:107553-81-1
EZL72
Methyl 4-(2-cyanopropan-2-ylamino)benzoate

ENZALUTAMIDE IMPURITY 13
CAS:1798807-39-2
EZL73
1-(4-Cyano-3-(trifluoromethyl)phenyl)-3-(3-fluoro-4-(methylcarbamoyl)phenyl)thiourea

Enzalutamide Impurity 14 Desthioxo Enzalutamide
CAS:1289942-55-7
EZL74
4-(1-(4-Cyano-3-(trifluoromethyl)phenylamino)-2-methyl-1-oxopropan-2-ylamino)-2-fluoro-N-methylbenzamide

ENZALUTAMIDE IMPURITY 15
CAS:1895865-10-7
EZL75
Methyl 4-cyano-3-(trifluoromethyl)phenylcarbamate

ENZALUTAMIDE IMPURITY 16
EZL76
4-(N-(1-(4-Cyano-3-(trifluoromethyl)phenylamino)-2-methyl-1-oxopropan-2-yl)formamido)-2-fluorobenzamide

ENZALUTAMIDE IMPURITY 17
CAS:1289942-66-0
EZL77
2-(3-Fluoro-4-(methylcarbamoyl)phenylamino)-2-methylpropanoic acid

ENZALUTAMIDE IMPURITY 18
CAS:1242137-20-7
EZL78
2-(4-Carbamoyl-3-fluorophenylamino)-2-methylpropanoic acid

ENZALUTAMIDE IMPURITY 19
CAS:2030242-21-6
EZL79
4-(3-(4-Carbamoyl-3-(trifluoromethyl)phenyl)-5,5-dimethyl-4-oxo-2-thioxoimidazolidin-1-yl)-2-fluoro-N-methylbenzamide

ENZALUTAMIDE IMPURITY 2
CAS:143782-23-4
EZL62
4-Isothiocyanato-2-(trifluoromethyl)benzonitrile

ENZALUTAMIDE IMPURITY 20
CAS:1242137-19-4
EZL80
4-(3-(4-Cyano-3-(trifluoromethyl)phenyl)-5,5-dimethyl-2,4-dioxoimidazolidin-1-yl)-2-fluorobenzoic acid

Enzalutamide Impurity 21 Enzalutamide RC A
CAS:1802242-43-8
EZL81
Methyl 4-(3-(4-cyano-3-(trifluoromethyl)phenyl)-5,5-dimethyl-4-oxo-2-thioxoimidazolidin-1-yl)-2-fluorobenzoate

ENZALUTAMIDE IMPURITY 22
CAS:292621-45-5
EZL82
4-BROMO-2-FLUOROBENZAMIDE

Enzalutamide Impurity 23
CAS:1802242-46-1
EZL83
2-(3-Fluoro-4-(methoxycarbonyl)phenylamino)-2-methylpropanoic acid

Enzalutamide Impurity 24
CAS:1802242-47-2
EZL84
Methyl 2-fluoro-4-(1-methoxy-2-methyl-1-oxopropan-2-ylamino)benzoate

Enzalutamide Impurity 25
CAS:1332524-02-3
EZL85
4-(2-Carboxypropan-2-ylamino)-2-fluorobenzoic acid

Enzalutamide Impurity 26 (HCl)
CAS:1242840-35-2
EZL86H
5-Amino-2-fluoro-N-methylbenzamide hydrochloride

Enzalutamide Impurity 27
CAS:1332524-01-2
EZL87
Methyl 2-(3-fluoro-4-(methylcarbamoyl)phenylamino)-2-methylpropanoate

ENZALUTAMIDE IMPURITY 3
CAS:915087-25-1
EZL63
4-Amino-2-fluoro-N-methylbenzamide

ENZALUTAMIDE IMPURITY 4
CAS:915087-24-0
EZL64
2-FLUORO-N-METHYL-4-NITROBENZAMIDE

ENZALUTAMIDE IMPURITY 5
EZL65
4-((2-Cyanopropan-2-yl)amino)-N-methylbenzamide

ENZALUTAMIDE IMPURITY 6
CAS:1895865-11-8
EZL66
1,3-bis(4-Cyano-3-(trifluoromethyl)phenyl)urea

ENZALUTAMIDE IMPURITY 7
CAS:1839619-50-9
EZL67
1,3-bis(4-Cyano-3-(trifluoromethyl)phenyl)thiourea

Enzalutamide M1 Enzalutamide Carboxylic Acid
CAS:1242137-15-0
EZL51
4-[3-[4-Cyano-3-(trifluoromethyl)phenyl]-5,5-dimethyl-4-oxo-2-thioxo-1-imidazolidinyl]-2-fluoro-benzoic Acid

Enzalutamide N,N-Dimethyl Analog N,N-Dimethyl Enzalutamide
CAS:1443331-78-9
EZL53
4-(3-(4-Cyano-3-(trifluoromethyl)phenyl)-5,5-dimethyl-4-oxo-2-thioxoimidazolidin-1-yl)-2-fluoro-N,N-dimethylbenzamide

ENZALUTAMIDE N-DESMETHYL IMPURITY
CAS:1242137-16-1
EZL52
4-?[3-?[4-?Cyano-?3-?(trifluoromethyl)?phenyl]?-?5,?5-?dimethyl-?4-?oxo-?2-?thioxo-?1-?imidazolidinyl]?-?2-?fluorobenzamide

ENZALUTAMIDE OXO IMPURITY
CAS:1242137-18-3
EZL40
4-(3-(4-Cyano-3-(trifluoromethyl)phenyl)-5,5-dimethyl-2,4-dioxoimidazolidin-1-yl)-2-fluoro-N-methylbenzamide

EPALRESTAT
CAS:82159-09-9
ELR00
2-((Z)-5-((E)-2-Methyl-3-phenylallylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetic acid

EPALRESTAT (E,E)-ISOMER
CAS:863988-85-6
ELR50
2-((E)-5-((E)-2-Methyl-3-phenylallylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetic acid

Epalrestat (Z,Z)-Isomer Methyl Ester (Z,Z)-Epalrestat Methyl Ester
ELR61
Methyl 2-((Z)-5-((Z)-2-methyl-3-phenylallylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetate

EPALRESTAT ALDEHYDE IMPURITY
CAS:15174-47-7
ELR55
trans-2-Methyl-3-phenylacrylaldehyde

EPALRESTAT ETHYL ESTER
ELR52
Ethyl 2-((Z)-5-((E)-2-methyl-3-phenylallylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetate

EPALRESTAT ISOPROPYL ESTER
ELR53
Isopropyl 2-((Z)-5-((E)-2-methyl-3-phenylallylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetate

Epalrestat Methyl Ester
CAS:682775-70-8
ELR51
Methyl 2-((Z)-5-((E)-2-methyl-3-phenylallylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetate

EPEREZOLID
CAS:165800-04-4
EPZ00
(S)-N-((3-(3-Fluoro-4-(4-(2-hydroxyacetyl)piperazin-1-yl)phenyl)-2-oxooxazolidin-5-yl)methyl)acetamide

Eperezolid RC 1
CAS:154590-33-7
EPZ01
1-(2-FLUORO-4-NITROPHENYL)PIPERAZINE

Eperezolid RC 2
CAS:154590-66-6
EPZ02
(S)-N-((3-(3-fluoro-4-(piperazin-1-yl)phenyl)-2-oxooxazolidin-5-yl)methyl)acetamide

Eperezolid RC 3
EPZ03
(S)-Benzyl 4-(4-(5-(acetamidomethyl)-2-oxooxazolidin-3-yl)-2-fluorophenyl)piperazine-1-carboxylate

Eperezolid RC 4
EPZ04
(S)-Benzyl 4-(4-(5-((1,3-dioxoisoindolin-2-yl)methyl)-2-oxooxazolidin-3-yl)-2-fluorophenyl)piperazine-1-carboxylate

Eperezolid RC 5
EPZ05
(R)-Benzyl 4-(2-fluoro-4-(5-(hydroxymethyl)-2-oxooxazolidin-3-yl)phenyl)piperazine-1-carboxylate

Eperezolid RC 6
EPZ06
Benzyl 4-(2-fluoro-4-(phenoxycarbonyl)phenyl)piperazine-1-carboxylate

Eperezolid RC 7
EPZ07
Benzyl 4-(4-amino-2-fluorophenyl)piperazine-1-carboxylate

Eperezolid RC 8
EPZ08
Benzyl 4-(2-fluoro-4-nitrophenyl)piperazine-1-carboxylate

Eperezolid RC 9
EPZ09
Benzyl 4-(2-fluoro-4-(5-(hydroxymethyl)-2-oxooxazolidin-3-yl)phenyl)piperazine-1-carboxylate

Epinastine EP Impurity A (Base) 9,13b-Dehydro Epinastine
CAS:706753-75-5
EPN01B
9H-Dibenzo[c,f]imidazo[1,5-a]azepin-3-amine

Epinastine EP Impurity A (HCl) 9,13b-Dehydro Epinastine HCl
CAS:141342-70-3
EPN01H
9H-Dibenzo[c,f]imidazo[1,5-a]azepin-3-amine HCl

EPINASTINE EP IMPURITY B 7-BROMO EPINASTINE
CAS:1217052-16-8
EPN02B
(13bRS)-7-Bromo-9,13b-dihydro-1H-dibenzo[c,f]imidazo[1,5-a]azepin-3-amine 3-Amino-7-bromo-9,13b-dihydro-1H-dibenz[c,f]imidazo[1,5-a]azepine

EPINASTINE HCL
CAS:108929-04-0
EPN00H
(13bRS)-9,13b-Dihydro-1H-dibenzo[c,f]imidazo[1,5a]azepin-3-amine hydrochloride

Epinastine USP RC A (Base) Epinastine Aminomethyl Impurity (Base)
CAS:41218-84-2
EPN21B
6-Aminomethyl-6,?11-?Dihydro-?5H-?dibenzo[b,?e]?azepine

Epinastine USP RC A (Fumarate) Epinastine Aminomethyl Impurity (Fumarate)
CAS:127785-96-0
EPN21F
6-Aminomethyl-6,?11-?Dihydro-?5H-?dibenzo[b,?e]?azepine fumarate

EPLERENONE
CAS:107724-20-9
ERN00
(7a, 11a, 17a)-9,11-Epoxy-17-hydroxy-3-oxo-pregn-4-ene-7,21-dicarboxylic acid, ?-lactone, methyl ester

EPLERENONE 11-ALPHA-HYDROXY ANALOG 11A-HYDROXY MEXRENONE
CAS:192704-56-6
ERN40
(7a,11a,17a)-11,17-Dihydroxy-3-oxopregn-4-ene-7,21-dicarboxylic acid ?-lactone methyl ester

EPLERENONE 11-ALPHA-HYDROXY CANRENONE IMPURITY
CAS:192569-17-8
ERN53
11,17-Dihydroxy-3-oxo-pregna-4,6-diene-21-carboxylic acid gama-lactone

EPLERENONE 11-ALPHA-HYDROXY NITROETHYL IMPURITY
ERN44
(7a,11a,17a)-11,17-Dihydroxy-7-nitroethyl-3-oxopregn-4-ene-21-carboxylic acid ?-lactone

EPLERENONE 6-BETA-HYDROXY ANALOG
CAS:209253-80-5
ERN41
(6�,7a,11a,17a)-9,11-Epoxy-6,17-dihydroxy-3-oxo-pregn-4-ene-7,21-dicarboxylic acid ?-lactone methyl ester

Eplerenone Anhydro Canrenone Impurity Eplerenone 9,11-Didehydro Canrenone Impurity Delta-9 Canrenone
CAS:95716-71-5
ERN52
17-Hydroxy-3-oxo-pregna-4,6,9(11)-trien-21-carboxylic acid gama-lactone

Eplerenone Canrenone Impurity Canrenone Spironolactone EP Impurity F
CAS:976-71-6
ERN54
17-Hydroxy-3-oxo-pregna-4,6-dien-21-carboxylic acid gama-lactone

EPLERENONE EP IMPURITY A
CAS:209253-67-8
ERN01
(2'S)-3',4'-Dihydro-3,5'-dioxospiro[androst-4-ene-17,2'-furan]-7a,9a-carbolactone

EPLERENONE EP IMPURITY B
CAS:192704-82-8
ERN02
(2'S)-11a,12a-Epoxy-3',4'-dihydro-7a-methoxycarbonylspiro[androst-4-ene-17,2'-furan]-3,5'-dione

EPLERENONE EP IMPURITY C EPLERENONE DELTA-9,11-ANALOG
CAS:95716-70-4
ERN03
(7a,17a)-17-Hydroxy-3-oxo-pregna-4,9(11)-diene-7,21-dicarboxylic acid ?-lactone 7-methyl ester

Eplerenone EP Impurity D Eplerenone 7-Carboxylic Acid
CAS:209253-82-7
ERN04
(2'R)-9a,11a-Epoxy-3',4'-dihydro-3,5'-dioxospiro[androst-4-ene-17,2'-furan]-7a-carboxylic acid

EPLERENONE EP IMPURITY E EPLERENONE 7-BETA-ISOMER
CAS:209253-81-6
ERN05
(7beta, 11a, 17a)-9,11-Epoxy-17-hydroxy-3-oxo-pregn-4-ene-7,21-dicarboxylic acid, ?-lactone, methyl ester

Eplerenone EP Impurity F (Acid) Eplerenone Open-Ring Acid
CAS:579484-30-3
ERN06A
9a,11a-Epoxy-7a-methoxycarbonyl-17�-hydroxy-3-oxopregn-4-ene-21-carboxylic acid

Eplerenone EP Impurity F (Potassium) Eplerenone Open-Ring Acid Potassium Salt
CAS:95716-98-6
ERN06K
9a,11a-Epoxy-7a-methoxycarbonyl-17�-hydroxy-3-oxopregn-4-ene-21-carboxylic acid potassium salt

Eplerenone EP Impurity G Mexrenone
CAS:41020-65-9
ERN07
(2'R)-3',4'-Dihydro-7a-methoxycarbonylspiro[androst-4-ene-17,2'-furan]-3,5'-dione

EPOTHILONE A 12-DESMETHYL EPOTHILONE B
CAS:152044-53-6
EPT01
(1S,3S,7S,10R,11S,12S,16R)-7,11-Dihydroxy-8,8,10,12-tetramethyl-3-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione

EPOTHILONE B PATUPILONE
CAS:152044-54-7
EPT02
(1S,3S,7S,10R,11S,12S,16R)-7,11-Dihydroxy-8,8,10,12,16-pentamethyl-3-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-4,17-dioxabicyclo[14.1.0] heptadecane-5,9-dione

EPOTHILONE D 12,13-DESOXY EPOTHILONE B
CAS:189453-10-9
EPT04
(4S,7R,8S,9S,13Z,16S)-4,8-Dihydroxy-5,5,7,9,13-pentamethyl-16-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]oxacyclohexadec-13-ene-2,6-dione

Eprosartan (Base)
CAS:133040-01-4
EPS00B
(E)-3-[2-Butyl-1-[(4-carboxyphenyl)methyl]-imidazol-5-yl]-2-(2-thienyl methyl)-2-propenoic acid

EPROSARTAN (MESYLATE)
CAS:144143-96-4
EPS00M
(E)-3-[2-Butyl-1-[(4-carboxyphenyl)methyl]-imidazol-5-yl]-2-(2-thienyl methyl)-2-propenoic acid monomethanesulfonate

Eprosartan Dealkyl
CAS:148674-34-4
EPS41
(E)-4-((2-Butyl-5-(2-carboxyvinyl)-1H-imidazol-1-yl)methyl)benzoic acid

EPROSARTAN DIMETHYL DIESTER
CAS:133040-06-9
EPS40
(E)-3-[2-Butyl-1-[(4-carboxyphenyl)methyl]-imidazol-5-yl]-2-(2-thienyl methyl)-2-propenoic acid dimethyl diester

Eprosartan Hydroxy Impurity
EPS42
4-({2-Butyl-5-[2-carboxy-1-hydroxy-3-(thiophen-2-yl)propyl]-1H-imidazol-1-yl}methyl)benzoic acid

Eprosartan USP RC A (Base)
CAS:1169702-90-2
EPS21B
(E)-3-(2-Butyl-1H-imidazol-5-yl)-2-(thiophen-2-yl-methyl)acrylic acid

Eprosartan USP RC A (HCl)
EPS21H
(E)-3-(2-Butyl-1H-imidazol-5-yl)-2-(thiophen-2-yl-methyl)acrylic acid HCl

