| | Oxytetracycline (Anhydrous) Doxycycline EP Impurity E CAS:79-57-2 OTC00B (4S,4aR,5S,5aR,6S,12aS) -4-(dimethylamino)-3,5,6,10,11,12a-hexahydroxy -6-methyl-1,12-dioxo-1,4,4a,5,5a,6,12,12a-octahydrotetracene -2-carboxamide Oxytetracycline (Dihydrate) Doxycycline EP Impurity E CAS:6153-64-6 OTC00D (4S,4aR,5S,5aR,6S,12aS) -4-(dimethylamino)-3,5,6,10,11,12a-hexahydroxy -6-methyl-1,12-dioxo-1,4,4a,5,5a,6,12,12a-octahydrotetracene -2-carboxamide dihydrate Oxytetracycline (HCl) Doxycycline EP Impurity E (HCl) CAS:2058-46-0 OTC00H (4S,4aR,5S,5aR,6S,12aS) -4-(dimethylamino)-3,5,6,10,11,12a-hexahydroxy -6-methyl-1,12-dioxo-1,4,4a,5,5a,6,12,12a-octahydrotetracene -2-carboxamide HCl OXYTETRACYCLINE EP IMPURITY A 4-EPI-OXYTETRACYCLINE CAS:14206-58-7 OTC01 (4R,4aR,5S,5aR,6S,12aS)-4-(Dimethylamino)-3,5,6,10,12,12a-hexahydroxy-6-methyl- 1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide Oxytetracycline EP Impurity B (Base) Tetracycline Lymecycline EP Impurity H (Base) CAS:60-54-8 OTC02B (4S,4aS,5aS,6S,12aS)-4-(Dimethylamino)-3,6,10,12,12a-pentahydroxy-6-methyl-1,11- dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide Oxytetracycline EP Impurity B (HCl) Tetracycline HCl Lymecycline EP Impurity H (HCl) CAS:64-75-5 OTC02H (4S,4aS,5aS,6S,12aS)-4-(Dimethylamino)-3,6,10,12,12a-pentahydroxy-6-methyl-1,11- dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide HCl Oxytetracycline EP Impurity C 2-Acetyl 2-Decarbamoyl Oxytetracycline Oxytetracycline 2-Acetyl Analog CAS:6542-44-5 OTC03 (4S,4aR,5S,5aR,6S,12aS)-2-acetyl-4-(Dimethylamino)-3,5,6,10,12,12a-hexahydroxy-6-methyl-4a,5a,6,12a-tetrahydrotetracene-1,11(4H,5H)-dione Oxytetracycline EP Impurity F (HCl) Anhydro Oxytetracycline HCl Dehydrotetracycline HCl CAS:51596-09-9 OTC06H (4S,4aR,5R,12aS)-4-(Dimethylamino)-3,5,10,11,12a-pentahydroxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide HCl Oxytetracycline EP Impurity F Anhydro Oxytetracycline Dehydrotetracycline CAS:4660-26-8 OTC06B (4S,4aR,5R,12aS)-4-(Dimethylamino)-3,5,10,11,12a-pentahydroxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide Oxytocin free acid CAS:24346-32-5 OTN51A 2-[[(2S)-2-[[(2S)-1-[(4R,7S,10S,13S,16S,19R)-19-Amino-7-(2-amino-2-oxoethyl)-10-(3-amino-3-oxopropyl)-13-[(2S)-butan-2-yl]-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]pyrrolidine-2-carbonyl]ami Oxytocin N-Acetyl Analog CAS:10551-48-1 OTN50 1-({(4R,7S,10S,13S,16S,19R)-19-(Acetylamino)-7-(2-amino-2-oxoethyl)-10-(3-amino-3-oxopropyl)-16-(4-hydroxybenzoyl)-13-[(1S)-1-methylpropyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosan-4-yl}carbonyl)-L-prolyl-L-leucylglycinamide