| | | (4S,4AS,5AS,6S,12AS)-4-(DIMETHYLAMINO)-3,6,10,12,12A-PENTAHYDROXY-1,11-DIOXO-1,4,4A,5,5A,6,11,12A-OCTAHYDROTETRACENE-2-CARBOXAMIDE
CAS:987-02-0
Demeclocycline EP Impurity A Demethyltetracycline
DCC01 (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
CAS:60-54-8
Oxytetracycline EP Impurity B (Base) Tetracycline
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 HCl
CAS:64-75-5
Oxytetracycline EP Impurity B (HCl) Tetracycline
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
CAS:60-54-8
Tetracycline (Base) Oxytetracycline EP Impurity B
TCY00B (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
CAS:60-54-8
Lymecycline EP Impurity H Tetracycline Oxytetrac
LMC06B (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
CAS:64-75-5
Lymecycline EP Impurity H (HCl) Tetracycline HCl
LMC06H (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 HYDROCHLORIDE
CAS:64-75-5
Tetracycline (HCl) Oxytetracycline EP Impurity B
TCY00H (4S,4aS,5aS,6S,12aS)-7-Chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-1,11-dioxo-2-naphthacenecarboxamide
CAS:127-33-3
Demeclocycline (Base) Demethyl Chlortetracycline
DCC00B (4S,4aS,5aS,6S,12aS)-7-Chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-1,11-dioxo-2-naphthacenecarboxamide HCl
CAS:64-73-3
Demeclocycline (HCl) Demethyl Chlortetracycline
DCC00H (4S,4aS,5aS,6S,12aS)-7-Chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacene carboxamide
CAS:57-62-5
Tetracycline Chloro (Base) Lymecycline EP Impurit
TCY52B (4S,4aS,5aS,6S,12aS)-7-Chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-2-naphthacene carboxamide hydrochloride
CAS:64-72-2
Tetracycline Chloro HCl Lymecycline EP Impurity G
TCY52H (4S,4aS,5aS,6S,12aS)-7-Chloro-4-(dimethylamino)-3,6,10,12,12a-pentahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
CAS:127-33-3
Chlortetracycline EP Impurity B (Base) Demeclocyc
CHC02B (4S,4AS,5AS,6S,12AS)-7-CHLORO-4-(DIMETHYLAMINO)-3,6,10,12,12A-PENTAHYDROXY-1,11-DIOXO-1,4,4A,5,5A,6,11,12A-OCTAHYDROTETRACENE-2-CARBOXAMIDE HYDROCHLORIDE
CAS:64-73-3
Chlortetracycline EP Impurity B (HCl) Demeclocycl
CHC02H (4S,4AS,5AS,6S,12AS)-7-CHLORO-4-(DIMETHYLAMINO)-3,6,10,12,12A-PENTAHYDROXY-6-METHYL-1,11-DIOXO-1,4,4A,5,5A,6,11,12A-OCTAHYDROTETRACENE-2-CARBOXAMIDE
CAS:57-62-5
Lymecycline EP Impurity G Chlortetracycline
LMC05B (4S,4AS,5AS,6S,12AS)-7-CHLORO-4-(DIMETHYLAMINO)-3,6,10,12,12A-PENTAHYDROXY-6-METHYL-1,11-DIOXO-1,4,4A,5,5A,6,11,12A-OCTAHYDROTETRACENE-2-CARBOXAMIDE
CAS:57-62-5
Chlortetracycline (Base) Lymecycline EP Impurity
CHC00B (4S,4AS,5AS,6S,12AS)-7-CHLORO-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
CAS:64-72-2
Lymecycline EP Impurity G (HCl) Chlortetracycline
LMC05H (4S,4AS,5AS,6S,12AS)-7-CHLORO-4-(DIMETHYLAMINO)-3,6,10,12,12A-PENTAHYDROXY-6-METHYL-1,11-DIOXO-1,4,4A,5,5A,6,11,12A-OCTAHYDROTETRACENE-2-CARBOXAMIDE HYDROCHLORIDE
CAS:64-72-2
Chlortetracycline (HCl) Chlortetracycline Hydroch
CHC00H (4S,4aS,6S,8aS)-6-((R)-7-Chloro-4-hydroxy-1-methyl-3-oxo-1,3-dihydroisobenzofuran-1-yl)-4-(dimethylamino)-3,8a-dihydroxy-1,8-dioxo-1,4,4a,5,6,7,8,8a-octahydronaphthalene-2-carboxamide
CAS:514-53-4
Chlortetracycline EP Impurity G Isochlortetracycl
CHC07B (4S,5R)-2,2-Dimethyl-4-phenyl-3,5-oxazolidinedicarboxylic acid 5-[(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclo
CAS:1373171-12-0
Cabazitaxel Oxazolidine Impurity