EPROSARTAN USP RC B
CAS:5928-51-8
EPS22
3-(Thiophen-2-yl)propanoic acid

EPROSARTAN USP RC C
CAS:4475-24-5
EPS23
2-(Thiophen-2-ylmethyl)malonic acid

EPROSARTAN USP RC D
CAS:6232-88-8
EPS24
4-(Bromomethyl)benzoic acid

EPROSARTAN USP RC E
CAS:3006-96-0
EPS25
4-(Hydroxymethyl)benzoic acid

EPROSARTAN USP RC F (Z)-EPROSARTAN
CAS:148674-39-9
EPS26
(Z)-4-({2-Butyl-5-[2-carboxy-3-(thiophen-2-yl)prop-1-enyl]-1H-imidazol-1-yl}methyl)benzoic acid

EQUILENIN
CAS:517-09-9
EQL00
3-Hydroxy-1,3,5(10),6,8-estrapentaen-17-one

EQUILENIN 17A-DIHYDRO IMPURITY
CAS:6639-99-2
EQL57
17a-Dihydroequilenin

Equilenin 17a-Dihydro Sulfate Sodium Salt
CAS:56086-66-9
EQL67N
17a-Dihydroequilenin 3-sulfate sodium salt

Equilenin 17�-Dihydro 17a-Ethinyl Impurity
CAS:1357266-17-1
EQL51
(17a)-19-Norpregna-1,3,5,7,9-pentaen-20-yne-3,17-diol

Equilenin 17�-Dihydro Impurity 17�-Equilenol
CAS:1423-97-8
EQL58
17�-Dihydroequilenin

Equilenin 17�-Dihydro Sulfate (Acid)
CAS:126647-90-3
EQL68A
17�-Dihydroequilenin 3-sulfate

Equilenin 17�-Dihydro Sulfate Sodium Salt
CAS:16680-50-5
EQL68N
17�-Dihydroequilenin 3-sulfate sodium salt

EQUILENIN SODIUM SULFATE
CAS:16680-48-1
EQL50N
3-Hydroxy-1,3,5(10),6,8-estrapentaen-17-one 3-sulfate sodium salt

EQUILIN 17A-DIHYDRO IMPURITY
CAS:651-55-8
EQU57
(17a)-Estra-1,3,5(10),7-tetraene-3,17-diol Estra-1,3,5(10),7-tetraene-3,17a-diol

Equilin 17a-Dihydro Sulfate (Acid)
CAS:73088-23-0
EQU67A
(17a)-Estra-1,3,5(10),7-tetraene-3,17-diol 3-(hydrogen sulfate)

EQUILIN 17A-DIHYDRO SULFATE SODIUM SALT
CAS:56050-05-6
EQU67N
(17a)-Estra-1,3,5(10),7-tetraene-3,17-diol 3-(Hydrogen Sulfate) Sodium Salt

Equilin 17�-Dihydro Impurity
CAS:3563-27-7
EQU58
(17�)-Estra-1,3,5(10),7-tetraene-3,17-diol Estra-1,3,5(10),7-tetraene-3,17�-diol

Equilin 17�-Dihydro Sulfate (Acid)
CAS:126647-89-0
EQU68A
(17�)-Estra-1,3,5(10),7-tetraene-3,17-diol 3-(hydrogen sulfate)

Equilin 17�-Dihydro Sulfate Sodium Salt
CAS:16680-49-2
EQU68N
(17�)-Estra-1,3,5(10),7-tetraene-3,17-diol 3-(hydrogen sulfate) sodium salt

EQUILIN 3-O-METHYL ETHER
CAS:6030-83-7
EQU53
3-Methoxy-1,3,5(10),7-estratetraen-17-one

EQUILIN 7,8-DEHYDROESTRONE
CAS:474-86-2
EQU00
3-Hydroxy-1,3,5(10),7-estratetraen-17-one

EQUILIN SULFATE (ACID)
CAS:27540-07-4
EQU50A
3-(Sulfooxy)estra-1,3,5(10),7-tetraen-17-one

Equilin Sulfate Sodium Salt Sodium Equilin Sulfate Conjugated Estrogen Sodium
CAS:16680-47-0 12126-59-9
EQU50N
3-(Sulfooxy)estra-1,3,5(10),7-tetraen-17-one sodium salt

ERDAFITINIB
CAS:1346242-81-6
EDF00
N-(3,5-Dimethoxyphenyl)-N-(2-(isopropylamino)ethyl)-3-(1-methyl-1H-pyrazol-4-yl)quinoxalin-6-amine

Erdafitinib RC 1
CAS:1346133-39-8
EDF51
N-(3,5-Dimethoxyphenyl)-3-(1-methyl-1H-pyrazol-4-yl)quinoxalin-6-amine

Erdafitinib RC 2
CAS:1346245-04-2
EDF52
3-(1-Methyl-1H-pyrazol-4-yl)quinoxalin-6-amine

ERDOSTEINE
CAS:84611-23-4
ERD00
2-(2-Oxo-2-(2-oxo-tetrahydrothiophen-3-ylamino)ethylthio)acetic acid

ERDOSTEINE ETHYL ESTER
CAS:84611-37-0
ERD52
Ethyl 2-(2-oxo-2-(2-oxo-tetrahydrothiophen-3-ylamino)ethylthio)acetate

Erdosteine Homocysteine (Acid)
ERD50A
4-Mercapto-2-(2-(2-oxo-2-(2-oxo-tetrahydrothiophen-3-ylamino)ethylthio)acetamido)butanoic acid

Erdosteine Homocysteine (Sodium)
ERD50N
4-Mercapto-2-(2-(2-oxo-2-(2-oxo-tetrahydrothiophen-3-ylamino)ethylthio)acetamido)butanoic acid sodium salt

ERDOSTEINE IMPURITY 1
CAS:84611-22-3
ERD61
2-Chloro-N-(2-oxo-tetrahydrothiophen-3-yl)acetamide

ERDOSTEINE IMPURITY 2
ERD62
Ethyl 2-(2-(2-ethoxy-2-oxoethylthio)acetamido)-4-mercaptobutanoate

ERDOSTEINE IMPURITY 3
ERD63
Isopropyl 2-(2-(2-isopropoxy-2-oxoethylthio)acetamido)-4-mercaptobutanoate

ERDOSTEINE IMPURITY 4
ERD64
Methyl 4-mercapto-2-(2-(2-methoxy-2-oxoethylthio)acetamido)butanoate

ERDOSTEINE IMPURITY 5
ERD65
Bis-N-(2-oxo-3-tetrahydrothienyl)thiodiglycolylamide

ERDOSTEINE ISOPROPYL ESTER
ERD53
Isopropyl 2-(2-oxo-2-(2-oxo-tetrahydrothiophen-3-ylamino)ethylthio)acetate

ERDOSTEINE METHYL ESTER
CAS:1667709-77-4
ERD51
Methyl 2-(2-oxo-2-(2-oxo-tetrahydrothiophen-3-ylamino)ethylthio)acetate

ERDOSTEINE THIOACID
CAS:121213-21-6
ERD54A
N-[[(Carboxymethyl)thio]acetyl]homocysteine

ERDOSTEINE THIOACID DIAMMONIUM SALT
ERD54X
N-[[(Carboxymethyl)thio]acetyl]homocysteine Diammonium Salt

ERDOSTEINE THIOACID DISODIUM SALT
CAS:254884-18-9
ERD54N
N-[[(Carboxymethyl)thio]acetyl]homocysteine disodium salt

Ergocalciferol EP Impurity A trans-Vitamin D2
CAS:51744-66-2
EGC01
(5E,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraen-3�-ol

Ergocalciferol EP Impurity B Ergosterol
CAS:57-87-4
EGC02
(22E)-Ergosta-5,7,22-trien-3�-ol

Ergocalciferol EP Impurity C Lumisterol-2
CAS:474-69-1
EGC03
(22E)-9�,10a-Ergosta-5,7,22-trien-3�-ol

Ergocalciferol EP Impurity D Iso-Tachysterol-2
CAS:469-06-7
EGC04
(6E,22E)-9,10-Secoergosta-5(10),6,8(14),22-tetraen-3�-ol

Ergocalciferol EP Impurity E Tachysterol-2
CAS:115-61-7
EGC05
(6E,22E)-9,10-Secoergosta-5(10),6,8,22-tetraen-3�-ol

ERGOCALCIFEROL EP IMPURITY F
EGC06
(5Z,7E,22E)-9,10-Secoergosta-5,7,10(19),22,24(241)-pentaen-3�-ol

Ergocalciferol EP Impurity G Vitamin D4
CAS:511-28-4
EGC07
(5Z,7E)-9,10-Secoergosta-5,7,10(19)-trien-3�-ol

ERGOCALCIFEROL VITAMIN D2
CAS:50-14-6
EGC00
(5Z,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraen-3�-ol

ERISMODEGIB
CAS:956697-53-3
EMG00
rel-N-[6-[(2R,6S)-2,6-Dimethyl-4-morpholinyl]-3-pyridinyl]-2-methyl-4'-(trifluoromethoxy)-[1,1'-biphenyl]-3-carboxamide

ERISMODEGIB IMPURITY 1
CAS:1221722-10-6
EMG51
2-Methyl-4'-(trifluoromethoxy)[1,1'-biphenyl]-3-carboxylic acid

Erismodegib Impurity 2 (HCl)
CAS:1282295-12-8
EMG52H
6-((2R,6S)-2,6-Dimethylmorpholino)pyridin-3-amine hydrochloride

ERLOTINIB 3-BROMO IMPURITY
CAS:2055840-41-8
ELT53H
N-(3-Bromophenyl)[6,7-bis(2-methoxyethoxy)quinazolin-4-yl]amine hydrochloride

Erlotinib 3-Ethyl Analog Tetrahydro Erlotinib
CAS:299912-61-1
ELT42B
N-(3-Ethylphenyl)[6,7-bis(2-methoxyethoxy)quinazolin-4-yl]amine

ERLOTINIB 3-VINYL ANALOG (BASE)
CAS:1058132-82-3
ELT43B
N-(3-Vinylphenyl)[6,7-bis(2-methoxyethoxy)quinazolin-4-yl]amine

ERLOTINIB 3-VINYL ANALOG (HCL)
CAS:1624294-38-7
ELT43H
N-(3-Vinylphenyl)[6,7-bis(2-methoxyethoxy)quinazolin-4-yl]amine hydrochloride

ERLOTINIB 4-HYDROXY METABOLITE (M16)
CAS:882420-22-6
ELT44H
N-(3-Ethynyl-4-hydroxy-phenyl)[6,7-bis(2-methoxyethoxy)quinazolin-4-yl] amine hydrochloride

ERLOTINIB 4-METHYL ANALOG
CAS:1346601-52-2
ELT54H
N-(3-Ethynyl-4-methylphenyl)[6,7-bis(2-methoxyethoxy)quinazolin-4-yl]amine HCl

ERLOTINIB 6-O-CHLOROETHYL ANALOG (BASE)
CAS:183321-83-7
ELT60B
6-(2-Chloroethoxy)-N-(3-ethynylphenyl)-7-(2-methoxyethoxy)-4-quinazolinamine

ERLOTINIB 6-O-CHLOROETHYL ANALOG (HCL)
CAS:183320-04-9
ELT60H
6-(2-Chloroethoxy)-N-(3-ethynylphenyl)-7-(2-methoxyethoxy)-4-quinazolinamine hydrochloride

ERLOTINIB 6-O-DESMETHYL ACETATE
CAS:183320-15-2
ELT56H
6-(2-Acetoxy-ethoxy)-4-(3-ethynyl-phenylamino)-7-(2-methoxy-ethoxy)quinazoline

Erlotinib 6-O-Desmethyl Metabolite (Base) Erlotinib Metabolite M14 6-O-Desmethyl Erlotinib
CAS:183321-86-0
ELT14B
2-[[4-[(3-Ethynylphenyl)amino]-7-(2-methoxyethoxy)-6-quinazolinyl] oxy]ethanol

Erlotinib 6-O-Desmethyl Metabolite (Formate) Erlotinib Formate Metabolite M14 6-O-Desmethyl Erlotinib Formate
ELT14F
2-[[4-[(3-Ethynylphenyl)amino]-7-(2-methoxyethoxy)-6-quinazolinyl] oxy]ethanol formate

Erlotinib 6-O-Desmethyl Metabolite (HCl) Erlotinib HCl Metabolite M14 6-O-Desmethyl Erlotinib HCl
CAS:183320-51-6
ELT14H
2-[[4-[(3-Ethynylphenyl)amino]-7-(2-methoxyethoxy)-6-quinazolinyl] oxy]ethanol HCl

ERLOTINIB 7-O-CHLOROETHYL ANALOG (BASE)
CAS:183321-85-9
ELT57B
7-(2-Chloroethoxy)-N-(3-ethynylphenyl)-6-(2-methoxyethoxy)-4-quinazolinamine

ERLOTINIB 7-O-CHLOROETHYL ANALOG (HCL)
CAS:183320-19-6
ELT57H
7-(2-Chloroethoxy)-N-(3-ethynylphenyl)-6-(2-methoxyethoxy)-4-quinazolinamine hydrochloride

Erlotinib 7-O-Desmethyl Metabolite (Base) Erlotinib Metabolite M13 7-O-Desmethyl Erlotinib
CAS:183320-29-8
ELT13B
2-[[4-[(3-Ethynylphenyl)amino]-6-(2-methoxyethoxy)-7-quinazolinyl] oxy]ethanol

Erlotinib 7-O-Desmethyl Metabolite (Formate) Erlotinib Formate Metabolite M13 7-O-Desmethyl Erlotinib Formate
ELT13F
2-[[4-[(3-Ethynylphenyl)amino]-6-(2-methoxyethoxy)-7-quinazolinyl] oxy]ethanol formate

Erlotinib 7-O-Desmethyl Metabolite (HCl) Erlotinib HCl Metabolite M13 7-O-Desmethyl Erlotinib HCl
CAS:183365-34-6
ELT13H
2-[[4-[(3-Ethynylphenyl)amino]-6-(2-methoxyethoxy)-7-quinazolinyl] oxy]ethanol HCl

ERLOTINIB CARBOXYLIC ACID ERLOTINIB METABOLITE M6
CAS:882420-21-5
ELT46B
N-(3-Carboxymethylphenyl)[6,7-bis(2-methoxyethoxy)quinazolin-4-yl]amine

ERLOTINIB CHLORO IMPURITY
CAS:183322-18-1
ELT49
4-Chloro-6,7-(2-methoxyethoxy)-quinazoline

ERLOTINIB DICHLOROETHYL IMPURITY (BASE)
CAS:183321-82-6
ELT52B
6,7-Bis(2-chloroethoxy)-N-(3-ethynylphenyl)-4-quinazolinamine

ERLOTINIB DICHLOROETHYL IMPURITY (HCL)
CAS:183320-00-5
ELT52H
6,7-Bis(2-chloroethoxy)-N-(3-ethynylphenyl)-4-quinazolinamine HCl

Erlotinib Didesmethyl Impurity (Base) Erlotinib Metabolite M12
CAS:183321-84-8
ELT45B
2,2�-[[4-[(3-Ethynylphenyl)amino]-6,7-quinazolinediyl]bis(oxy)]bis-ethanol

Erlotinib Didesmethyl Impurity (HCl) Erlotinib HCl Metabolite M12
CAS:183320-12-9
ELT45H
2,2�-[[4-[(3-Ethynylphenyl)amino]-6,7-quinazolinediyl]bis(oxy)]bis-ethanol HCl

ERLOTINIB HCL
CAS:183319-69-9
ELT00H
N-(3-Ethynylphenyl)[6,7-bis(2-methoxyethoxy)quinazolin-4-yl]amine hydrochloride

ERLOTINIB LACTAM IMPURITY
CAS:179688-29-0
ELT48
6,7-bis (2-Methoxyethoxy)-quinazolin-4(3H)-one

Erlotinib RC 1
CAS:1470063-80-9
ELT61
2-Methoxyethyl 2-amino-4,5-bis(2-methoxyethoxy)benzoate

Erlotinib RC 2 (Base)
CAS:179688-27-8
ELT62B
Ethyl 2-amino-4,5-bis(2-methoxyethoxy)benzoate

Erlotinib RC 2 (HCl)
CAS:183322-17-0
ELT62H
Ethyl 2-amino-4,5-bis(2-methoxyethoxy)benzoate HCl

Erlotinib RC 3
CAS:1494468-76-6
ELT63
2-Amino-4,5-bis(2-methoxyethoxy)benzaldehyde