PACLITAXEL 2-PENTANOATE ANALOG CAS:213767-22-7 PCX52 (aR,ßS)-ß-(Benzoylamino)-a-hydroxy-benzenepropanoic Acid (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-Bis(acetyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-12-[(1-oxopentyl)oxy]-7,11-methano-1H-cyclodeca[3,4 Pemetrexed EP Impurity B Pemetrexed (5R)-Dimer Supplied as a mixture of (5R) & (5S)-isomer CAS:1802552-04-0 PMT02 (2S)-2,2’-[[(5R)-2,2’-Diamino-4,4’,6-trioxo-1,4,4’,6,7,7’-hexahydro-1’H,5H-5,6’-bipyrrolo[2,3-d]pyrimidine-5,5’-diyl]bis(ethane-2,1-diylbenzene-4,1-diylcarbonylimino)]-dipentanedioic acid Pemetrexed EP Impurity C Pemetrexed (5S)-Dimer Supplied as a mixture of (5R) & (5S)-isomer CAS:1802552-16-4 PMT03 (2S)-2,2’-[[(5S)-2,2’-Diamino-4,4’,6-trioxo-1,4,4’,6,7,7’-hexahydro-1’H,5H-5,6’-bipyrrolo[2,3-d]pyrimidine-5,5’-diyl]bis(ethane-2,1-diylbenzene-4,1-diylcarbonylimino)]-dipentanedioic acid PIMECROLIMUS CAS:137071-32-0 PMC00 (3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,26aS)-3-{(E)-2-[(1R,3R,4S)-4-Chloro-3-methoxycyclohexyl]-1-methylvinyl}-8-ethyl-5,6,8,11,12,13,14,15, 16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-14,16-dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3H-pyrid Pimecrolimus 4-Hydroxy Analog Ascomycin Immunomycin FK-520 FR-900520 Tacrolimus EP Impurity A CAS:104987-12-4 PMC51 (1R,9S,12S,13R,14S,17R,18E,21S,23S,24R,25S,27R)-17-Ethyl-1,14-dihydroxy-12-[(E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-23,25-dimethoxy-13,19,21,27-tetramethyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone Podophyllotoxin 4-Deoxy 10-Bromo CAS:93108-16-8 PPT57 (5R,5aR,8aR)-10-Bromo-5-(3,4,5-trimethoxyphenyl)-5,5a,8a,9-tetrahydrofuro[3',4'6,7]naphtho[2,3-d][1,3]dioxol-6(8H)-one Podophyllotoxin 4-Deoxy 5-Bromo 6,7-Dihydroxy CAS:93108-15-7 PPT55 (3aR,9R,9aR)-5-Bromo-6,7-dihydroxy-9-(3,4,5-trimethoxyphenyl)-3a,4,9,9a-tetrahydronaphtho[2,3-c]furan-1(3H)-one Podophyllotoxin 4-Deoxy 6,7-Dihydroxy CAS:1173-42-8 PPT56 (3aR,9R,9aR)-6,7-Dihydroxy-9-(3,4,5-trimethoxyphenyl)-3a,4,9,9a-tetrahydronaphtho[2,3-c]furan-1(3H)-one Podophyllotoxin 4’-Demethyl CAS:112066-16-7 PPT58 (5R,5aS,8aR,9R)-5,8,8a,9-Tetrahydro-9-hydroxy-5-(4-hydroxy-3,5-dimethoxyphenyl)furo[3',4'6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one PODOPHYLLOTOXIN 9-DESOXY IMPURITY CAS:19186-35-7 PPT51 (5R,5aR,8aR)-5-(3,4,5-trimethoxyphenyl)-5,8,8a,9-tetrahydrofuro[3',4'6,7]naphtho[2,3-d][1,3]dioxol-6(5aH)-one PODOPHYLLOTOXIN 9-EPIMER CAS:7/9/4375 PPT52 (5R,5aR,8aR,9S)-5,8,8a,9-Tetrahydro-9-hydroxy-5-(3,4,5-trimethoxyphenyl)furo [3’,4’6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one PODOPHYLLOTOXIN 9-O-GLUCOSIDE CAS:16481-54-2 PPT53 (5R,5aR,8aR,9R)-9-(ß-D-Glucopyranosyloxy)-5,8,8a,9-tetrahydro-5-(3,4,5-trimethoxy phenyl)furo[3’,4’6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one Podophyllotoxin EP Impurity A Podophyllotoxin 5a-Epimer Picropodophyllotoxin CAS:477-47-4 PPT01 (5R,5aS,8aR,9R)-5,8,8a,9-Tetrahydro-9-hydroxy-5-(3,4,5-trimethoxyphenyl)furo [3’,4’6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one Podophyllotoxin EP Impurity B Podophyllotoxin p-Desmethyl 9-Epimer CAS:6559-91-7 PPT02 (5R,5aR,8aR,9S)-5,8,8a,9-Tetrahydro-9-hydroxy-5-(4-hydroxy-3,5-dimethoxyphenyl)-furo[3’,4’6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one Podophyllotoxin EP Impurity C Podophyllotoxone CAS:477-49-6 PPT03 (5aR,8aR,9R)-9-(3,4,5-Trimethoxyphenyl)-5a,6,8a,9-tetrahydrofuro[3',4'6,7]naphtho[2,3-d][1,3]dioxol-5,8-dione Podophyllotoxin Etoposide EP Impurity M CAS:518-28-5 PPT00 (5R,5aR,8aR,9R)-5,8,8a,9-Tetrahydro-9-hydroxy-5-(3,4,5-trimethoxyphenyl)furo [3’,4’6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one PODOPHYLLOTOXIN P-DESMETHYL 9-DESOXY IMPURITY CAS:3590-93-0 PPT54 (5R,5aR,8aR)-5,8,8a,9-Tetrahydro-5-(4-hydroxy-3,5-dimethoxyphenyl)-furo [3’,4’6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one Podophyllotoxin p-Desmethyl Impurity Etoposide EP Impurity L CAS:40505-27-9 PPT56 (5R,5aR,8aR,9R)-5,8,8a,9-Tetrahydro-9-hydroxy-5-(4-hydroxy-3,5-dimethoxyphenyl)-furo[3’,4’6,7]naphtho[2,3-d]-1,3-dioxol-6(5aH)-one POSACONAZOLE 3-OXO IMPURITY CAS:357189-94-7 PSC63 2,?5-?Anhydro-?1,?3,?4-?trideoxy-?2-?C-?(2,?4-?difluorophenyl)?-?4-?[[4-?[4-?[4-?[1-?[(1S,?2S)?-?1-?ethyl-?2-?hydroxypropyl]?-?1,?5-?dihydro-?5-?oxo-?4H-?1,?2,?4-?triazol-?4-?yl]?phenyl]?-?3-?oxo-?1-?piperazinyl]?phenoxy]?methyl]?-?1-?(1H-?1,?2,?4-?triazo PRAVASTATIN 2,3-ANHYDRO ACID SODIUM SALT 2,3-ANHYDRO PRAVASTATIN SODIUM 2,3-ANHYDRO PRAVASATIN ACID SODIUM SALT PVS37N Sodium 5(R)-hydroxy-7-((1S,2S,6S,8S,8aR)-6-hydroxy-2-methyl-8-((S)-2-methylbutanoyloxy)-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)hept-2-enoate PRAVASTATIN 2,3-ANHYDRO LACTONE 2,3-ANHYDRO PRAVASTATIN LACTONE CAS:1114834-63-7 PVS38 (2S)-2-Methylbutanoic acid (1S,3S,7S,8S,8aR)-8-[2-[(2R)-3,6-dihydro-6-oxo-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-3-hydroxy-7-methyl-1-naphtha lenyl ester PRAVASTATIN 3-ALPHA-HYDROXY LACTONE 3-ALPHA-HYDROXY ISOCOMPACTIN LACTONE CAS:85798-96-5 PVS43 (2S)-2-Methylbutanoic acid (1S,6S,7R,8S,8aR)-1,2,6,7,8,8a-hexahydro-6-hydroxy-7-methyl-8-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester Pravastatin 3-beta-Hydroxy Acid 3-beta-Hydroxy Isocompactin Acid CAS:145842-18-8 PVS41A (3R,5R)-3,5-dihydroxy-7-[(1S,2R,3R,8S,8aR)-3-hydroxy-2-methyl-8-[[(2S)-2-methylbutanoyl]oxy]-1,2,3,7,8,8a-hexahydro naphthalen-1-yl] heptanoic acid PRAVASTATIN 3-BETA-HYDROXY LACTONE 3-BETA-HYDROXY ISOCOMPACTIN LACTONE CAS:87984-67-6 PVS44 (2S)-2-Methylbutanoic acid (1S,6R,7R,8S,8aR)-1,2,6,7,8,8a-hexahydro-6-hydroxy-7-methyl-8-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester PRAVASTATIN 6-OXO IMPURITY (ACID) CAS:201423-59-8 PVS60A (ßR,dR,1S,2S,8S,8aR)-1,2,6,7,8,8a-Hexahydro-ß,d-dihydroxy-2-methyl-8-[(2S)-2-methyl-1-oxobutoxy]-6-oxo-1-naphthaleneheptanoic acid PRAVASTATIN 6-OXO IMPURITY (NA) PVS60N (ßR,dR,1S,2S,8S,8aR)-1,2,6,7,8,8a-Hexahydro-ß,d-dihydroxy-2-methyl-8-[(2S)-2-methyl-1-oxobutoxy]-6-oxo-1-naphthaleneheptanoic acid sodium salt Pravastatin EP Impurity A (Acid) Pravastatin USP RC B (Acid) 6'-epi-Pravastatin CAS:250737-12-3 PVS01A (3R,5R)-3,5-Dihydroxy-7-[(1S,2S,6R,8S,8aR)-6-hydroxy-2-methyl-8-[[(2S)-2-methylbutanoyl]oxy]-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]heptanoic acid Pravastatin EP Impurity A (Sodium) Pravastatin USP RC B (Sodium) 6'-epi-Pravastatin Sodium CAS:81176-41-2 PVS01N (3R,5R)-3,5-Dihydroxy-7-[(1S,2S,6R,8S,8aR)-6-hydroxy-2-methyl-8-[[(2S)-2-methylbutanoyl]oxy]-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]heptanoic acid sodium salt Pravastatin EP Impurity B (Acid) 3"-(R)-Hydroxy Pravastatin Acid CAS:773073-26-0 PVS02A (3R,5R)-3,5-Dihydroxy-7-[(1S,2S,6S,8S,8aR)-6-hydroxy-8-[[(2S,3R)-3-hydroxy-2-methylbutanoyl]oxy]-2-methyl-1,2,6,7,8,8a-hexahydro naphthalen-1-yl] heptanoic acid Pravastatin EP Impurity B (Sodium) 3"-(R)-Hydroxy Pravastatin Sodium CAS:722504-46-3 PVS02N (3R,5R)-3,5-Dihydroxy-7-[(1S,2S,6S,8S,8aR)-6-hydroxy-8-[[(2S,3R)-3-hydroxy-2-methylbutanoyl]oxy]-2-methyl-1,2,6,7,8,8a-hexahydro naphthalen-1-yl] heptanoic acid sodium salt Pravastatin EP Impurity C (Acid) Methyl Pravastatin Homopravastatin Pravastatin Pentanoyl Impurity CAS:159345-66-1 PVS03A (3R,5R)-3,5-Dihydroxy-7-[(1S,2S,6S,8S,8aR)-6-hydroxy-2-methyl-8-[[(2S)-2-methylpentanoyl]oxy]-1,2,6,7,8,8ahexahydronaphthalen-1-yl]heptanoic acid Pravastatin EP Impurity C (Sodium) Methyl Pravastatin Sodium Homopravastatin Sodium Pravastatin Sodium Pentanoyl Impurity CAS:159225-12-4 PVS03N (3R,5R)-3,5-Dihydroxy-7-[(1S,2S,6S,8S,8aR)-6-hydroxy-2-methyl-8-[[(2S)-2-methylpentanoyl]oxy]-1,2,6,7,8,8ahexahydronaphthalen-1-yl]heptanoic acid sodium salt PRAVASTATIN EP IMPURITY D PRAVASTATIN LACTONE CAS:85956-22-5 PVS04 (1S,3S,7S,8S,8aR)-3-Hydroxy-8-[2-[(2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl]-7-methyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl (2S)-2-methylbutanoate Pravastatin EP Impurity E (Acid) 3"-(S)-Hydroxy Pravastatin CAS:136657-41-5 PVS05A (3R,5R)-3,5-Dihydroxy-7-[(1S,2S,6S,8S,8aR)-6-hydroxy-8-[[(2S,3S)-3-hydroxy-2-methylbutanoyl]oxy]-2-methyl-1,2,6,7,8,8a-hexahydro naphthalen-1-yl] heptanoic acid Pravastatin EP Impurity E (Sodium) 3"-(S)-Hydroxy Pravastatin Sodium CAS:722504-45-2 PVS05N (3R,5R)-3,5-Dihydroxy-7-[(1S,2S,6S,8S,8aR)-6-hydroxy-8-[[(2S,3S)-3-hydroxy-2-methylbutanoyl]oxy]-2-methyl-1,2,6,7,8,8a-hexahydro naphthalen-1-yl] heptanoic acid sodium salt Pravastatin EP Impurity F (Acid) Des(2-methylbutyryl) Pravastatin CAS:151006-03-0 PVS06A (3R,5R)-7-[(1S,2S,6S,8S,8aR)-6,8-Dihydroxy-2-methyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]-3,5-dihydroxyheptanoic acid Pravastatin EP Impurity F (Sodium) Des(2-methylbutyryl) Pravastatin Sodium CAS:151061-28-8 PVS06N (3R,5R)-7-[(1S,2S,6S,8S,8aR)-6,8-Dihydroxy-2-methyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]-3,5-dihydroxyheptanoic acid sodium salt PRAVASTATIN LACTONE DIOL CAS:159345-93-4 PVS31 (4R,6R)-6-[2-[(1S,2S,6S,8S,8aR)-1,2,6,7,8,8a-Hexahydro-6,8-dihydroxy-2-methyl-1-naphthalenyl]ethyl]tetrahydro-4-hydroxy-2H-pyran-2-one PRAVASTATIN SODIUM CAS:81131-70-6 PVS00N (ßR,dR,1S,2S,6S,8S,8aR)-1,2,6,7,8,8a-Hexahydro-ß,d,6-trihydroxy-2-methyl-8-[(2S)-2-methyl-1-oxobutoxy]-1-naphthaleneheptanoic acid sodium salt Pravastatin TMBA Salt Pravastatin 1,1,3,3-Tetramethylbutylamine Salt Pravastatin t-Octylammonium Salt CAS:151006-14-3 PVS78 (ßR,dR,1S,2S,6S,8S,8aR)-1,2,6,7,8,8a-Hexahydro-ß,d,6-trihydroxy-2-methyl-8-[(2S)-2-methyl-1-oxobutoxy]-1-naphthaleneheptanoic acid 1,1,3,3-tetramethylbutylamine salt Pravastatin USP RC A (Acid) 3-alpha-Hydroxy Isocompactin Pravastatin 3-alpha-Hydroxy Acid CAS:81131-74-0 PVS21A (3R,5R)-3,5-dihydroxy-7-[(1S,2R,3S,8S,8aR)-3-hydroxy-2-methyl-8-[[(2S)-2-methylbutanoyl]oxy]-1,2,3,7,8,8a-hexahydro naphthalen-1-yl] heptanoic acid Pravastatin USP RC A (Sodium) 3-alpha-Hydroxy Isocompactin Sodium Pravastatin 3-alpha-Hydroxy Sodium CAS:81093-43-8 PVS21N (3R,5R)-3,5-dihydroxy-7-[(1S,2R,3S,8S,8aR)-3-hydroxy-2-methyl-8-[[(2S)-2-methylbutanoyl]oxy]-1,2,3,7,8,8a-hexahydro naphthalen-1-yl] heptanoic acid sodium salt PRAZIQUANTEL CIS-HYDROXY IMPURITY CAS:134924-68-8 PQT51 1,2,3,6,7,11b-Hexahydro-2-[(cis-4-hydroxycyclohexyl)carbonyl]-4H-pyrazino[2,1-a]isoquinolin-4-one cis-(+/-)-1,2,3,6,7,11b-Hexahydro-2-[(4-hydroxycyclohexyl)carbonyl]- 4H-pyrazino[2,1-a]isoquinolin-4-one |