CZT64 (4S,5R)-2,2-Dimethyl-4-phenyl-3,5-oxazolidinedicarboxylic acid 5-[(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,6,11-trihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,
CAS:159262-93-8
Cabazitaxel Dectroc Oxazolidine Impurity
CZT62 (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
CAS:189453-10-9
Epothilone D 12,13-Desoxy Epothilone B
EPT04 (5,6,7,7b,8,10a-Hexahydro-1,2,3,9-tetramethoxy-8-oxobenzo[a]cyclopenta[3,4]cyclobuta[1,2-c]cyclohepten-7-yl)-, [7S-(7a,7ba,10aa)]acetamide
CAS:6901-14-0
Colchicine EP Impurity G
CCN07 (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
CAS:477-49-6
Podophyllotoxin EP Impurity C Podophyllotoxone
PPT03 (5R)-7-[(1S,2S,6R,8S,8aR)-2,6-Dimethyl-8-[[(2S)-2-methylbutanoyl]oxy]-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]-5-hydroxy-2-heptenoic acid sodium salt
CAS:188067-71-2
Lovastatin Anhydro Acid Sodium Salt
LVS39N (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
CAS:93108-16-8
Podophyllotoxin 4-Deoxy 10-Bromo
PPT57 (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
CAS:3590-93-0
Podophyllotoxin p-Desmethyl 9-Desoxy Impurity
PPT54 (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
CAS:19186-35-7
Podophyllotoxin 9-Desoxy Impurity
PPT51 (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
CAS:518-28-5
Podophyllotoxin Etoposide EP Impurity M
PPT00 (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
CAS:40505-27-9
Podophyllotoxin p-Desmethyl Impurity Etoposide EP
PPT56 (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
CAS:16481-54-2
Podophyllotoxin 9-O-Glucoside
PPT53 (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
CAS:518-28-5
Etoposide EP Impurity M Podophyllotoxin
ESX13 (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
CAS:7/9/4375
Podophyllotoxin 9-Epimer
PPT52 (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
CAS:6559-91-7
Podophyllotoxin EP Impurity B Podophyllotoxin p-D
PPT02 (5R,5aR,8aR,9S)-5-[4-[[(Benzyloxy)carbonyl]oxy]-3,5-dimethoxyphenyl]-9-[[4,6-O-[(R)-ethylidene]-2,3-di-O-formyl-ß-D-glucopyranosyl]oxy]-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one
Etoposide EP Impurity G 4'-Carbobenzoyloxydiformy
ESX07 (5R,5aR,8aR,9S)-5-[4-[[(Benzyloxy)carbonyl]oxy]-3,5-dimethoxyphenyl]-9-[[4,6-O-[(R)-ethylidene]-ß-D-glucopyranosyl]oxy]-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one
CAS:124151-67-3
Etoposide EP Impurity A 4'-Carbobenzoyloxyethylid
ESX01 (5R,5aR,8aR,9S)-9-[[2,3-Bis-O-(Dichloroacetyl)-4,6-O-[(S)-ethylidene]-ß-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 O
ESX15 (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
CAS:100007-53-2
Etoposide EP Impurity C alpha-Etoposide
ESX03 (5R,5aR,8aR,9S)-9-[[4,6-O-[(R)-Ethylidene]-ß-D-glucopyranosyl]oxy]-5-(3,4,5-trimethoxyphenyl)-5,8,8a,9tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one
CAS:111712-42-6
Etoposide EP Impurity I 4-O-Methylethylidene Lign
ESX09 (5R,5aR,8aR,9S)-9-[[4,6-O-[(R)-Ethylidene]-ß-D-glucopyranosyl]oxy]-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one
CAS:33419-42-0
Etoposide
ESX00 (5R,5aR,8aR,9S)-9-[[4,6-O-[(R)-Ethylidene]-ß-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 F 4'-Phenoxyacetyletoposide
ESX06 (5R,5aR,8aR,9S)-9-[[4,6-O-[(R)-Ethylidene]-ß-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
Etoposide EP Impurity R
ESX18 (5R,5aR,8aR,9S)-9-[[4,6-O-[(R)-Ethylidene]-ß-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 N