Erlotinib RC 4
CAS:80407-64-3
ELT64
3,4-Bis(2-methoxyethoxy)benzaldehyde

Erlotinib RC 5
CAS:13794-72-4
ELT65
6,7-Dimethoxyquinazolin-4(1H)-one

Erlotinib RC 6
CAS:179688-53-0
ELT66
7-Methoxy-4-oxo-1,4-dihydroquinazolin-6-yl acetate

ERTAPENEM (DIACID)
CAS:153832-46-3
ETP00A
[4R-[3(3S*,5S*),4a,5�,6�(R*)]]-3-[[5-[[(3�Carboxyphenyl)amino]carbonyl]-3-pyrrolidinyl]thio]-6-(1-hydroxyethyl)-4-methyl-7-oxo-1�azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid

Ertapenem (disodium)
CAS:153832-38-3
ETP50N
[4R-[3(3S*,5S*),4a,5�,6�(R*)]]-3-[[5-[[(3�Carboxyphenyl)amino]carbonyl]-3-pyrrolidinyl]thio]-6-(1-hydroxyethyl)-4-methyl-7-oxo-1�azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid disodium salt

Ertapenem (Monosodium) Ertapenem Sodium
CAS:153773-82-1
ETP00N
[4R-[3(3S*,5S*),4a,5�,6�(R*)]]-3-[[5-[[(3�Carboxyphenyl)amino]carbonyl]-3-pyrrolidinyl]thio]-6-(1-hydroxyethyl)-4-methyl-7-oxo-1�azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid monosodium salt

ERTAPENEM 4-NITROBENZYL METHYL ESTER
ETP51
(4R,5S,6S)-4-Nitrobenzyl 3-((3S,5S)-5-((3-(methoxycarbonyl)phenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylate

ERTAPENEM DIMER ?N-TERT-BUTYLOXYCARBONYL P-NITROBENZYL DIMETHYL ESTER
ETP56
(4R,5S,6S)-4-Nitrobenzyl 3-((3S,5S)-1-((4R,5S,6S)-3-((3S,5S)-1-(tert-butoxycarbonyl)-5-((3-(methoxycarbonyl)phenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-enecarbonyl)-5-((3-(methoxycarbonyl)phenyl)c

ERTAPENEM DIMER 3
CAS:1199797-42-6
ETP52
(4R,5S,6S)-3-((3S,5S)-5-((3-((2S,3R)-4-((3S,5S)-5-((3-Carboxyphenyl)carbamoyl)pyrrolidin-3-ylthio)-5-carboxy-2-((1S,2R)-1-carboxy-2-hydroxypropyl)-3-methyl-2,3-dihydro-1H-pyrrole-1-carbonyl)phenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-me

ERTAPENEM DIMER ESTER
CAS:402955-38-8
ETP53
(4R,5S,6S)-3-((3S,5S)-5-((3-(((1S,2R)-1-((2S,3R)-4-((3S,5S)-5-((3-Carboxyphenyl)carbamoyl)pyrrolidin-3-ylthio)-5-carboxy-3-methyl-3,4-dihydro-2H-pyrrol-2-yl)-1-carboxypropan-2-yloxy)carbonyl)phenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-m

ERTAPENEM DIMER FORM D IMPURITY
CAS:1199797-41-5
ETP54
(4R,5S,6S)-3-((3S,5S)-1-((3R)-2-((3R)-4-((3S,5S)-5-((3-Carboxyphenyl)carbamoyl)pyrrolidin-3-ylthio)-5-carboxy-3-methyl-3,4-dihydro-2H-pyrrol-2-yl)-3-hydroxybutanoyl)-5-((3-carboxyphenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-

ERTAPENEM DIMER N-CARBOXYBENZYL P-NITROBENZYL METHYL ESTER
ETP55
(4R,5S,6S)-4-Nitrobenzyl 3-((3S,5S)-1-((4R,5S,6S)-3-((3S,5S)-1-(benzyloxycarbonyl)-5-((3-(methoxycarbonyl)phenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-enecarbonyl)-5-((3-(methoxycarbonyl)phenyl)car

ERTAPENEM METHYL ESTER (ACID)
CAS:1633046-82-8
ETP57A
(4R,5S,6S)-3-((3S,5S)-5-((3-(methoxycarbonyl)phenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid

ERTAPENEM METHYL ESTER SODIUM SALT
CAS:1632985-10-4
ETP57N
Sodium (4R,5S,6S)-3-((3S,5S)-5-((3-(methoxycarbonyl)phenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylate

ERTAPENEM N-CARBOXYBENZYL METHYL ESTER
ETP58
Sodium (4R,5S,6S)-3-((3S,5S)-1-(benzyloxycarbonyl)-5-((3-(methoxycarbonyl)phenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylate

ERTAPENEM N-ISOBUTOXYCARBONYL O-(4-NITROBENZYL)
ETP59
(4R,5S,6S)-4-Nitrobenzyl 6-((R)-1-hydroxyethyl)-3-((3S,5S)-1-(isobutoxycarbonyl)-5-((3-(methoxycarbonyl)phenyl)carbamoyl)pyrrolidin-3-ylthio)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylate

ERTAPENEM N-TERT-BUTYLOXYCARBONYL 4-NITROPHENYL METHYL ESTER
ETP61
(4R,5S,6S)-4-Nitrobenzyl 3-((3S,5S)-1-(tert-butoxycarbonyl)-5-((3-(methoxycarbonyl)phenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylate

ERTAPENEM N-TERT-BUTYLOXYCARBONYL METHYL ESTER
ETP62
Sodium (4R,5S,6S)-3-((3S,5S)-1-(tert-butoxycarbonyl)-5-((3-(methoxycarbonyl)phenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylate

ERTAPENEM OPEN-RING TRIACID
CAS:357154-27-9
ETP63
(4R,5S)-3-((3S,5S)-5-((3-Carboxyphenyl)carbamoyl)pyrrolidin-3-ylthio)-5-((1S,2R)-1-carboxy-2-hydroxypropyl)-4-methyl-4,5-dihydro-1H-pyrrole-2-carboxylic acid

ERTAPENEM SIDE CHAIN ACID (BASE)
CAS:791582-43-9
ETP60B
3-[(2S,4S)-4-Mercaptopyrrolidine-2-carboxamido]benzoic acid

ERTAPENEM SIDE CHAIN ACID (HCL)
CAS:219909-83-8
ETP60H
3-[(2S,4S)-4-Mercaptopyrrolidine-2-carboxamido]benzoic acid HCl

ERTUGLIFLOZIN
CAS:1210344-57-2
EGZ00
(1S,2S,3S,4R,5S)-5-(3-(4-Ethoxybenzyl)-4-chlorophenyl)-1-(hydroxymethyl)-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol

Ertugliflozin RC 1
CAS:1528636-39-6
EGZ51
(2S,3R,4S,5S)-2-(3-(4-Ethoxybenzyl)-4-chlorophenyl)-6,6-bis(hydroxymethyl)-2-methoxy-tetrahydro-2H-pyran-3,4,5-triol

Ertugliflozin RC 2
CAS:1500090-84-5
EGZ52
(2S,3S,4S,5R,6R)-6-(((1S,2S,3S,4R,5S)-5-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-2,3-dihydroxy-1-(hydroxymethyl)-6,8-dioxabicyclo[3.2.1]octan-4-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid

Ertugliflozin RC 3 (Base)
CAS:1431329-05-3
EGZ53B
(2R,3S,4S)-2,3,4-Tris(benzyloxy)-4-(4-(benzyloxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl)-1-(4-methylpiperazin-1-yl)butan-1-one

Ertugliflozin RC 3 (Oxalate)
CAS:1431329-06-4
EGZ53X
(2R,3S,4S)-2,3,4-Tris(benzyloxy)-4-(4-((benzyloxy)-methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)-1-(4-methylpiperazin-1-yl)butan-1-one oxalate

Ertugliflozin RC 4
CAS:1298086-17-5
EGZ54
(1S,2S,3S,4R,5S)-5-(3-(4-Hydroxybenzyl)-4-chlorophenyl)-1-(hydroxymethyl)-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol

Ertugliflozin RC 5 Ertugliflozin Hydroxy Impurity
CAS:1298086-28-8
EGZ55
(1S,2S,3S,4R,5S)-5-(4-Chloro-3-((4-ethoxyphenyl)(hydroxy)methyl)phenyl)-1-(hydroxymethyl)-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol

Ertugliflozin RC 6 Ertugliflozin Keto Impurity
CAS:1298086-37-9
EGZ56
(2-Chloro-5-((1S,2S,3S,4R,5S)-2,3,4-trihydroxy-1-(hydroxymethyl)-6,8-dioxa-bicyclo[3.2.1]octan-5-yl)phenyl)(4-ethoxyphenyl)methanone

Ertugliflozin RC 7
CAS:1298086-20-0
EGZ57
((1R,2S,3S,4R,5S)-5-(3-(4-Ethoxybenzyl)-4-chlorophenyl)-2,3,4-trihydroxy-6,8-dioxa-bicyclo[3.2.1]octan-1-yl)methyl acetate

Ertugliflozin RC 8
CAS:1298086-24-4
EGZ58
(1S,2S,3S,4R,5S)-5-(3-(4-(2-Hydroxyethoxy)benzyl)-4-chlorophenyl)-1-(hydroxymethyl)-6,8-dioxa-bicyclo[3.2.1]octane-2,3,4-triol

ERTUGLIFLOZIN TETRAACETATE
CAS:1298086-18-6
EGZ50
5-C-[(Acetyloxy)methyl]-1,6-anhydro-1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-�-L-idopyranose 2,3,4-triacetate

Erythromycin 12-Deshydroxy Impurity Erythromycin B 12-Deoxy Erythromycin
CAS:527-75-3
ETM62
(3R,4S,5S,6R,7R,9R,11R,12S,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,13-dihydroxy-3,5,7,9,11,13-hexamethyl-6-[(3,4,6-trideoxy-3-dimethylamino-�-D-xylo-hexopyranosyl)-oxy]oxacyclotetradecane-2,10-dione

ERYTHROMYCIN A IMINO ETHER
CAS:161193-44-8
ETM51
(3R,4R,5S,6R,9R,10S,11S,12R,13S,15R,Z)-12-[[3,4,6-Trideoxy-3-(dimethylamino)-�-D-xylo-hexopyranosyl]oxy]-6-ethyl-4,5-dihydroxy-10-[(2,6-dideoxy-3-C-methyl-3-O-methyl-a-L-ribohexopyranosyl)oxy]-3,5,9,11,13,15-hexamethyl-7,16-dioxa-2-azabicyclo[11.2.1]hexad

Erythromycin C 3-O-Desmethyl Erythromycin
CAS:1675-02-1
ETM53
(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-hydroxy-a-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[(3,4,6-trideoxy-3-dimethylamino-�-D-xylo-hexopyranosyl)-oxy]oxacyclotetradecane-2,10-dione

Erythromycin EP Impurity A Erythromycin F Erythromycin A 2-Hydroxymethyl Analog
CAS:82230-93-1
ETM01
(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3-(hydroxymethyl)-5,7,9,11,13-pentamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylo-hexopyranosyl]oxy] oxacyclotetradecane

Erythromycin EP Impurity B Erythromycin USP RC N N-Desmethylerythromycin A Clarithromycin EP Impurity R
CAS:992-62-1
ETM02
(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(methylamino)-�-D-xylohexopyranosyl]oxy]oxacyclotetradecane-2,10-dione

ERYTHROMYCIN EP IMPURITY C ERYTHROMYCIN E
CAS:41451-91-6
ETM03
(2S,4aR,4'R,5'S,6'S,7R,8S,9R,10R,12R,14R,15R,16S)7-Ethyl-5',8,9,14-tetrahydroxy-4'-methoxy-4',6',8,10,12,14,16-heptamethyl-15-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylo-hexopyranosyl]oxy]hexadecahydrospiro[5H,11H-1,3-dioxino[5,4c]oxacyclotetradecin-2,2'-

Erythromycin EP Impurity D Anhydro Erythromycin A
CAS:23893-13-2
ETM04
(1S,2R,3R,4S,5R,8R,9S,10S,11R,12R,14R)-9[(2,6-Dideoxy-3-C-methyl-3-O-methyl-a-Lribo-hexopyranosyl)oxy]-5-ethyl-3-hydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylo-hexopyranosyl]oxy]-6,15,16-trioxatricyclo[10.2.1.11,4]hexadec

ERYTHROMYCIN EP IMPURITY E ERYTHROMYCIN A ENOL ETHER
CAS:33396-29-1
ETM05
(2R,3R,4S,5R,8R,9S,10S,11R,12R)-9-[(2,6-Dideoxy-3C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-5-ethyl-3,4-dihydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylohexopyranosyl]oxy]-6,15-dioxabicyclo[10.2.1]pentadec1(14)-en-7-o

ERYTHROMYCIN EP IMPURITY F PSEUDOERYTHROMYCIN A ENOL ETHER
CAS:105882-69-7
ETM06
(2R,3R,6R,7S,8S,9R,10R)-7-[(2,6-Dideoxy-3-C-methyl3-O-methyl-a-L-ribo-hexopyranosyl) oxy]-3-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylohexopyranosyl]oxy]-4,13-dioxabicyclo[8.2.1 ]tridec-1(12)

Erythromycin EP Impurity H Erythromycin A N-Oxide
CAS:992-65-4
ETM08
(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylohexopyranosyl]oxy]oxacyclotetradecane-2,10-dione N-oxid

Erythromycin EP Impurity I Erythralosamine
CAS:546-57-6
ETM09
(1S,4S,5R,8R,9S,10S,11R,12R,14R)-5-Ethyl-9-hydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylo-hexopyranosyl]oxy]-6,15,16-trioxatricyclo[10.2.1.11,4]hexadec-2-en-7-one

Erythromycin EP Impurity J Pseudoerythromycin A Hemiketal
CAS:105900-46-7
ETM10
(1RS,2R,3R,6R,7S,8S,9R,10R,12R)-7-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-3-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-1-hydroxy-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylo-hexopyranosyl]oxy]-4,13-dioxabicyclo[

Erythromycin EP Impurity K Erythromycin D
CAS:33442-56-7
ETM11
(3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-4-[(2,6-Dideoxy-3-C-methyl-a-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12-dihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylohexopyranosyl]oxy]oxacyclotetradecane-2,10-dione

Erythromycin EP Impurity L N-Demethyl N-Formyl Erythromycin A
CAS:127955-44-6
ETM12
(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(formylmethylamino)-�-D-xylohexopyranosyl]oxy]oxacyclotetradecane-2,10-dione

Erythromycin EP Impurity M Erythromycin G 12-Deoxy Erythromycin 2-Hydroxymethyl Analog
CAS:616234-56-1
ETM13
(3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12-dihydroxy-3-(hydroxymethyl)-5,7,9,11,13-pentamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylohexopyranosyl]oxy]oxacyclotetradecane-2,10

Erythromycin EP Impurity N Erythronolide B
CAS:3225-82-9
ETM14
(3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-14-ethyl-4,6,7,12-tetrahydroxy-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione

ERYTHROMYCIN ERYTHROMYCIN A
CAS:114-07-8
ETM00B
(3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[(3,4,6-trideoxy-3-dimethylamino-�-D-xylo-hexopyranosyl)-oxy]oxacyclotetradecane-2,10-dione

ERYTHROMYCIN STEARATE
CAS:643-22-1
ETM00S
Erythromycin octadecanoate salt

EsCitalopram Desfluoro Impurity (Oxalate) Desfluoro EsCitalopram Oxalate
CAS:1346617-30-8
ECT52X
(1S)-1-[3-(Dimethylamino)propyl]-1-phenyl-1,3-dihydroisobenzofuran-5-carbonitrile oxalate

EsCitalopram EP Impurity A Citalopram EP Impurity A Citalopram Amide
CAS:64372-56-1
ECT01
1-(3-(Dimethylamino)propyl)-1-(4'-fluorophenyl)-1,3-dihydro isobenzo furan-5-carboxamide

EsCitalopram EP Impurity B (Base) Citalopram EP Impurity B Citalopram USP RC B 3-Hydroxy Citalopram
CAS:411221-53-9
ECT02B
1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-3-hydroxy-1,3-dihydro isobenzofuran-5-carbonitrile

EsCitalopram EP Impurity B (Oxalate) Citalopram EP Impurity B Citalopram USP RC B 3-Hydroxy Citalopram Oxalate
CAS:1332724-03-4
ECT02X
1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-3-hydroxy-1,3-dihydro isobenzofuran-5-carbonitrile oxalate