ESX14 (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
CAS:477-47-4
Podophyllotoxin EP Impurity A Podophyllotoxin 5a-
PPT01 (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
CAS:112066-16-7
Podophyllotoxin 4’-Demethyl
PPT58 (5R,5aS,8aR,9S)-9-[[4,6-O-[(R)-Ethylidene]-ß-D-glucopyranosyl]oxy]-5-(4-hydroxy-3,5-dimethoxyphenyl)-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)-one
CAS:100007-56-5
Etoposide EP Impurity B Picroethylidene Lignan P
ESX02 (5S,8R,9R,10S,13S,14S,17S)-17-Ethynyl-13-methyl-2,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-ol 19-nor-5a,17a-pregn-3-en-20-yn-17-ol
Lynestrenol EP Impurity A Lynestrenol Delta-3 Iso
LNS01 (5Z,7E,22E,24R)-24-Cyclopropyl-24-[[(5Z,7E,22E,24S)-24-cyclopropyl-1a,3ß-dihydroxy-9,10-secochola-5,7,10(19),22-tetraen-24-yl]oxy]-9,10-secochola-5,7,10(19),22-tetraene-1a,3ß-diol
Calcipotriol EP Impurity H
CCP08 (5Z,7E,22E,24S)-24-Cyclopropyl-1a,3ß-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-9,10-secochola-5,7,10(19),22-tetraen-24-ol 1,3-Bis-O-(tert-butyldimethylsilyl)calcipotriene
CAS:112875-61-3
Calcipotriol EP Impurity F
CCP06 (6aR,7R,9aR)-11-[(3S,5R)-3,5-Dihydroxy-2-methylcyclohex-1-enyl]-7-[(1R)-5-hydroxy-1,5-dimethylhexyl]-6a-methyl-2-phenyl-5,6,6a,7,8,9,9a,11-octahydro-1H,4aH-cyclopenta[f][1,2,4]triazolo[1,2a]cinnoline-1,3(2H)-dione
CAS:86307-44-0
Calcitriol EP Impurity C Pre-Calcitriol Triazolin
CCT03 (6bR)-12-(1,3-Benzodioxol-5-yl)-12a-hydroxy-8-methyl-6a,6b,8,9,12,12a-hexahydropyrazino[1',2'1,2]-pyrrolo[3,4-c]quinoline-6,7,10(5H)-trione
Tadalafil EP Impurity D
TLF04 (6bR,10aS)-Ethyl 2-oxo-2,3,6b,7,10,10a-hexahydro-1H-pyrido[3,44,5]pyrrolo[1,2,3-de]quinoxaline-8(9H)-carboxylate
CAS:313544-32-0
Lumateperone Impurity 2
LMR62 (6bR,10aS)-Ethyl 3-methyl-2-oxo-2,3,6b,7,10,10a-hexahydro-1H-pyrido[3,44,5]pyrrolo[1,2,3-de]quinoxaline-8(9H)-carboxylate
CAS:313544-76-2
Lumateperone Impurity 3
LMR63 (6R)-6-((3S,5R,10S,12S,13R,14R,17R)-3,12-Dihydroxy-4,4,10,13,14-pentamethyl-7,11,15-trioxo-2,3,4,5,6,7,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-4-oxoheptanoic acid
CAS:105742-76-5
Ganoderic acid C6
GDR53 (6R)-6-((5R,10S,12S,13R,14R,17R)-12-Acetoxy-4,4,10,13,14-pentamethyl-3,7,11,15-tetraoxo-2,3,4,5,6,7,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-4-oxoheptanoic acid
CAS:98665-15-7
Ganoderic acid F
GDR56 (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2,7-dimethyl-Pyrazino[1',2'1,6]pyrido[3,4-b]indole-1,4-dione
CAS:477970-21-1
Tadalafil Impurity 22
TLF82 (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-(2-hydroxypropyl)-pyrazino[1',2'1,6]pyrido[3,4-b]indole-1,4-dione
CAS:1353020-85-5
Tadalafil Impurity 20
TLF80 (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-octylpyrazino[1',2'1,6]pyrido[3,4-b]indole-1,4-dione
CAS:1173706-35-8
Tadalafil Impurity 23
TLF83 (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydropyrazino [1',2'1,6]-pyrido[3,4-b]indole-1,4-dione
CAS:171596-36-4
Tadalafil N-Desmethyl Impurity
TLF41 (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-butyl-2,3,6,7,12,12a-hexahydropyrazino[1',2'1,6]pyrido[3,4-b]indole-1,4-dione
CAS:171596-31-9
Tadalafil Impurity 18
TLF78 (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-cyclopentyl-2,3,6,7,12,12a-hexahydropyrazino[1',2'1,6]pyrido[3,4-b]indole-1,4-dione
CAS:171596-32-0
Tadalafil N-Desmethyl-N-Cyclopentyl
TLF55 (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-ethyl-2,3,6,7,12,12a-hexahydropyrazino[1',2'1,6]pyrido[3,4-b]indole-1,4-dione