EsCitalopram EP Impurity C (Base) Citalopram EP Impurity C Citalopram USP RC C 3-Oxo Citalopram
CAS:372941-54-3
ECT03B
3-[3-(Dimethylamino)-1-propyl](4-fluorophenyl)-6-cyano-1(3H)-isobenzofuranone

EsCitalopram EP Impurity C (Oxalate) Citalopram EP Impurity C Citalopram USP RC C 3-Oxo Citalopram Oxalate
CAS:1440961-11-4
ECT03X
3-[3-(Dimethylamino)-1-propyl](4-fluorophenyl)-6-cyano-1(3H)-isobenzofuranone oxalate salt

EsCitalopram EP Impurity D (Base) EsCitalopram USP RC D Citalopram EP Impurity D N-Desmethyl Citalopram
CAS:62498-67-3
ECT04B
1-(4'-Fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzo furan-5-carbonitrile

EsCitalopram EP Impurity D (HBr) EsCitalopram USP RC D Citalopram EP Impurity D N-Desmethyl Citalopram HBr
CAS:1188264-72-3
ECT64H
1-(4'-Fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzo furan-5-carbonitrile hydrobromide

EsCitalopram EP Impurity D (HCl) EsCitalopram USP RC D Citalopram EP Impurity D N-Desmethyl Citalopram HCl
CAS:97743-99-2
ECT04H
1-(4'-Fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzo furan-5-carbonitrile hydrochloride

EsCitalopram EP Impurity E (Base) Escitalopram USP RC A Citadiol Citalopram Dihydroxy Impurity (Base)
CAS:103146-25-4
ECT05B
4-{4-(Dimethylamino)-[1-(4-fluorophenyl)-1-hydroxybutyl]}-3-(hydroxymethyl) benzonitrile

EsCitalopram EP Impurity E (DTT) Escitalopram USP RC A Citadiol Di-p-Toluoyl-D-Tartrate Salt (21) Citalopram Dihydroxy Impurity (DTT)
CAS:128173-53-5
ECT05T
4-{4-(Dimethylamino)-[1-(4-fluorophenyl)-1-hydroxybutyl]}-3-(hydroxymethyl) benzonitrile di-p-toluoyl-D-tartrate salt (21)

EsCitalopram EP Impurity E (HBr) Escitalopram USP RC A Citadiol HBr Citalopram Dihydroxy Impurity (HBr)
CAS:103146-26-5
ECT05H
4-{4-(Dimethylamino)-[1-(4-fluorophenyl)-1-hydroxybutyl]}-3-(hydroxymethyl) benzonitrile HBr

ESCITALOPRAM EP IMPURITY F
CAS:2102609-59-4
ECT06
(1RS)-1-[3-(Dimethylamino)propyl]-1-hydroxy-1,3-dihydroisobenzofuran-5-carbonitrile

EsCitalopram EP Impurity G (Base) Citalopram EP Impurity G
CAS:1329745-98-3
ECT07B
4-(Dimethylamino)-1-[(1RS)-1-[3- (dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2- benzofuran-5-yl]butan-1-one

EsCitalopram EP Impurity G (Oxalate) Citalopram EP Impurity G
ECT07X
4-(Dimethylamino)-1-[(1RS)-1-[3- (dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2- benzofuran-5-yl]butan-1-one oxalate

EsCitalopram EP Impurity H (Base) Citalopram USP RC E Citalopram N-Oxide
CAS:63284-72-0
ECT08B
1-(3-Dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzo furan-5-carbonitrile N-oxide

EsCitalopram EP Impurity H (HCl) Citalopram USP RC E (HCl) Citalopram N-Oxide HCl
CAS:62498-71-9
ECT08H
1-(3-Dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzo furan-5-carbonitrile N-oxide HCl

ESCITALOPRAM EP IMPURITY I (BASE)
CAS:1370643-22-3
ECT09B
4-[(1Z)-4-(Dimethylamino)-1-(4-fluorophenyl)but-1-en-1-yl]-3-(hydroxy methyl)benzonitrile

ESCITALOPRAM EP IMPURITY I (OXALATE)
ECT09X
4-[(1Z)-4-(Dimethylamino)-1-(4-fluorophenyl)but-1-en-1-yl]-3-(hydroxy methyl)benzonitrile oxalate

Escitalopram EP Impurity J (Anhydrous) Anastrozole EP Impurity F Lisinopril EP Impurity B Sultamicillin EP Impurity B Tizanidine EP Impurity I
CAS:104-15-4
ECT10A
4-Methylbenzenesulfonic Acid

Escitalopram EP Impurity J (Monohydrate) Anastrozole EP Impurity F Lisinopril EP Impurity B Sultamicillin EP Impurity B Tizanidine EP Impurity I
CAS:6192-52-5
ECT10H
4-Methylbenzenesulfonic acid monohydrate

EsCitalopram EP Impurity K (Base) Citalopram R-Isomer
CAS:128196-02-1
ECT11B
(R)-(-)-1-(3-Dimethylaminopropyl)-1-(4-fluoro-phenyl)-1,3-dihydro-isobenzofuran-5-carbonitrile

EsCitalopram EP Impurity K (Oxalate) Citalopram R-Isomer (Oxalate)
CAS:219861-53-7
ECT11X
(R)-(-)-1-(3-Dimethylaminopropyl)-1-(4-fluoro-phenyl)-1,3-dihydro-isobenzofuran-5-carbonitrile oxalate

EsCitalopram EP Impurity L (Base) Desfluoro Citalopram
CAS:1026009-77-7
ECT12B
(1RS)-1-[3-(Dimethylamino)propyl]-1-phenyl-1,3-dihydroisobenzofuran-5-carbonitrile

EsCitalopram EP Impurity L (Oxalate) Desfluoro Citalopram Oxalate
CAS:1093072-86-6
ECT12X
(1RS)-1-[3-(Dimethylamino)propyl]-1-phenyl-1,3-dihydroisobenzofuran-5-carbonitrile oxalate

ESCITALOPRAM EP IMPURITY M CITALOPRAM CARBOXYLIC ACID IMPURITY
CAS:440121-09-5
ECT13
(1RS)-1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydroisobenzo furan-5-carboxylic acid

EsCitalopram N-Desmethyl (Base) N-Desmethyl (S)-Citalopram
CAS:144025-14-9
ECT54B
(S)-1-(4'-Fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzo furan-5-carbonitrile

EsCitalopram N-Desmethyl (HCl) N-Desmethyl (S)-Citalopram HCl
ECT54H
(S)-1-(4'-Fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzo furan-5-carbonitrile hydrochloride

EsCitalopram N-Desmethyl (Oxalate) N-Desmethyl (S)-Citalopram Oxalate
ECT54X
(S)-1-(4'-Fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzo furan-5-carbonitrile oxalate

ESCITALOPRAM N-OXIDE
CAS:917482-45-2
ECT58B
(S)-1-(3-Dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzo furan-5-carbonitrile N-oxide

EsCitalopram N-Oxide (HCl)
ECT58H
(S)-1-(3-Dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzo furan-5-carbonitrile N-oxide HCl

EsCitalopram Oxalate Citalopram S-Isomer Oxalate
CAS:219861-08-2
ECT00X
S-(+)-1-[3-(Dimethylamino)propyl]-1-(p-fluorophenyl)-5-phthalan carbonitrile oxalate

Esmolol (Base)
CAS:81147-92-4
ESZ00B
Methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)propanoate

Esmolol (HCl)
CAS:81161-17-3
ESZ00H
Methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)propanoate hydrochloride

Esmolol (R)-Isomer (Base)
CAS:117405-53-5
ESZ50B
(R)-methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)propanoate

Esmolol (R)-Isomer (HCl)
CAS:118629-36-0
ESZ50H
(R)-Methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)propanoate hydrochloride

Esmolol (S)-Isomer (Base)
CAS:115729-56-1
ESZ51B
(S)-Methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)propanoate

Esmolol (S)-Isomer (HCl)
CAS:112923-91-8
ESZ51H
(S)-Methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)propanoate hydrochloride

ESMOLOL ACID
CAS:81148-15-4
ESZ54
3-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)propanoic acid

Esmolol Acid (R)-Isomer
CAS:910651-37-5
ESZ52
(R)-3-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)propanoic acid

Esmolol Acid (S)-Isomer
CAS:910651-36-4
ESZ53
(S)-3-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)propanoic acid

Esmolol Acid N-Boc
ESZ55
3-(4-(3-(tert-Butoxycarbonyl)-2-hydroxypropoxy)phenyl)propanoic acid

Esmolol Dimer (Base)
CAS:98903-89-0
ESZ56B
Methyl 3-(4-(2-hydroxy-3-(3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)-N-isopropylpropanamido)propoxy)phenyl)propanoate

Esmolol Dimer (TFA Salt)
ESZ56T
Methyl 3-(4-(2-hydroxy-3-(3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)-N-isopropylpropanamido)propoxy)phenyl)propanoate TFA salt

Esmolol Dimer N-Boc
ESZ57
Methyl 3-(4-(3-(3-(4-(3-(tert-butoxycarbonyl)-2-hydroxypropoxy)phenyl)-N-isopropylpropanamido)-2-hydroxypropoxy)phenyl)propanoate

Esmolol Isopropyl Amine (Base)
CAS:83356-59-6
ESZ58B
3-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)-N-isopropylpropanamide

Esmolol Isopropyl Amine (HCl)
ESZ58H
3-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)-N-isopropylpropanamide hydrochloride

Esmolol N-Ethyl
ESZ59
Methyl 3-(4-(3-(ethylamino)-2-hydroxypropoxy)phenyl)propanoate

Esmolol RC 1
CAS:246219-23-8
ESZ61
(R)-Methyl 3-(4-(oxiran-2-ylmethoxy)phenyl)propanoate

Esmolol RC 2
CAS:112805-58-0
ESZ62
(S)-Methyl 3-(4-(oxiran-2-ylmethoxy)phenyl)propanoate

Esomeprazole (Acid)
CAS:119141-88-7
EOM00A
6-Methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole

ESOMEPRAZOLE (MAGNESIUM TRIHYDRATE)
CAS:217087-09-7
EOM00M
5-Methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]sulfinyl] benzimidazole magnesium salt (21), trihydrate

Esomeprazole (Magnesium)
CAS:161973-10-0
EOM00X
5-Methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]sulfinyl] benzimidazole magnesium salt (21)

Esomeprazole (Potassium)
CAS:161796-84-5
EOM00K
6-Methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole potassium salt

EsOmeprazole Desmethylsulfinyl Impurity Omeprazole Desmethylsulfinyl Impurity
EOM50
5-Methoxy-2-(4-Methoxy-3,5-Dimethylpyridin-2-yl)-1H-Benzimidazole

Esomeprazole EP Impurity A Omeprazole EP Imp. A
CAS:37052-78-1
EOM01
5-methoxy-1H-benzimidazole-2-thiol

Esomeprazole EP Impurity B Omeprazole EP Imp. B 4-Desmethoxy Omeprazole
CAS:110374-16-8
EOM02
5-Methoxy-2-[[(3,5-dimethylpyridin-2-yl) methyl] sulfinyl]-1H-benzimidazole

Esomeprazole EP Impurity C Omeprazole EP Imp. C
CAS:73590-85-9
EOM03
5-Methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfanyl]-1H-benzimidazole

Esomeprazole EP Impurity D Omeprazole EP Imp. D Esomeprazole USP RC A
CAS:88546-55-8
EOM04
5-Methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl) methyl]sulfonyl]-1H-benzimidazole

Esomeprazole EP Impurity E Omeprazole EP Imp. E Omeprazole N-Oxide
CAS:176219-04-8
EOM05
5-Methoxy-2-[[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfinyl]-1H-benzimidazole N-Oxide

Esomeprazole EP Impurity F (Na) Omeprazole R-Isomer (Na) Esomeprazole Sodium EP Impurity B (Na)
CAS:161796-77-6
EOM06N
6-Methoxy-2-[(R)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole Sodium Salt

Esomeprazole EP Impurity F (Potassium) Omeprazole R-Isomer (Potassium) Esomeprazole Sodium EP Impurity B (Potassium)
EOM06K
6-Methoxy-2-[(R)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole potassium salt

Esomeprazole Impurity H (Acid) Omeprazole Pyridone Acid Carboxylate Omeprazole Isomer
CAS:1227380-90-6
EOM40A
1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid

Esomeprazole Impurity H (Na) Omeprazole Pyridone Acid Sodium Salt
EOM40N
1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid sodium salt

Esomeprazole Impurity H (NH4) Omeprazole Pyridone Acid Ammonium Salt
EOM40M
1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid ammonium salt

Esomeprazole Pyridone Dimer Acid Omeprazole Pyridone Dimer Acid
EOM54A
1-(5-Methoxy-1-(1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carbonyl)-1H-benzo[d]imidazol-2-yl)-3,5-dimethyl-4-oxo-1,4-dihydropyridine-2-carboxylic acid

Esomeprazole RC 1 (Base)
CAS:220771-03-9
EOM61B
2-(Chloromethyl)-3,5-dimethylpyridin-4-ol

Esomeprazole RC 1 (HCl)
CAS:220770-99-0
EOM61H
2-(Chloromethyl)-3,5-dimethylpyridin-4-ol hydrochloride

Esomeprazole RC 2
CAS:37466-89-0
EOM62B
3-methoxybenzene-1,2-diamine

Esomeprazole RC 3
CAS:149367-83-9
EOM63B
4-Methoxy-1H-benzo[d]imidazole-2-thiol

Esomeprazole RC 4
CAS:4887-80-3
EOM64B
5-Methoxy-1H-benzo[d]imidazole

Esomeprazole RC 5
CAS:1346599-74-3
EOM65B
5-Methoxy-1-((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)-2-((4-methoxy-3,5-dimethylpyridin-2-yl)methylsulfonyl)-1H-benzo[d]imidazole

ESOMEPRAZOLE SODIUM
CAS:161796-78-7
EOM00N
6-Methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole sodium salt

ESOMEPRAZOLE TRIMETHYL-4-PYRIDONE IMPURITY
EOM51
1-(5-Methoxy-1H-benzo[d]imidazol-2-yl)-2,3,5-trimethylpyridin-4(1H)-one

ESTRADIOL 16-KETO IMPURITY
CAS:566-75-6
ETL66
(17�)-3,17-Dihydroxyestra-1,3,5(10)-trien-16-one

ESTRADIOL 17-DESOXY IMPURITY
CAS:53-63-4
ETL50
(8S,9S,13S,14S)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-ol

ESTRADIOL 17A-HYDROXY SULFATE SODIUM SALT
CAS:56050-04-5
ETL58N
(17a)-Estra-1,3,5(10)-triene-3,17-diol 3-(hydrogen sulfate) sodium salt

Estradiol 17�-Estradiol 16-Deshydroxy Estriol
CAS:50-28-2
ETL00A
Estra-1,3,5(10)-triene-3,17�-diol

Estradiol 17�-Hydroxy Sulfate Sodium Salt
CAS:4999-79-5
ETL59N
(17�)-Estra-1,3,5(10)-triene-3,17-diol 3-(hydrogen sulfate) sodium salt

ESTRADIOL 2-METHYL IMPURITY
CAS:1818-12-8
ETL52
(17�)-2-Methylestra-1,3,5(10)-triene-3,17-diol 2-Methyl-17�-estradiol

ESTRADIOL 4-METHOXY IMPURITY
CAS:26788-23-8
ETL64
(17�)-4-Methoxy-estra-1,3,5(10)-triene-3,17-diol

ESTRADIOL 6A-HYDROXY IMPURITY
CAS:1229-24-9
ETL61
3,6a,17�-Estratriol

Estradiol 6�-Hydroxy Impurity
CAS:3/7/3583
ETL62
3,6�,17�-Estratrienetriol

ESTRADIOL BENZOATE
CAS:50-50-0
EDB00
17�-Hydroxyestra-1,3,5(10)-trien-3-yl benzoate

Estradiol Benzoate EP Impurity A 17�-Estradiol Estradiol
CAS:50-28-2
EDB01
Estra-1,3,5(10)-triene-3,17�-diol

Estradiol Benzoate EP Impurity B 4-Methyl Estradiol 3-O-Benzoate
EDB02
17�-Hydroxy-4-methylestra-1,3,5(10)-trien-3-yl benzoate

Estradiol Benzoate EP Impurity C 17b-Estradiol Dibenzoate
CAS:4147-13-1
EDB03
Estra-1,3,5(10)-triene-3,17�-diyl dibenzoate