CAS:1609405-34-6
Tadalafil N-Ethyl
TLF56 (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1',2'1,6]-pyrido[3,4-b]indole-1,4-dione
CAS:171596-29-5
Tadalafil
TLF00 (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydropyrazino [1',2'1,6]-pyrido[3,4-b]indole-1,4-dione
CAS:385769-84-6
Tadalafil N-Desmethyl N-Amino Impurity (Base)
TLF42B (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydropyrazino [1',2'1,6]-pyrido[3,4-b]indole-1,4-dione HCl
Tadalafil N-Desmethyl N-Amino Impurity (HCl)
TLF42H (6R,12aR)-6-(3,4-Dihydroxyphenyl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1',2'1,6]-pyrido[3,4-b]indole-1,4-dione
CAS:171489-03-5
Tadalafil Desmethylene Impurity
TLF40 (6R,12aR)-6-(Benzo[d][1,3]dioxol-2-one-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1',2'1,6]-pyrido[3,4-b]indole-1,4-dione
CAS:1346602-17-2
Tadalafil Dioxolone Impurity
TLF50 (6R,12aR)-rel-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-(2-hydroxyethyl)-pyrazino[1',2'1,6]pyrido[3,4-b]indole-1,4-dione
CAS:385769-94-8
Tadalafil 2-Hydroxyethyl
TLF52 (6R,12aR,12bR)-6-(1,3-Benzodioxol-5-yl)-6a-hydroxy-2-methyl-2,3,6a,7,12a,12b-hexahydropyrazino [1',2'1,5]-pyrrolo[3,4-b]quinoline-1,4,12(6H)-trione
CAS:1978322-99-4
Tadalafil EP Impurity E
TLF05 (6R,12aS)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro pyrazino [1',2'1,6]pyrido[3,4-b]indole-1,4-dione
CAS:929100-66-3
Tadalafil EP Impurity A N-Desmethyl Impurity N-De
TLF51 (6R,12aS)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1',2'1,6]pyrido[3,4-b]indole-1,4-dione
CAS:171596-27-3
Tadalafil EP Impurity A Tadalafil USP RC A Tadal
TLF01 (6R,14aR)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,14,14a-tetrahydropyrazino[1,2-d][1,4]benzodiazonine-1,4,7,13(6H,8H)-tetrone
CAS:1346605-38-6 1978322-98-3
Tadalafil EP Impurity H Tadalafil Ketolactam
TLF08 (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 3
ETG63 (6R,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-Difluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:60895-22-9
Flumethasone Impurity 1 6ß-Fluoro Flumethasone
FMP51 (6R,8S,9R,10S,11S,13S,14S,16R,17R)-9-Chloro-17-(2-chloroacetyl)-6,11-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl furan-2-carboxylate
CAS:132160-74-8
Mometasone Furoate 6beta-Hydroxy Impurity
MTS44 (6R,8S,9R,10S,11S,13S,14S,16R,17S)-6,9-Difluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
Difluocortolone 6R-Fluoro Impurity
DFC56 (6R,8S,9R,10S,11S,13S,14S,17R)-17-Acetyl-9-fluoro-11,17-dihydroxy-6,10,13-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:3918-13-6
Fluorometholone 6ß-Methyl Isomer
FML62 (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 4
ETG64 (6R,8S,9S,10R,13S,14S,17S)-17-Acetyl-6-hydroxy-10,13-dimethyl-1,7,8,10,11,12,13,15,16,17-decahydro-2H-cyclopenta[a]phenanthren-3(6H,9H,14H)-one
CAS:604-19-3
Progesterone 6ß-Hydroxy
PGR62 (6S)-2-(3-Chloro-4-fluorobenzyl)-8-ethyl-10-hydroxy-N,6-dimethyl-1,9-dioxo-1,2,6,7,8,9-hexahydropyrazino[1',2'1,5]pyrrolo[2,3-d]pyridazine-4-carboxamide
CAS:869901-69-9
Raltegravir RC 5
RGV65 (6S,12aR)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1',2'1,6]pyrido[3,4-b]indole-1,4-dione
CAS:171596-28-4
Tadalafil EP Impurity C Tadalafil USP RC C Tadal
TLF03 (6S,12aS)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1',2'1,6]pyrido[3,4-b]indole-1,4-dione
CAS:629652-72-8
Tadalafil EP Impurity B Tadalafil USP RC B Tada
TLF02 (6S,7R,8R,22E,24S)-24-Cyclopropyl-6,87,19-dicyclo-9,10-secochola-5(10),22-diene-1a,3ß,24-triol
Calcipotriol EP Impurity I Suprasterol of Calcipo
CCP09 (6S,8S,10R,13S,14S,17R)-17-Acetyl-17-hydroxy-6,10,13-trimethyl-7,8,13,15,16,17-hexahydro-6H-cyclopenta[a]phenanthren-3(10H,12H,14H)-one
Fluorometholone Impurity E Fluorometholone 9,11-D
FML05 (6S,8S,9R,10S,11S,13S,14S)-17-Acetyl-9-fluoro-11-hydroxy-6,10,13-trimethyl-7,8,9,11,12,13,14,15-octahydro-6H-cyclopenta[a]phenanthren-3(10H)-one
CAS:2061-13-4
Fluorometholone Impurity F Fluorometholone 16,17-
FML06 (6S,8S,9R,10S,11S,13S,14S)-6,9-Difluoro-11,17-dihydroxy-10,13-dimethyl-7,8,9,11,12,13,14,15-octahydro-6H-cyclopenta[a]phenanthren-3(10H)-one
Difluprednate Impurity 1
DFN61 (6S,8S,9R,10S,11S,13S,14S)-6,9-Difluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-7,8,9,11,12,13,14,15-octahydro-6H-cyclopenta[a]phenanthren-3(10H)-one
CAS:1270039-29-6
Difluprednate Impurity 3
DFN63 (6S,8S,9R,10S,11S,13S,14S,16R)-2-Chloro-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-7,8,9,11,12,13,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17(10H,14H)-dione
CAS:136132-00-8
Halometasone RC 1
HMT61 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-17-((Chloromethylthio)carbonyl)-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl acetate
CAS:80474-07-3
Fluticasone Acetate Chloromethyl Analog
FLT50 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-17-Acetoxy-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carbothioic S-acid
CAS:80473-93-4
Fluticasone Carbothioic Acid Acetate
FLT62 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-2-Chloro-6,9-difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid
CAS:80157-55-7
Halometasone RC 2
HMT62 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-2-Chloro-6,9-difluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:50629-82-8
Halometasone
HMT00 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-Difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carbonyl chloride
Fluticasone 17-Chlorocarbonyl Analog
FLT51 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-Difluoro-11-hydroxy-17-((iodomethylthio)carbonyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl acetate
CAS:80474-71-1
Fluticasone Acetate Iodomethyl Analog
FLT61 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-Difluoro-11-hydroxy-17-((iodomethylthio)carbonyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
CAS:80474-67-5
Fluticasone Propionate Iodomethyl Analog
FLT64 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-Difluoro-17-((fluoromethyl thio)carbonyl)-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl furan-2-carboxylate
CAS:397864-44-7
Fluticasone furoate
FLT63 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-Difluoro-17-((fluoromethylthio)carbonyl)-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl isobutyrate
CAS:1648562-63-3
Fluticasone 17-Isobutyrate
FLT52 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-6-chloro-9-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:1744-64-5
Flumethasone Impurity 2 6a-Chloro Dexamethasone
FMP52 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-6-Chloro-9-fluoro-17-((fluoromethylthio)carbonyl)-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
Flumethasone Impurity 4