ESTRADIOL BENZOATE EP IMPURITY D
CAS:983-30-2
EDB04
3-Hydroxyestra-1,3,5(10)-trien-17�-yl benzoate

ESTRADIOL BENZOATE EP IMPURITY E
CAS:6045-53-0
EDB05
17a-Hydroxyestra-1,3,5(10)-trien-3-yl benzoate

ESTRADIOL BENZOATE EP IMPURITY F
CAS:95870-51-2
EDB06
17�-Hydroxyestra-1,3,5(10),9(11)-tetraen-3-yl benzoate

ESTRADIOL BENZOATE EP IMPURITY G ESTRONE BENZOATE
CAS:2393-53-5
EDB07
17-Oxoestra-1,3,5(10)-trien-3-yl benzoate

ESTRADIOL BENZOATE EP IMPURITY H
CAS:4954-17-0
EDB08
Estra-1,3,5(10)-triene-3,17�-diyl-17-acetate-3-benzoate

ESTRADIOL DIVALERATE 6-KETO IMPURITY
CAS:1350468-78-8
EDV57
(17�)-3,17-Bis[(1-oxopentyl)oxy]-estra-1,3,5(10)-trien-6-one

ESTRADIOL DIVALERATE 6A-HYDROXY IMPURITY
CAS:1350468-75-5
EDV56
(6a,17�)-Estratriol 3,17-Dipentanoate (6a,17�)-Estra-1,3,5(10)-triene-3,6,17-triol 3,17-Dipentanoate

Estradiol Divalerate Estradiol 3,17�-Divalerate Estradiol Valerate EP Impurity E
CAS:63042-28-4
EDV55
(17�)-Estra-1,3,5(10)-triene-3,17-diol 3,17-Dipentanoate

Estradiol EP Impurity A Estriol EP Impurity B Ethinylestradiol EP Impurity C Estrone
CAS:53-16-7 19973-76-3
ETL01
3-Hydroxyestra-1,3,5(10)-trien-17-one

Estradiol EP Impurity B Ethinylestradiol EP Impurity L 17a-Estradiol Estriol EP Impurity J
CAS:57-91-0
ETL02
Estra-1,3,5(10)-triene-3,17a-diol

ESTRADIOL EP IMPURITY C 4-METHYL ESTRADIOL
CAS:6171-48-8
ETL03
4-Methylestra-1,3,5(10)-triene-3,17�-diol

Estradiol EP Impurity D ?9(11)-Estradiol
CAS:791-69-5
ETL04
Estra-1,3,5(10),9(11)-tetraene-3,17�-diol

Estradiol Hemihydrate 17�-Estradiol Hemihydrate 16-Deshydroxy Estriol Hemihydrate
CAS:35380-71-3
ETL00H
Estra-1,3,5(10)-triene-3,17�-diol hemihydrate

ESTRADIOL USP RC B 6,7-DEHYDRO ESTRADIOL
CAS:7291-41-0
ETL22
(17�)-Estra-1,3,5(10),6-tetraene-3,17-diol Estra-1,3,5(10),6-tetraene-3,17�-diol

ESTRADIOL USP RC C 6-KETO ESTRADIOL
CAS:571-92-6
ETL23
3,17�-Dihydroxyestra-1,3,5(10)-trien-6-one

ESTRADIOL VALERATE 17A-ISOMER
CAS:182624-54-0
EDV67
(17a)-Estra-1,3,5(10)-triene-3,17-diol 17-pentanoate

ESTRADIOL VALERATE 6-KETO IMPURITY
CAS:1313382-51-2
EDV60
6-Oxo-17�-estradiol 17-Valerate

ESTRADIOL VALERATE 6A-HYDROXY IMPURITY
CAS:1313382-26-1
EDV61
(6a,17�)-Estra-1,3,5(10)-triene-3,6-17-triol 17-pentanoate

Estradiol Valerate 6�-Hydroxy Impurity
CAS:1313382-32-9
EDV62
(6�,17�)-Estra-1,3,5(10)-triene-3,6,17-triol 17-Pentanoate 6�-Hydroxy-17�-estradiol 17-Valerate

Estradiol Valerate EP Impurity A Estradiol 17�-Estradiol 16-Deshydroxy Estriol Ethinylestradiol EP Impurity D Estradiol Benzoate EP Impurity A
CAS:50-28-2
EDV01
Estra-1,3,5(10)-triene-3,17�-diol

ESTRADIOL VALERATE EP IMPURITY B ESTRADIOL 3-VALERATE
CAS:21881-45-8
EDV02
17�-Hydroxyestra-1,3,5(10)-trien-3-yl pentanoate

ESTRADIOL VALERATE EP IMPURITY C
CAS:95959-20-9
EDV03
3-Hydroxyestra-1,3,5(10),9(11)-tetraen-17�-yl pentanoate

ESTRADIOL VALERATE EP IMPURITY D
CAS:1359847-37-2
EDV04
3-Hydroxy-4-methylestra-1,3,5(10)-trien-17�-yl pentanoate

ESTRADIOL VALERATE EP IMPURITY E ESTRADIOL 3,17-DIVALERATE
CAS:63042-28-4
EDV05
Estra-1,3,5(10)-trien-3,17�-diyl dipentanoate

ESTRADIOL VALERATE EP IMPURITY F ESTRADIOL 17-BUTYRATE
CAS:18069-79-9
EDV06
3-Hydroxyestra-1,3,5(10)-trien-17�-yl butanoate

Estradiol Valerate EP Impurity G Estradiol Valerate 6-Dehydro Impurity 6-Dehydro Estradiol 17-Valerate
CAS:1313382-25-0
EDV07
(17�)-Estra-1,3,5(10),6-tetraene-3,17-diol 17-pentanoate

Estradiol Valerate EP Impurity H Estradiol Valerate 2-Valeryl Impurity 2-Valeryl-17�-Estradiol 17-Valerate
CAS:1421283-56-8
EDV08
(17�)-2-Valerylestra-1,3,5(10)-triene-1,17-diol 17-Pentanoate

Estradiol Valerate Estradiol 17-Valerate
CAS:979-32-8
EDV00
3-Hydroxyestra-1,3,5(10)-trien-17�-yl pentanoate

ESTRATETRAENOL
CAS:1150-90-9
PRM09
Estra-1,3,5(10),16-tetraen-3-ol

ESTRATETRAENOL METHYL ETHER
CAS:28336-31-4
PRM10
3-Methoxy-estra-1,3,5(10),16-tetraene

Estratetraenone ?8,9-Dehydro Estrone ?8-Isoequilin
CAS:474-87-3
PRM11
Estra-1,3,5(10),8-tetraen-3-ol-17-one

ESTRATETRAENONE METHYL ETHER
CAS:6885-44-5
PRM12
3-Methoxy-estra-1,3,5(10),8-tetraen-17-one

Estratetraenyl Acetate Estratetraenol Acetate
PRM19
Estra-1,3,5(10),16-tetraen-3-yl acetate

ESTRIOL
CAS:50-27-1
EST00
Estra-1,3,5(10)-triene-3,16a,17�-triol

Estriol EP Impurity A Estriol USP RC A 9,11-Didehydroestriol
CAS:246021-20-5
EST01
Estra-1,3,5(10),9(11)-tetraene-3,16a,17�-triol

ESTRIOL EP IMPURITY B ESTRONE ETHINYLESTRADIOL EP IMPURITY C
CAS:53-16-7
EST02
3-Hydroxyestra-1,3,5(10)-trien-17-one

ESTRIOL EP IMPURITY C ESTRIOL 3-METHYL ETHER
CAS:1474-53-9
EST03
3-Methoxyestra-1,3,5(10)-triene-16a,17�-diol

Estriol EP Impurity D Estradiol 17�-Estradiol 16-Deshydroxy Estriol
CAS:50-28-2
EST04
Estra-1,3,5(10)-triene-3,17�-diol

ESTRIOL EP IMPURITY E 17-EPI-ESTRIOL
CAS:1228-72-4
EST05
Estra-1,3,5(10)-triene-3,16a,17a-triol

ESTRIOL EP IMPURITY F 16-EPI-ESTRIOL
CAS:547-81-9
EST06
Estra-1,3,5(10)-triene-3,16�,17�-triol

ESTRIOL EP IMPURITY G 16,17-EPI-ESTRIOL
CAS:793-89-5
EST07
Estra-1,3,5(10)-triene-3,16�,17a-triol

ESTRIOL EP IMPURITY H 16A-HYDROXY ESTRONE
CAS:566-76-7
EST08
3,16a-Dihydroxyestra-1,3,5(10)-trien-17-one

ESTRIOL EP IMPURITY I
CAS:15370-49-7
EST09
(4aS,4bR,10bS,12aS)-8-Hydroxy-12a-methyl-4,4a,5,6,10b,11,12,12a-octahydro-3H-naphtho[2,1-f]isochromen-1(4bH)-one

Estriol EP Impurity J Estradiol EP Impurity B 17-Epi-Estradiol 17a-Estradiol
CAS:57-91-0
EST10
Estra-1,3,5(10)-triene-3,17a-diol

Estriol EP Impurity K Estrone Acetate
CAS:901-93-9
EST11
17-Oxoestra-1,3,5(10)-trien-3-yl acetate

Estrone (+)-Estrone Estradiol EP Impurity A Estriol EP Impurity B Ethinylestradiol EP Impurity C
CAS:53-16-7
ETN00
1,3,5(10)-Estratrien-3-ol-17-one

ESTRONE 1-METHYL IMPURITY
CAS:4011-48-7
ETN71
3-Hydroxy-1-methyl-estra-1,3,5(10)-trien-17-one

ESTRONE 13-ETHYL 3-METHOXY IMPURITY
CAS:848-04-4
ETN73
13-Ethyl-3-methoxy-gona-1,3,5(10)-trien-17-one

ESTRONE 2-METHOXY IMPURITY 2-HYDROXYESTRONE 2-METHYL ETHER
CAS:362-08-3
ETN50
3-Hydroxy-2-methoxyestra-1,3,5(10)-trien-17-one

ESTRONE 3-ACETATE 1-METHYL IMPURITY
CAS:30903-07-2
ETN51
3-(Acetyloxy)-1-methylestra-1,3,5(10)-trien-17-one

ESTRONE 3-O-METHYL HYDRAZONE IMPURITY
CAS:105663-60-3
ETN52
3-Methoxy-estra-1,3,5(10)-trien-17-one hydrazone

Estrone 3-O-Methyl Impurity (+)-Estrone 3-Methyl Ether
CAS:1624-62-0
ETN53
3-Methoxy-estra-1,3,5(10)-trien-17-one

ESTRONE 3-SULFATE SODIUM SALT
CAS:438-67-5
ETN54
Estra-1,3,5(10)-trien-17-one 3-(sulfooxy) sodium salt

ESTRONE 4-HYDROXY IMPURITY
CAS:3131-23-5
ETN55
3,4-Dihydroxyestra-1,3,5(10)-trien-17-one

ESTRONE 4-METHOXY IMPURITY
CAS:58562-33-7
ETN56
3-Hydroxy-4-methoxyestra-1,3,5(10)-trien-17-one

ESTRONE 4-METHYL IMPURITY
ETN57
3-Hydroxy-4-methylestra-1,3,5(10)-trien-17-one

ESTRONE 6-DEHYDRO IMPURITY
CAS:2208-12-0
ETN58
6,7-Dehydroestrone

ESTRONE 6-KETO IMPURITY 6-OXO ESTRONE
CAS:1476-34-2
ETN59
3-Hydroxyestra-1,3,5(10)-triene-6,17-dione

ESTRONE 6A-HYDROXY IMPURITY
CAS:1476-78-4
ETN60
(6a)-3,6-Dihydroxyestra-1,3,5(10)-trien-17-one

Estrone 8(9)-Dehydro Impurity Estratetraenone
CAS:474-87-3
ETN61
3-Hydroxyestra-1,3,5(10),8-tetraen-17-one

Estrone 9-Dehydro Impurity 9(11)-Dehydro Estrone
CAS:1089-80-1
ETN62
3-Hydroxy-estra-1,3,5(10),9(11) -tetraen-17-one

ESTRONE DIMER
ETN33
Estrone 3,3'-Dimer

ETACRYNIC ACID EP IMPURITY A
CAS:1217-67-0
ECN01
(2,3-Dichloro-4-butyrylphenoxy)acetic acid

Etacrynic Acid EP Impurity B Ethacrynic Acid 2-Chloromethyl Analog
CAS:27929-18-6
ECN02
[2,3-Dichloro-4-[2-(chloromethyl)butanoyl]-phenoxy]acetic acid

Etacrynic Acid EP Impurity C Etacrynic Acid USP RC C
CAS:25355-92-4
ECN03
[4-[2-[4-(Carboxymethoxy)-2,3-dichlorobenzoyl]-2,5-diethyl-3,4-dihydro-2H-pyran-6-yl]-2,3-dichlorophenoxy]acetic acid

Etacrynic Acid Ethacrynic Acid
CAS:58-54-8
ECN00
[2,3-Dichloro-4-(2-methylenebutanoyl)phenoxy]acetic acid

ETHAMBUTOL DIHYDROCHLORIDE
CAS:1070-11-7
ETB00H
(2S,2'S)-2,2'-(Ethylenediimino)dibutan-1-ol dihydrochloride

ETHAMBUTOL EP IMPURITY A (BASE)
CAS:96-20-8
ETB01B
2-Aminobutan-1-ol

ETHAMBUTOL EP IMPURITY A (HCL)
CAS:59173-62-5
ETB01H
2-Aminobutan-1-ol HCl

Ethambutol EP Impurity B (2HCl) Ethambutol USP RC A Meso-Ethambutol (R,S)-Ethambutol Dihydrochloride
CAS:32454-69-6
ETB02H
(2R,2'S)-2,2'-(Ethylenediimino)dibutan-1-ol dihydrochloride

Ethambutol EP Impurity B (Base) Ethambutol USP RC A Meso-Ethambutol (R,S)-Ethambutol
CAS:10054-06-5
ETB02B
(2R,2'S)-2,2'-(Ethylenediimino)dibutan-1-ol

Ethambutol EP Impurity C (2HCl) Ethambutol USP RC B (R,R)-Ethambutol Dihydrochloride
CAS:134566-79-3
ETB03H
(2R,2'R)-2,2'-(Ethylenediimino)dibutan-1-ol dihydrochloride

Ethambutol EP Impurity C (Base) Ethambutol USP RC B (R,R)-Ethambutol
CAS:10054-05-4
ETB03B
(2R,2'R)-2,2'-(Ethylenediimino)dibutan-1-ol

ETHINYLESTRADIOL
CAS:57-63-6
ETE00
19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol

ETHINYLESTRADIOL 1-HYDROXY 4-METHYL IMPURITY
CAS:1034298-00-4
ETE51
(8S,9S,13S,14S,17R)-17-Ethynyl-4,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-1,17-diol

ETHINYLESTRADIOL 13-ETHYL IMPURITY
CAS:14012-72-7
ETE63
13-Ethyl-17a-ethynylgona-1,3,5(10)-triene-3,17�-diol

ETHINYLESTRADIOL 2-HYDROXY IMPURITY
CAS:50394-89-3
ETE52
(8R,9S,13S,14S,17S)-17-Ethynyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-2,3,17-triol

ETHINYLESTRADIOL 2-OXY DIMER
CAS:303014-91-7
ETE62
2-[[17a-Hydroxy-19-norpregna-1,3,5(10)-trien-20-yn-3-yl]oxy]-19-norpregna-1,3,5(10)-trien-20-yne-3,17a-diol

ETHINYLESTRADIOL 3-SULFATE SODIUM SALT
CAS:724762-79-2
ETE53
(17a)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol 3-(hydrogen sulfate) sodium salt

ETHINYLESTRADIOL 4-HYDROXY IMPURITY
CAS:50394-90-6
ETE54
(8R,9S,13S,14S,17S)-17-Ethynyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,4,17-triol

ETHINYLESTRADIOL 4-OXY DIMER
CAS:303014-90-6
ETE64
4-[[17a-Hydroxy-19-norpregna-1,3,5(10)-trien-20-yn-3-yl]oxy]-19-norpregna-1,3,5(10)-trien-20-yne-3,17a-diol

ETHINYLESTRADIOL DELTA-8(9) IMPURITY
CAS:100019-04-3
ETE89
delta-8(9)-Ethynylestradiol

Ethinylestradiol EP Impurity A 17�-Ethinylestradiol 17-epi-Ethynyl Estradiol 17�-Ethynyl-3,17a-estradiol
CAS:4717-38-8
ETE01
19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol

ETHINYLESTRADIOL EP IMPURITY B ETHINYLESTRADIOL USP RC B 9,11-DEHYDRO ETHYNYL ESTRADIOL
CAS:1231-96-5
ETE02
19-Nor-17a-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol

Ethinylestradiol EP Impurity C Estradiol EP Impurity A Estriol EP Impurity B Estrone
CAS:53-16-7
ETE03
3-Hydroxyestra-1,3,5(10)-trien-17-one

Ethinylestradiol EP Impurity D Estradiol 17�-Estradiol 16-Deshydroxy Estriol
CAS:50-28-2
ETE04
Estra-1,3,5(10)-triene-3,17�-diol

ETHINYLESTRADIOL EP IMPURITY E 6A-HYDROXY-ETHINYLESTRADIOL
CAS:27521-34-2
ETE05
19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,6a,17-triol

Ethinylestradiol EP Impurity F 6�-Hydroxy-ethinylestradiol
CAS:56324-28-8
ETE06
19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,6�,17-triol

Ethinylestradiol EP Impurity G Ethinylestradiol USP RC A 6-Oxo-ethinylestradiol
CAS:38002-18-5
ETE07
3,17-Dihydroxy-19-nor-17a-pregna-1,3,5(10)-trien-20-yn-6-one

ETHINYLESTRADIOL EP IMPURITY H 16-OXO-ETHINYLESTRADIOL 16-KETO-ETHYNYLESTRADIOL
CAS:1350468-76-6
ETE08
3,17-Dihydroxy-19-nor-17a-pregna-1,3,5(10)-trien-20-yn-16-one

ETHINYLESTRADIOL EP IMPURITY I 6,7-DEHYDRO ETHYNYL ESTRADIOL
CAS:67703-68-8
ETE09
19-Nor-17a-pregna-1,3,5(10),6-tetraen-20-yne-3,17-diol

ETHINYLESTRADIOL EP IMPURITY J 1-METHYL ETHYNYL ESTRADIOL
CAS:15071-66-6
ETE10
(17a)-1-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol

ETHINYLESTRADIOL EP IMPURITY K 4-METHYL ETHYNYL ESTRADIOL
CAS:155683-61-7
ETE11
(17a)-4-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol

Ethinylestradiol EP Impurity L Estradiol EP Impurity B 17a-Estradiol Estriol EP Impurity J
CAS:57-91-0
ETE12
Estra-1,3,5(10)-triene-3,17a-diol

ETHINYLESTRADIOL EP IMPURITY M 2-METHYL ETHYNYL ESTRADIOL
CAS:3240-39-9
ETE13
(17a)-2-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol

ETHIONAMIDE
CAS:536-33-4
EHA00
2-ethylpyridine-4-carbothioamide

ETHIONAMIDE EP IMPURITY A
CAS:2196-13-6
EHA01
pyridine-4-carbothioamide

Ethionamide EP Impurity B Isoniazid EP Impurity C Isonicotinonitrile
CAS:100-48-1
EHA02
Pyridine-4-carbonitrile

Ethionamide EP Impurity C Prothionamide Isonicotinamide RC 30
CAS:14222-60-7
EHA03
2-propylpyridine-4-carbothioamide

ETHIONAMIDE EP IMPURITY D
CAS:1531-18-6
EHA04
2-Ethylpyridine-4-carbonitrile 2-Ethylisonicotinonitrile

ETHIONAMIDE EP IMPURITY E
CAS:1391052-80-4
EHA05
2,6-Diethylpyridine-4-carbothioamide

ETHIONAMIDE EP IMPURITY F
CAS:37581-44-5
EHA06
2,6-Diethylpyridine-4-carbonitrile 4-Cyano-2,6-diethylpyridine

ETHIONAMIDE SULFOXIDE
CAS:536-28-7
EHA50
2-Ethyl-4-pyridinecarbothioamide S-oxide

ETHOSUXIMIDE
CAS:77-67-8
ETS00
(RS)-3-Ethyl-3-methylpyrrolidine-2,5-dione

Ethosuximide EP Impurity A Ethosuximide USP RC A
CAS:631-31-2
ETS01
(2RS)-2-Ethyl-2-methylbutanedioic acid

Ethosuximide EP Impurity B
CAS:50598-33-9
ETS02
3-Ethyl-3-methyl-dihydrofuran-2,5-dione

Ethyl Tosylate Ethyl para-toluene sulfonate
CAS:80-40-0
GTX02
Ethyl 4-methylbenzene sulfonate

ETHYL VANILLIN
CAS:121-32-4
EVN00
3-Ethoxy-4-hydroxybenzaldehyde

ETHYL VANILLIN DESFORMYL IMPURITY
CAS:94-71-3
EVN01
2-Ethoxyphenol

ETIDRONIC ACID
CAS:2809-21-4
ERX00A
(1-Hydroxyethylidene)diphosphonic acid

Etidronic Acid Disodium Salt Etidronate Disodium
CAS:7414-83-7
ERX00N
Disodium dihydrogen (1-hydroxyethylidene)bisphosphonate

ETILEFRINE
CAS:709-55-7
EFR00B
(1RS)-2-(Ethylamino)-1-(3-hydroxyphenyl)ethanol

Etilefrine EP Impurity A Etilefrone
CAS:22510-12-9
EFR01
2-(Ethylamino)-1-(3-hydroxyphenyl)ethanone

ETILEFRINE EP IMPURITY B
CAS:1477-63-0
EFR02B
(1RS)-1-(3-Hydroxyphenyl)-2-(methylamino)ethanol

ETILEFRINE EP IMPURITY B (HCL)
CAS:154-86-9
EFR02H
(1RS)-1-(3-Hydroxyphenyl)-2-(methylamino)ethanol hydrochloride

Etilefrine EP Impurity C (Base) rac Norphenylephrine Norfenefrine Phenylephrine EP Impurity A Racemate
CAS:536-21-0
EFR03B
(1RS)-2-Amino-1-(3-hydroxyphenyl)ethanol

Etilefrine EP Impurity C (HCl) rac Norphenylephrine HCl Norfenefrine HCl
CAS:4779-94-6
EFR03H
(1RS)-2-Amino-1-(3-hydroxyphenyl)ethanol hydrochloride

Etilefrine EP Impurity D Benzyletilefrone
CAS:42146-10-1
EFR04
2-(Benzylethylamino)-1-(3-hydroxyphenyl)ethanone

Etilefrine EP Impurity E 3-Hydroxyacetophenone
CAS:121-71-1
EFR05
1-(3-Hydroxyphenyl)ethanone

Etilefrine EP Impurity F Benzylethylamine
CAS:14321-27-8
EFR06
N-Benzylethanamine

ETILEFRINE HCL
CAS:943-17-9
EFR00H
(1RS)-2-(Ethylamino)-1-(3-hydroxyphenyl)ethanol hydrochloride

ETODOLAC
CAS:41340-25-4
ETD00
2-[(1RS)-1,8-Diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic acid

ETODOLAC 1-METHYL ANALOG R-ISOMER
CAS:109518-50-5
ETD53
2-[(1R)-8-Ethyl-1-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic acid

ETODOLAC EP IMPURITY A 8-DESETHYL ETODOLAC
CAS:41339-67-7
ETD01
2-[(1RS)-1-Ethyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic acid

ETODOLAC EP IMPURITY B 8-METHYL ETODOLAC
CAS:41340-19-6
ETD02
2-[(1RS)-1-Ethyl-8-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic acid

Etodolac EP Impurity C Etodolac USP RC A Etodolac 1-Methyl Analog
CAS:109518-47-0
ETD03
2-[(1RS)-8-Ethyl-1-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic acid

ETODOLAC EP IMPURITY D 8-ISOPROPYL ETODOLAC
CAS:57917-63-2
ETD04
2-[(1RS)-1-Ethyl-8-(1-methylethyl)-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic acid

ETODOLAC EP IMPURITY E 8-PROPYL ETODOLAC
CAS:57817-27-3
ETD05
2-[(1RS)-1-Ethyl-8-propyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic acid

ETODOLAC EP IMPURITY F 1-ISOPROPYL ETODOLAC
CAS:849630-65-5
ETD06
2-[(1RS)-8-Ethyl-1-(1-methylethyl)-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic acid

ETODOLAC EP IMPURITY G 1-PROPYL ETODOLAC
CAS:57816-83-8
ETD07
2-[(1RS)-8-Ethyl-1-propyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic acid

ETODOLAC EP IMPURITY H 7-ETHYLTRYPTOPHOL
CAS:41340-36-7
ETD08
2-(7-ethyl-1H-indol-3-yl)ethanol

ETODOLAC EP IMPURITY I ETODOLAC DIMER
ETD09
(3RS)-3-[7-Ethyl-3-(2-hydroxyethyl)-1H-indol-2-yl]-3-(7-ethyl-1H-indol-3-yl)pentanoic acid

ETODOLAC EP IMPURITY J DECARBOXY ETODOLAC
CAS:115066-03-0
ETD10
(1RS)-1,8-Diethyl-1-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indole

ETODOLAC EP IMPURITY K ETODOLAC METHYL ESTER
CAS:122188-02-7
ETD11
Methyl 2-[(1RS)-1,8-diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetate

ETODOLAC EP IMPURITY L
ETD12
(EZ)-3-[7-Ethyl-3-(2-hydroxyethyl)-1H-indol-2-yl]pent-3-enoic acid

Etodroxizine (Base) Hydroxyzine Hydroxyethyl Ether (Base)
CAS:17692-34-1
EXZ00B
2-[2-[2-[4-[(4-Chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]ethoxy]ethanol

Etodroxizine Dihydrochloride Hydroxyzine Hydroxyethyl Ether (2HCl)
CAS:163837-40-9
EXZ00H
2-[2-[2-[4-[(4-Chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]ethoxy]ethanol Dihydrochloride

Etodroxizine Oxalate Salt Hydroxyzine Hydroxyethyl Ether (Oxalate)
EXZ00X
2-[2-[2-[4-[(4-Chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]ethoxy]ethanol oxalate

ETOFENAMATE
CAS:30544-47-9
EFN00
2-(2-Hydroxyethoxy)ethyl 2-[[3-(trifluoromethyl)phenyl]amino]benzoate

Etofenamate EP Impurity A Flufenamic Acid
CAS:530-78-9
EFN01
2-[[3-(Trifluoromethyl)phenyl]amino]benzoic acid

Etofenamate EP Impurity B Butyl Flufenamate
CAS:67330-25-0
EFN02
Butyl 2-[[3-(trifluoromethyl)phenyl]amino]benzoate

ETOFENAMATE EP IMPURITY C
CAS:101-23-5
EFN03
N-Phenyl-3-(trifluoromethyl)aniline

ETOFENAMATE EP IMPURITY D
CAS:64352-84-7
EFN04
2,2'-Oxybis(ethylene) Bis[2-[[3-(trifluoromethyl)phenyl]amino]benzoate]

ETOFENAMATE EP IMPURITY E
EFN05
2-(2-Butoxyethoxy)ethyl 2-[[3-(trifluoromethyl)phenyl]amino]benzoate

Etofenamate EP Impurity F Diethylene Glycol
CAS:111-46-6
EFN06
2-Hydroxyethoxyethanol

ETOFENAMATE EP IMPURITY G
CAS:32508-98-8
EFN07
2-Hydroxyethyl 2-[[3-(trifluoromethyl)phenyl]amino]benzoate

ETOFENAMATE MYRISTATE
CAS:81427-99-8
EFN51
2-(2-(Tetradecanoyloxy)ethoxy)ethyl 2-(3-(trifluoromethyl)phenylamino)benzoate

ETOFENAMATE PALMITATE
CAS:81427-95-4
EFN52
2-(2-(Palmitoyloxy)ethoxy)ethyl 2-(3-(trifluoromethyl)phenylamino)benzoate

ETOFENAMATE STEARATE
CAS:81427-97-6
EFN53
2-(2-(Stearoyloxy)ethoxy)ethyl 2-(3-(trifluoromethyl)phenylamino)benzoate

Etomidate (Base) Etomidate R-Isomer
CAS:33125-97-2
EDT00B
(R)-Ethyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate

Etomidate (HCl) Etomidate HCl R-Isomer
CAS:53188-20-8
EDT00H
(R)-Ethyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate HCl

Etomidate Acid R-Isomer Etomidate Acid
CAS:56649-48-0
EDT50
(R)-1-(1-Phenylethyl)-1H-imidazole-5-carboxylic acid

Etomidate Acid S-Isomer Etomidate S-Isomer O-Desethyl Impurity
CAS:56649-49-1
EDT62
(S)-1-(1-Phenylethyl)-1H-imidazole-5-carboxylic acid

ETOMIDATE DESPHENYLETHYL 1-CARBOXYLATE IMPURITY
CAS:19213-72-0
EDT63
ETHYL 1H-IMIDAZOLE-1-CARBOXYLATE

ETOMIDATE DESPHENYLETHYL IMPURITY
CAS:23785-21-9
EDT64
Ethyl 1H-Imidazole-5-carboxylate

Etomidate EP Impurity A Etomidate Acid Racemate
CAS:7036-56-8
EDT01
1-[(1RS)-1-Phenylethyl]-1H-imidazole-5-carboxylic acid

Etomidate EP Impurity B (Base) Metomidate
CAS:5377-20-8
EDT02B
methyl 1-[(1RS)-1-phenylethyl]-1H-imidazole-5-carboxylate

Etomidate EP Impurity B (HCl) Metomidate HCl
CAS:35944-74-2
EDT02H
Methyl 1-[(1RS)-1-Phenylethyl]-1H-imidazole-5-carboxylate HCl

ETOMIDATE EP IMPURITY C
CAS:792842-51-4
EDT03
1-Methylethyl 1-[(1RS)-1-phenylethyl]-1H-imidazole-5-carboxylate

ETOMIDATE IMPURITY 1
CAS:844658-92-0
EDT71
(R)-1-(1-Phenylethyl)-1H-imidazole

Etomidate Impurity 3 Etomidate Methyl Ester Metomidate (R)-Isomer
EDT73
(R)-Methyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate

ETOMIDATE IMPURITY 4
EDT74
(R)-Ethyl 2-mercapto-1-(1-phenylethyl)-1H-imidazole-5-carboxylate

ETOMIDATE IMPURITY 5 (BASE)
CAS:66512-37-6
EDT75B
(R)-Ethyl 2-(1-phenylethylamino)acetate

ETOMIDATE IMPURITY 5 (HCL)
EDT75H
(R)-Ethyl 2-(1-phenylethylamino)acetate hydrochloride

ETOMIDATE IMPURITY 6
CAS:66514-85-0
EDT76
(R)-Ethyl 2-(N-(1-phenylethyl)formamido)acetate

Etomidate Impurity 7 Etomidate N-Oxide
EDT77
(R)-Ethyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate N-Oxide

ETOMIDATE IMPURITY 8
EDT78
(R)-1-(1-Phenylethyl)-1H-imidazole N-Oxide

Etomidate R-Isomer Methyl Ester (R)-Metomidate
CAS:61045-91-8
EDT51
(R)-Methyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate

Etomidate S-Isomer (S)-Etomidate
CAS:56649-47-9
EDT60
(S)-Ethyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate

Etonogestrel 18-Desmethyl
CAS:54024-10-1
ETG51
(8S,9S,10R,13S,14S,17S)-17-Ethynyl-17-hydroxy-13-methyl-11-methylene-1,7,8,10,11,12,13,15,16,17-decahydro-2H-cyclopenta[a]phenanthren-3(6H,9H,14H)-one

Etonogestrel Desogestrel EP Impurity D Desogestrel USP RC C 3-Keto Desogestrel
CAS:54048-10-1
ETG00
(17a)-13-Ethyl-17-hydroxy-11-methylene-18,19-dinorpregn-4-en-20-yn-3-one 3-Ketodesogestrel 3-Oxodesogestrel

Etonogestrel RC 1
ETG61
(8S,9S,10R,13S,14S)-3-Ethoxy-13-ethyl-11-methylene-1,7,8,9,10,11,12,13,15,16-decahydro-2H-cyclopenta[a]phenanthren-17(14H)-one

Etonogestrel RC 2
ETG62
(8S,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-11,17-dihydroxy-11-methyl-1,7,8,10,11,12,13,15,16,17-decahydro-2H-cyclopenta[a]phenanthren-3(6H,9H,14H)-one