FMP54 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-9-Chloro-17-(2-chloroacetyl)-6,11-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl furan-2-carboxylate
CAS:134429-33-7
Mometasone Furoate 6alpha-Hydroxy Impurity
MTS43 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-9-Chloro-6-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:1355648-15-5
Flumethasone Impurity 6 9-Chloro Flumethasone
FMP56 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-Fluoromethyl 6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-(propionyloxy)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylate
CAS:1174034-79-7
Fluticasone Propionate Fluoromethyl Ester Analog
FLT56 (6S,8S,9R,10S,11S,13S,14S,16R,17R)-METHYL 6,9-DIFLUORO-11-HYDROXY-10,13,16-TRIMETHYL-3-OXO-17-(PROPIONYLOXY)-6,7,8,9,10,11,12,13,14,15,16,17-DODECAHYDRO-3H-CYCLOPENTA[A]PHENANTHRENE-17-CARBOXYLATE
CAS:59860-80-9
Fluticasone Propionate Methyl Ester Analog
FLT57 (6S,8S,9R,10S,11S,13S,14S,16R,17S)-6,9-Difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid
Difluocortolone 17-Carboxylic Acid
DFC57 (6S,8S,9R,10S,11S,13S,14S,16R,17S)-6,9-Difluoro-11-hydroxy-17-(2-hydroxy-2-methoxyacetyl)-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
Flumethasone Impurity 5
FMP55 (6S,8S,9R,10S,11S,13S,14S,16R,17S)-6,9-Difluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:6/9/2607
Difluocortolone
DFC00 (6S,8S,9R,10S,11S,13S,14S,16R,17S)-6-Chloro-9-fluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
Difluocortolone 6S-Chloro Impurity
DFC66 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-17-(2-Chloroacetyl)-6,9-difluoro-11,17-dihydroxy-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:98651-66-2
Halobetasol 21-Chloro Diflorasone
HBS50 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-17-(2-Chloroacetyl)-6,9-difluoro-11,17-dihydroxy-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:98651-66-2
Diflorasone 21-Chloro Halobetasol
DRS50 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-17-(2-Chloroacetyl)-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
CAS:66852-54-8
Halobetasol Propionate Halobetasol 17-Propionate
HBS00 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-6,9-Difluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:2557-49-5
Diflorasone
DRS60 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-6,9-Difluoro-11-hydroxy-10,13,16-trimethyl-17-(2-(methylsulfonyloxy)acetyl)-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
CAS:84509-92-2
Halobetasol Propionate 21-Mesylate Diflorasone 17
HBS54 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-6,9-Difluoro-11-hydroxy-10,13,16-trimethyl-17-(2-(methylsulfonyloxy)acetyl)-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
CAS:84509-92-2
Diflorasone 17-Proprionate 21-Mesylate Halobetaso
DRS54 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-6,9-Difluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl acetate
CAS:50630-19-8
Diflorasone 17-O-Acetyl
DRS63 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-6,9-Difluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
CAS:924726-89-6
Halobetasol Propionate 21-Hydroxy Analog Difloras
HBS53 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-6,9-Difluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
CAS:924726-89-6
Diflorasone 17-Propionate Halobetasol Propionate
DRS53 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-6,9-DIFLUORO-17-HYDROXY-17-(2-HYDROXYACETYL)-10,13,16-TRIMETHYL-3-OXO-6,7,8,9,10,11,12,13,14,15,16,17-DODECAHYDRO-3H-CYCLOPENTA[A]PHENANTHREN-11-YL PROPIONATE