Etonogestrel RC 3
ETG63
(6R,8S,9R,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-6-hydroperoxy-17-hydroxy-10-methyl-11-methylene-1,7,8,10,11,12,13,15,16,17-decahydro-2H-cyclopenta[a]phenanthren-3(6H,9H,14H)-one

Etonogestrel RC 4
ETG64
(6R,8S,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-6-hydroperoxy-17-hydroxy-11-methylene-1,7,8,10,11,12,13,15,16,17-decahydro-2H-cyclopenta[a]phenanthren-3(6H,9H,14H)-one

Etonogestrel RC 5
CAS:6615-00-5
ETG65
(8S,9S,10R,11R,13S,14S)-11-Hydroxy-13-methyl-1,7,8,9,10,11,12,13,15,16-decahydro-2H-cyclopenta[a]phenanthrene-3,17(6H,14H)-dione

Etonogestrel �-D-Glucuronide
ETG52
(3S,4S,5S,6S)-6-((8S,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-11-methylene-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yloxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid

Etonogestrel Sulfate (Sodium Salt)
ETG50N
Sodium (8S,9S,10R,13S,14S,17S)-13-ethyl-17-ethynyl-11-methylene-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl sulfate

ETOPOSIDE
CAS:33419-42-0
ESX00
(5R,5aR,8aR,9S)-9-[[4,6-O-[(R)-Ethylidene]-�-D-glucopyranosyl]oxy]-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one

Etoposide EP Impurity A 4'-Carbobenzoyloxyethylidene Lignan P
CAS:124151-67-3
ESX01
(5R,5aR,8aR,9S)-5-[4-[[(Benzyloxy)carbonyl]oxy]-3,5-dimethoxyphenyl]-9-[[4,6-O-[(R)-ethylidene]-�-D-glucopyranosyl]oxy]-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one

Etoposide EP Impurity B Picroethylidene Lignan P cis-Etoposide
CAS:100007-56-5
ESX02
(5R,5aS,8aR,9S)-9-[[4,6-O-[(R)-Ethylidene]-�-D-glucopyranosyl]oxy]-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one

Etoposide EP Impurity C alpha-Etoposide
CAS:100007-53-2
ESX03
(5R,5aR,8aR,9S)-9-[[4,6-O-[(R)-ethylidene]-a-D-glucopyranosyl]oxy]-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one

Etoposide EP Impurity D Lignan P
CAS:23363-35-1
ESX04
(5R,5aR,8aR,9S)-9-(�-D-Glucopyranosyloxy)-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one

Etoposide EP Impurity E 4'-Desmethylepipodophyllotoxin
CAS:6559-91-7
ESX05
(5R,5aR,8aR,9S)-9-Hydroxy-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one

Etoposide EP Impurity F 4'-Phenoxyacetyletoposide
ESX06
(5R,5aR,8aR,9S)-9-[[4,6-O-[(R)-Ethylidene]-�-D-glucopyranosyl]oxy]-5-[4-[(phenoxyacetyl)oxy]-3,5-dimethoxyphenyl]-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one

Etoposide EP Impurity G 4'-Carbobenzoyloxydiformylethylidene Lignan P
ESX07
(5R,5aR,8aR,9S)-5-[4-[[(Benzyloxy)carbonyl]oxy]-3,5-dimethoxyphenyl]-9-[[4,6-O-[(R)-ethylidene]-2,3-di-O-formyl-�-D-glucopyranosyl]oxy]-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one

Etoposide EP Impurity H 4'-O-Desmethyl 1-O-Ethylepipodophyllotoxin
CAS:102306-95-6
ESX08
(5R,5aR,8aR,9S)-9-Ethoxy-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydroisobenzofuro-[5,6-f][1,3]benzodioxol-6(5aH)-one

Etoposide EP Impurity I 4-O-Methylethylidene Lignan P
CAS:111712-42-6
ESX09
(5R,5aR,8aR,9S)-9-[[4,6-O-[(R)-Ethylidene]-�-D-glucopyranosyl]oxy]-5-(3,4,5-trimethoxyphenyl)-5,8,8a,9tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one

Etoposide EP Impurity J 4'-O-Desmethyl 1-O-Methyl Epipodophyllotoxin
CAS:118356-05-1
ESX10
(5R,5aR,8aR,9S)-5-(4-Hydroxy-3,5-dimethoxyphenyl)-9-methoxy-5,8,8a,9-tetrahydroisobenzofuro-[5,6-f][1,3]benzodioxol-6(5aH)-one

Etoposide EP Impurity K Di-4'-O-Desmethyl Epipodophyllotoxin
ESX11
9,9'-Oxybis[(5R,5aR,8aR,9S)-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one]

Etoposide EP Impurity L Podophyllotoxin p-Desmethyl Impurity
CAS:40505-27-9
ESX12
(5R,5aR,8aR,9R)-9-Hydroxy-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one

Etoposide EP Impurity M Podophyllotoxin
CAS:518-28-5
ESX13
(5R,5aR,8aR,9R)-9-Hydroxy-5-(3,4,5-trimethoxyphenyl)-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one

ETOPOSIDE EP IMPURITY N
ESX14
(5R,5aR,8aR,9S)-9-[[4,6-O-[(R)-Ethylidene]-�-D-glucopyranosyl]oxy]-5-[4-[[(5R,5aR,8aR,9S)-5-(4-hydroxy-3,5-dimethoxyphenyl)-6-oxo-5,5a,6,8,8a,9-hexahydroisobenzofuro[5,6-f][1,3]benzodioxol-9-yl]oxy]3,5-dimethoxyphenyl]-5,8,8a,9-tetrahydroisobenzofuro-[5,6

ETOPOSIDE EP IMPURITY O
ESX15
(5R,5aR,8aR,9S)-9-[[2,3-Bis-O-(Dichloroacetyl)-4,6-O-[(S)-ethylidene]-�-L-glucopyranosyl]oxy]-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one

ETOPOSIDE EP IMPURITY P
CAS:117669-31-5
ESX16
9-Hydroxy-5-(4-hydroxy-3,5-dimethoxyphenyl)isobenzofuro[5,6-f][1,3]benzodioxol-6(8H)-one

ETOPOSIDE EP IMPURITY Q
CAS:153975-26-9
ESX17
5-(4-Hydroxy-3,5-dimethoxyphenyl)isobenzofuro[5,6-f][1,3]benzodioxol-6(8H)-one

ETOPOSIDE EP IMPURITY R
ESX18
(5R,5aR,8aR,9S)-9-[[4,6-O-[(R)-Ethylidene]-�-D-glucopyranosyl]oxy]-5-[4-[[(5R,5aR,8aR,9R)-5-(4-hydroxy-3,5-dimethoxyphenyl)-6-oxo-5,5a,6,8,8a,9-hexahydroisobenzofuro[5,6-f][1,3]benzodioxol-9-yl]oxy]-3,5-dimethoxyphenyl]-5,8,8a,9-tetrahydroisobenzofuro[5,6

ETORICOXIB
CAS:202409-33-4
ECX00
5-Chloro-6�-methyl-3-[4-(methylsulfonyl)phenyl]-2,3�-bipyridine

ETORICOXIB 6-CARBOXY IMPURITY
CAS:349536-39-6
ECX51
5-Chloro-3-[4-(methylsulfonyl)phenyl]-[2,3'-bipyridine]-6'-carboxylic acid

ETORICOXIB 6-HYDROXYMETHYL IMPURITY
CAS:349536-41-0
ECX52
5-Chloro-3-[4-(methylsulfonyl)phenyl]-[2,3'-bipyridine]-6'-methanol

ETORICOXIB 6-HYDROXYMETHYL N1-OXIDE
CAS:570394-08-0
ECX54
5-Chloro-6'-(hydroxymethyl)-3-(4-(methylsulfonyl)phenyl)-[2,3'-bipyridine] 1'-oxide

Etoricoxib 6-Hydroxymethyl �-Glucuronide
CAS:349536-40-9
ECX53
(2S,3S,4S,5R,6R)-6-((5-Chloro-3-(4-(methylsulfonyl)phenyl)-[2,3'-bipyridin]-6'-yl)methoxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid

ETORICOXIB DESMETHYL IMPURITY
CAS:202409-31-2
ECX50
5-Chloro-3-[4-(methylsulfonyl)phenyl]-2,3�-bipyridine

ETORICOXIB IMPURITY 1
CAS:73312-69-3
ECX61
(Z)-2-Chloro-3-(dimethylamino)acrylaldehyde

ETORICOXIB IMPURITY 2
CAS:40061-50-5
ECX62
2-(4-(Methylsulfonyl)phenyl)-1-(pyridin-3-yl)ethanone

ETORICOXIB IMPURITY 3
CAS:90584-68-2
ECX63
(E)-2-(Benzylthio)-3-(dimethylamino)acrylaldehyde

ETORICOXIB IMPURITY 4
CAS:221615-75-4
ECX64
1-(6-Methylpyridin-3-yl)-2-(4-(methylsulfonyl)phenyl)ethanone

ETORICOXIB IMPURITY 5
CAS:221615-72-1
ECX65
1-(6-Methylpyridin-3-yl)-2-(4-(Methylthio)phenyl)ethanone

ETORICOXIB IMPURITY 6
CAS:13429-29-3
ECX66
1,3-Di(piperidin-1-yl)propan-2-ol

ETORICOXIB N,N-DIOXIDE
ECX55
5-Chloro-6�-methyl-3-(4-(methylsulfonyl)phenyl)-[2,3�-bipyridine] 1-1�-dioxide

ETORICOXIB N1-OXIDE
CAS:325855-74-1
ECX56
5-Chloro-6'-methyl-3-[4-(methylsulfonyl)phenyl]-2,3'-bipyridine 1'-oxide 5-{5-Chloro-3-[4-(methylsulfonyl)phenyl]pyridine-2-yl}-2-methylpyridine-1-oxide

ETORICOXIB USP RC A
CAS:10297-73-1
ECX21
4-(Methylsulfonyl)acetophenone

ETORICOXIB USP RC B
CAS:90536-66-6
ECX22
4-(Methylsulfonyl)-phenyl acetic acid

ETORICOXIB USP RC C
CAS:249561-98-6
ECX23
2-Chloro-1,3-bis(dimethylamino)trimethinium hexafluorophosphate

ETRAVIRINE
CAS:269055-15-4
ETV00
4-[[6-Amino-5-bromo-2-[(4-cyanophenyl)amino]-4-pyrimidinyl]oxy]-3,5-dimethyl-benzonitrile

ETRAVIRINE 5-DESBROMO 6-CHLORO IMPURITY
CAS:1070377-34-2
ETV56
4-[[6-Chloro-2-[(4-cyanophenyl)amino]-4-pyrimidinyl]oxy]-3,5-dimethyl-benzonitrile

ETRAVIRINE 6-DESAMINO 5-CHLORO IMPURITY
CAS:269055-05-2
ETV65
4-[[5-Bromo-5-chloro-2-[(4-cyanophenyl)amino]-4-pyrimidinyl]oxy]-3,5-dimethyl-benzonitrile

ETRAVIRINE 6-DESAMINO 6-CHLORO IMPURITY
CAS:269055-76-7
ETV66
4-[[5-Bromo-6-chloro-2-[(4-cyanophenyl)amino]-4-pyrimidinyl]oxy]-3,5-dimethyl-benzonitrile

ETRAVIRINE DIHYDROXY IMPURITY
CAS:1246818-67-6
ETV52
4-[[6-Amino-5-bromo-2-[(4-cyanophenyl)amino]-4-pyrimidinyl]oxy]-3,5-bis(hydroxymethyl)benzonitrile

ETRAVIRINE MONOHYDROXY IMPURITY
CAS:1246815-68-8
ETV51
4-[[6-Amino-5-bromo-2-[(4-cyanophenyl)amino]-4-pyrimidinyl]oxy]-3-hydroxymethylbenzonitrile

EVEROLIMUS
CAS:159351-69-6
EVR00
(1R,9S,12S,15R,16E,18R,19R,21R,23S,24E,26E,28E,30S,32S,35R)-1,18-Dihydroxy-12-[(2R)-1-[(1S,3R,4R)-4-(2-hydroxyethoxy)-3-methoxycyclohexyl]propan-2-yl]-19,30-dimethoxy-15,17,21,23,29,35-hexamethyl-11,36-dioxa-4-azatricyclo[30.3.1.04,?]hexatriaconta-16,24,2

Everolimus 18-Oxo Impurity 31-Oxo Everolimus
EVR18
(1R,9S,12S,15R,16E,19R,21R,23S,24E,26E,28E,30S,32S,35R)-1-Hydroxy-12-[(2R)-1-[(1S,3R,4R)-4-(2-hydroxyethoxy)-3-methoxycyclohexyl]propan-2-yl]-19,30-dimethoxy-15,17,21,23,29,35-hexamethyl-11,36-dioxa-4-azatricyclo[30.3.1.04,?]hexatriaconta-16,24,26,28-tetr

EVEROLIMUS 30-O-DESMETHYL IMPURITY
CAS:745779-75-3
EVR60
(1R,9S,12S,15R,16E,18R,19R,21R,23S,24E,26E,28E,30S,32S,35R)-1,18,30-trihydroxy-12-[(2R)-1-[(1S,3R,4R)-4-(2-hydroxyethoxy)-3-methoxycyclohexyl]propan-2-yl]-19-methoxy-15,17,21,23,29,35-hexamethyl-11,36-dioxa-4-azatricyclo[30.3.1.04,?]hexatriaconta-16,24,26

Everolimus EP Impurity A Sirolimus Rapamycin
CAS:53123-88-9
EVR01
(1R,9S,12S,15R,16E,18R,19R,21R,23S,24E,26E,28E,30S,32S,35R)-1,18-Dihydroxy-12-[(2S)-1-[(1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl]propan-2-yl]-19,30-dimethoxy-15,17,21,23,29,35-hexamethyl-11,36-dioxa-4-azatricyclo[30.3.1.04,?]hexatriaconta-16,24,26,28-tetra

Everolimus EP Impurity B (Acid) Everolimus 19-Ene Open-Ring Impurity (EP) seco Everolimus
CAS:1062122-63-7
EVR02A
(2S)-1-[[(2R,3R,6S)-2-Hydroxy-6-[(2S,3E,5E,7E,9S,11R,13R,14R,15E,17R,19Z,21R)-14- hydroxy-22-[(1S,3R,4R)-4-(2-hydroxyethoxy)-3-methoxycyclohexyl]-2,13-dimethoxy-3,9,11, 15,17,21-hexamethyl-12,18-dioxodocosa-3,5,7,15,19-pentaen-1-yl]-3-methyltetrahydro-2H-

Everolimus EP Impurity B (Sodium) Everolimus 19-Ene Open-Ring Impurity (Sodium) seco Everolimus Sodium
CAS:220127-31-1
EVR02N
(2S)-1-[[(2R,3R,6S)-2-Hydroxy-6-[(2S,3E,5E,7E,9S,11R,13R,14R,15E,17R,19Z,21R)-14- hydroxy-22-[(1S,3R,4R)-4-(2-hydroxyethoxy)-3-methoxycyclohexyl]-2,13-dimethoxy-3,9,11, 15,17,21-hexamethyl-12,18-dioxodocosa-3,5,7,15,19-pentaen-1-yl]-3-methyltetrahydro-2H-

Everolimus EP Impurity C 10-Desmethyl Everolimus (EP) 19-Desmethyl Everolimus
EVR03
(1R,9S,12S,15R,16E,18R,19R,21R,23S,24E,26E,28E,30S,32S,35R)-1,18,19-Trihydroxy-12- [(2R)-1-[(1S,3R,4R)-4-(2-hydroxyethoxy)-3-methoxycyclohexyl]propan-2-yl]-30-methoxy-15,17,21,23,29,35-hexamethyl-11,36-dioxa-4-azatricyclo [30.3.1.04,9]hexatriaconta-16,24,

Everolimus EP Impurity D 9-O-Hydroxyethyl Sirolimus (EP) 18-O-Hydroxyethyl Sirolimus
EVR04
(1R,9S,12S,15R,16E,18R,19R,21R,23S,24E,26E,28E,30S,32S,35R)-1-Hydroxy-18-(2- hydroxyethoxy)-12-[(2R)-1-[(1S,3R,4R)-4-hydroxy-3-methoxycyclohexyl]propan-2-yl]-19,30-dimethoxy-15,17,21,23,29,35-hexamethyl-11,36-dioxa-4-azatricyclo [30.3.1.04,9]hexatriaconta

Everolimus EP Impurity E 42-O-Formyl Sirolimus
CAS:1237826-25-3
EVR05
(1R,2R,4S)-4-[(2R)-2-[(1R,9S,12S,15R,16E,18R,19R,21R,23S,24E,26E,28E,30S,32S,35R)- 1,18-Dihydroxy-19,30-dimethoxy-15,17,21,23,29,35-hexamethyl-2,3,10,14,20-pentaoxo- 11,36-dioxa-4-azatricyclo[30.3.1.04,9]hexatriaconta-16,24,26,28-tetraen-12-yl]propyl]-2-

Everolimus EP Impurity F Everolimus Cyclic Hemiacetal
EVR06
(1R,9S,12S,15R,16E,18R,19S,20R,21R,23S,24S,25E,28E,30S,32S,35R)-27-Ethoxy-1,18,20- trihydroxy-12-[(2R)-1-[(1S,3R,4R)-4-(2-hydroxyethoxy)-3-methoxycyclohexyl]propan-2-yl]-19,30-dimethoxy-15,17,21,23,29,35-hexamethyl-11,36,37-trioxa-4-azatetracyclo[30.3.1.1

EVEROLIMUS ISOMER C
CAS:908340-97-6
EVR63
9,14-Deepoxy-15-deoxo-14-deoxy-9,15-epoxy-15-hydroxy-42-O-(2-hydroxyethyl)-14-oxorapamycin

Everolimus Open-Ring Acid Impurity seco Everolimus B
CAS:769905-89-7
EVR61
(2S)-1-[2-[(2R,3R,6S)-6-[(2S,3E,5E,7E,9S,11R,13R,14R,15E,17R,20S,21R)-14,20-Dihydroxy-22-[(1S,3R,4R)-4-(2-hydroxyethoxy)-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-2

Everolimus Open-Ring Aldehyde Impurity Everolimus Retroaldol Degradation Product
CAS:1708118-13-1
EVR62
(S)-((2R,3S,6R,E)-8-formyl-1-((1S,3R,4R)-4-(2-Hydroxyethoxy)-3-methoxycyclohexyl)-2,6-dimethyl-5-oxonon-7-en-3-yl) 1-(2-((2R,3R,6S)-6-((2S,3E,5E,7E,9S,11R)-2,13-dimethoxy-3,9,11-trimethyl-12-oxotrideca-3,5,7-trienyl)-2-hydroxy-3-methyl-tetrahydro-2H-pyran

EVEROLIMUS T-BUTYLDIMETHYLSILYL ETHER
CAS:159351-68-5
EVR64
42-O-t-Butyldimethylsilyloxyethyl Rapamycin

EVOGLIPTIN (RS)-ISOMER TARTRATE
EVG51T
(R)-4-((S)-3-Amino-4-(2,4,5-trifluorophenyl)butanoyl)-3-(tert-butoxymethyl)piperazin-2-one tartrate

EVOGLIPTIN (SR)-ISOMER TARTRATE
EVG52T
(S)-4-((R)-3-amino-4-(2,4,5-trifluorophenyl)butanoyl)-3-(tert-butoxymethyl)piperazin-2-one tartrate

Evogliptin (SS)-Isomer Tartrate Evogliptin Tartrate Enantiomer
EVG53T
(S)-4-((S)-3-Amino-4-(2,4,5-trifluorophenyl)butanoyl)-3-(tert-butoxymethyl)piperazin-2-one tartrate

EVOGLIPTIN 2,5-DIFLUOROPHENYL TARTRATE
EVG54T
(R)-4-((R)-3-Amino-4-(2,5-difluorophenyl)butanoyl)-3-(tert-butoxymethyl)piperazin-2-one L-tartrate

EVOGLIPTIN 3,4-DIFLUOROPHENYL TARTRATE
EVG55T
(R)-4-{(R)-3-amino-4-(3,4-difluorophenyl)butanoyl}-3-(tbutoxymethyl)piperazin-2-one L-tartrate

EVOGLIPTIN 3-ETHYLAMINO TARTRATE
EVG56T
(R)-4-{(R)-3-(Ethylamino)-4-(2,4,5-trifluorophenyl)butanoyl}-3-(tbutoxymethyl)piperazin-2-one L-tartrate

Evogliptin Tartrate (RR)-Evogliptin Tartrate
CAS:1222102-51-3
EVG00T
(R)-4-((R)-3-Amino-4-(2,4,5-trifluorophenyl)butanoyl)-3-(tert-butoxymethyl)piperazin-2-one tartrate

EXEMESTANE
CAS:107868-30-4
EXM00
6-Methyleneandrosta-1,4-diene-3,17-dione

Exemestane 17�- Hydroxy 17-O-�-D-Glucuronide
EXM51
(3S,4S,5S,6R)-6-((8R,9S,10R,13S,14S,17S)-10,13-Dimethyl-6-methylene-3-oxo-6,7,8,9,10,11,12, 13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yloxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid

Exemestane 17�- Hydroxy Sulfamate
EXM52
(8R,9S,10R,13S,14S,17S)-10,13-Dimethyl-6-methylene-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl sulfamate

EXEMESTANE 6-HYDROXYMETHYL IMPURITY
CAS:152764-26-6
EXM46
6-(Hydroxymethyl)androsta-1,4,6-triene-3,17-dione

EXEMESTANE DIOL IMPURITY
CAS:184972-11-0
EXM44
6-Hydroxy-6-(hydroxymethyl)-androsta-1,4-diene-3,17-dione

Exemestane EP Impurity B Exemestane USP RC B
CAS:184972-09-6
EXM02
6-Hydroxymethylandrostra-1,4-diene-3,17-dione

EXEMESTANE EP IMPURITY C
CAS:2130745-60-5
EXM03
6,16-Dimethylideneandrosta-1,4-diene-3,17-dione

Exemestane EP Impurity E Exemestane USP RC A 1,2-Dihydro Exemestane
CAS:19457-55-7
EXM05
6-Methyleneandrost-4-ene-3,17-dione 6-Methyleneandrost-4-en-3,17-dione

Exemestane EP Impurity F 6-Oxo Boldione
CAS:72648-46-5
EXM06
Androsta-1,4-diene-3,6,17-trione

Exemestane EP Impurity H Exemestane 17-beta-Hydroxy Impurity 17�-Hydroxy Exemestane
CAS:122370-91-6
EXM08
17�-Hydroxy-6-methyleneandrosta-1,4-dien-3-one

EXEMESTANE USP RC D
EXM24
16-Methyleneandrosta-1,4-diene-3,17-dione (8R,9S,10R,13S,14S)-10,13-Dimethyl-16-methylene-7,8,9,11,12,13,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17(10H,14H)-dione

EZETIMIBE (3'S, 3R, 4S)-EZETIMIBE (SRS)-EZETIMIBE
CAS:163222-33-1
EZT00
(3R,4S)-1-(4-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one

EZETIMIBE (RRR)-ISOMER EZETIMIBE (3'R, 3R, 4R)-ISOMER
CAS:1593542-96-1
EZT41
(3R,4R)-1-(4-Fluorophenyl)-3-[(3R)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one

EZETIMIBE (RRS)-ISOMER EZETIMIBE (3'R, 3R, 4S)-ISOMER EZETIMIBE (3'R)-ISOMER
CAS:163380-16-3
EZT42
(3R,4S)-1-(4-Fluorophenyl)-3-[(3R)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one

EZETIMIBE (RSR)-ISOMER EZETIMIBE (3'R, 3S, 4R)-ISOMER EZETIMIBE ENANTIOMER
CAS:1376614-99-1
EZT43
(3S,4R)-1-(4-Fluorophenyl)-3-[(3R)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one

EZETIMIBE (RSS)-ISOMER EZETIMIBE (3'R, 3S, 4S)-ISOMER
CAS:1478664-18-4
EZT44
(3S,4S)-1-(4-Fluorophenyl)-3-[(3R)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one

EZETIMIBE (SRR)-ISOMER EZETIMIBE (3'S, 3R, 4R)-ISOMER
CAS:1478664-02-6
EZT45
(3R,4R)-1-(4-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one

EZETIMIBE (SSR)-ISOMER EZETIMIBE (3'S, 3S, 4R)-ISOMER
CAS:1593543-00-0
EZT46
(3S,4R)-1-(4-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one

EZETIMIBE (SSS)-ISOMER EZETIMIBE (3'S, 3S, 4S)-ISOMER
CAS:1593543-07-7
EZT47
(3S,4S)-1-(4-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one

EZETIMIBE 3-DEHYDROXY IMPURITY
CAS:204589-58-2
EZT73
(3R,4S)-1-(4-Fluorophenyl)-3-[3-(4-fluorophenyl)-propyl]-4-(4-hydroxy phenyl) azetidin-2-one

EZETIMIBE 3-O-ACETYL IMPURITY
CAS:1044664-24-5
EZT36
(3R,4S)-3-[(3S)-3-(Acetyloxy)-3-(4-fluorophenyl)propyl]-4-(4-hydroxy phenyl)-1-(4-fluorophenyl)-2-azetidinone

EZETIMIBE ANHYDRO (E)-ISOMER EZETIMIBE (E)-ALKENE
CAS:204589-68-4
EZT65
(3R,4S)-1-(4-Fluorophenyl)-3-((E)-3-(4-fluorophenyl)allyl)-4-(4-hydroxy phenyl) azetidin-2-one

Ezetimibe Anhydro (Z)-Isomer Ezetimibe (Z)-Alkene
EZT66
(3R,4S)-1-(4-Fluorophenyl)-3-((Z)-3-(4-fluorophenyl)allyl)-4-(4-hydroxy phenyl)azetidin-2-one

EZETIMIBE BENZYL DIOL IMPURITY
CAS:1374250-06-2
EZT53
(1S,4R)-4-((S)-(4-(Benzyloxy)phenyl)(4-fluorophenylamino)methyl)-1-(4-fluorophenyl)pentane-1,5-diol

Ezetimibe Benzyl Ether Ezetimibe Benzylated Ether
CAS:163222-32-0
EZT33
(3R,4S)-1-(4-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-[4-(phenylmethoxy)phenyl]-2-azetidinone

EZETIMIBE DESFLUOROANILINE ANALOG (USP) EZETIMIBE DESFLUORO ANALOG
CAS:302781-98-2
EZT34
(3R,4S)-1-Phenyl-3-[(3S)-3-(4-fluorophenyl) -3-hydroxypropyl]-4-(4-hydroxy phenyl)-2-azetidinone

EZETIMIBE DESFLUOROBENZENE ANALOG
CAS:190595-66-5
EZT64
(3R,4S)-1-(4-Fluorophenyl)-3-((S)-3-hydroxy-3-phenylpropyl)-4-(4-hydroxy phenyl)azetidin-2-one

EZETIMIBE DIACETATE
CAS:163380-20-9
EZT35
(3R,4S)-3-[(3S)-3-(Acetyloxy)-3-(4-fluorophenyl)propyl]-4-[4-(acetyloxy) phenyl]-1-(4-fluorophenyl)-2-azetidinone

EZETIMIBE DIOL IMPURITY
EZT54
4-((2R,3S,6S)-6-(4-Fluorophenyl)-3-(hydroxymethyl)-tetrahydro-2H-pyran-2-yl)phenol

EZETIMIBE KETONE (USP) EZETIMIBE 3-OXO IMPURITY
CAS:191330-56-0
EZT32
(3R,4S)-1-(4-Fluorophenyl)-3-[3-(4-fluorophenyl)-3-oxopropyl]-4-(4-hydroxy phenyl)-2-azetidinone

EZETIMIBE LACTONE IMPURITY
EZT77
(3R,6S)-6-(4-Fluorophenyl)-3-((S)-(4-fluorophenylamino)(4-hydroxyphenyl) methyl)-tetrahydropyran-2-one

EZETIMIBE META-FLUOROANILINE ANALOG (USP)
CAS:1700622-06-5
EZT63
(3R,4S)-1-(3-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one

EZETIMIBE META-FLUOROBENZENE ISOMER
EZT68
(3R,4S)-1-(4-Fluorophenyl)-3-[(3S)-3-(3-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one

EZETIMIBE OPEN-RING ACID EZETIMIBE AZETIDINONE RING-OPENED IMPURITY
CAS:1391053-63-6 (rel.)
EZT50
(2R,5S)-5-(4-Fluorophenyl)-2-((S)-(4-fluorophenylamino)(4-hydroxyphenyl) methyl)-5-hydroxypentanoic acid

Ezetimibe Open-Ring Alcohol Ezetimibe Triol Impurity
CAS:1374250-08-4
EZT60
(2R,5S)-5-(4-Fluorophenyl)-2-((S)-(4-fluorophenylamino)(4-hydroxyphenyl) methyl)-5-hydroxypentanol

EZETIMIBE OPEN-RING AMIDE
CAS:1197811-72-5
EZT52
(2R,5S)-2-(4-Hydroxybenzyl)-N,5-bis(4-fluorophenyl)-5-hydroxypentanamide

EZETIMIBE OPEN-RING ANHYDRO ACID (Z)-ISOMER
EZT76
(R,Z)-5-(4-Fluorophenyl)-2-((S)-((4-fluorophenyl)amino)(4-hydroxyphenyl) methyl) pent-4-enoic acid

EZETIMIBE OPEN-RING ANHYDRO ACID EZETIMIBE ANHYDRO AZETIDINONE RING-OPENED IMPURITY
CAS:1292292-63-7
EZT51
(R,E)-5-(4-Fluorophenyl)-2-((S)-(4-fluorophenylamino)(4-hydroxyphenyl) methyl)pent-4-enoic acid

EZETIMIBE OPEN-RING ANHYDRO ALCOHOL
CAS:1374250-07-3
EZT61
(R,E)-5-(4-Fluorophenyl)-2-((S)-(4-fluorophenylamino)(4-hydroxyphenyl) methyl)pent-4-enol

EZETIMIBE ORTHO-FLUOROANILINE ANALOG
EZT62
(3R,4S)-1-(2-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one

EZETIMIBE ORTHO-FLUOROBENZENE ISOMER (USP)
CAS:1798008-25-9
EZT72
(3R,4S)-1-(4-Fluorophenyl)-3-[(3S)-3-(2-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one

Ezetimibe Phenoxy �-D-Glucuronide
CAS:190448-57-8
EZT70
4-[(2S,3R)-1-(4-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-oxo-2-azetidinyl]phenyl �-D-Glucopyranosiduronic Acid

EZETIMIBE PYRIMIDIONE TRIOL IMPURITY
EZT83
(5R,6S)-1-(4-Fluorophenyl)-5-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-3-((S)-2-hydroxy-1-phenylethyl)-6-(4-hydroxyphenyl)dihydropyrimidine-2,4(1H,3H)-dione

EZETIMIBE TETRAHYDROPYRAN IMPURITY
CAS:1296129-15-1
EZT67
(2R,3R,6S)-N,6-Bis(4-fluorophenyl)tetrahydro-2-(4-hydroxyphenyl)-2H-pyran-3-carboxamide

FAMCICLOVIR
CAS:104227-87-4
FCC00
2-[2-(2-Amino-9H-purin-9-yl)ethyl]-1,3-propanediol diacetate

FAMCICLOVIR 6-ALKYLAMINO IMPURITY (USP)
FCC41
2-(2-{6-[4-Acetoxy-3-(acetoxymethyl)butylamino]-2-amino-9H-purin-9-yl}ethyl)propane-1,3-diyl diacetate

FAMCICLOVIR 6-CHLORO DIDESACETYL IMPURITY
CAS:172529-94-1
FCC66
2-[2-(2-Amino-6-chloro-9H-purin-9-yl)ethyl]-1,3-propanediol

FAMCICLOVIR 6-CHLORO IMPURITY (USP)
CAS:97845-60-8
FCC42
2-[2-(2-Amino-6-chloro-9H-purin-9-yl)ethyl]propane-1,3-diyl diacetate

FAMCICLOVIR DEOXYCHLORO IMPURITY (USP)
FCC43
4-(2-Amino-9H-purin-9-yl)-2-(chloromethyl)butyl acetate

FAMCICLOVIR DMAP IMPURITY (USP) VALACICLOVIR EP IMPURITY G VALACICLOVIR USP RC G
CAS:1122-58-3
FCC44
N,N-Dimethylpyridin-4-amine 4-(Dimethylamino)pyridine ("DMAP")

FAMCICLOVIR N-ACETYL IMPURITY (USP)
FCC46
2-[2-(2-Acetamido-9H-purin-9-yl)ethyl]propane-1,3-diyl diacetate