Diflorasone 11-O-Propionyl
DRS61 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-6-Chloro-17-(2-chloroacetyl)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
Halobetasol Propionate 6-Chloro Analog 6-Chloro H
HBS56 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-6-Chloro-9-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
Diflorasone 6-Chloro Halobetasol 6-Chloro 21-Hydr
DRS57 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-6-Chloro-9-fluoro-11-hydroxy-10,13,16-trimethyl-17-(2-(methylsulfonyloxy)acetyl)-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
Halobetasol Propionate 6-Chloro 21-Mesylate
HBS68 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-6-Chloro-9-fluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-Dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate 6a-Desfluoro-6a-chloro-21-hydroxy halobetasol propionat
Diflorasone 17-Propionate 6-Chloro Halobetasol Pr
DRS58 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-9-Chloro-17-(2-chloroacetyl)-6-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
CAS:66852-61-7
Halobetasol Propionate 9-Chloro Analog 9-Chloro H
HBS59 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-9-Chloro-6-fluoro-11-hydroxy-10,13,16-trimethyl-17-(2-(methylsulfonyloxy)acetyl)-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
Halobetasol Propionate 9-Chloro 21-Mesylate
HBS69 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-9-Chloro-6-fluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
CAS:84509-91-1
Halobetasol Propionate 9-Chloro 21-Hydroxy Analog
HBS55 (6S,8S,9R,10S,11S,13S,14S,16S,17R)-9-Chloro-6-fluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
CAS:84509-91-1
Diflorasone 17-Propionate 9-Chloro Halobetasol Pr
DRS55 (6S,8S,9R,10S,11S,13S,14S,17R)-17-Acetyl-9-chloro-11,17-dihydroxy-6,10,13-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
Fluorometholone Impurity C Fluorometholone 9-Chlo
FML03 (6S,8S,9R,10S,11S,13S,14S,17R)-17-Acetyl-9-fluoro-11,17-dihydroxy-6,10,13-trimethyl-1,7,8,10,11,12,13,15,16,17-decahydro-2H-cyclopenta[a]phenanthren-3(6H,9H,14H)-one
CAS:378-36-9
Fluorometholone Impurity B Fluorometholone 1,2-Di
FML02 (6S,8S,9R,10S,11S,13S,14S,17R)-17-Acetyl-9-fluoro-11,17-dihydroxy-6,10,13-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:426-13-1
Fluorometholone
FML00 (6S,8S,9R,10S,11S,13S,14S,17R)-17-Acetyl-9-fluoro-11-hydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl acetate
CAS:6/7/3801
Fluorometholone 17-Acetate
FML50 (6S,8S,9R,10S,11S,13S,14S,17R)-6,9-Difluoro-11,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid
CAS:1234557-20-0
Difluprednate Impurity 2 6a-9-Difluoroprednisolon
DFN62 (6S,8S,9R,10S,11S,13S,14S,17R)-6,9-Difluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:806-29-1
Isoflupredone RC 2 6a-Fluoro Isoflupredone 6a,?9
IFP62 (6S,8S,9R,10S,11S,13S,14S,17R)-9-Chloro-6-fluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl butyrate
Difluprednate Impurity 8
DFN68 (6S,8S,9R,10S,11S,13S,14S,17R)-9-FLUORO-6,11-DIHYDROXY-17-(2-HYDROXYACETYL)-10,13-DIMETHYL-3-OXO-6,7,8,9,10,11,12,13,14,15,16,17-DODECAHYDRO-3H-CYCLOPENTA[A]PHENANTHREN-17-YL BUTYRATE
CAS:1296177-38-2
Difluprednate Impurity 6
DFN66 (6S,8S,9R,10S,13S,14S)-6,9-Difluoro-17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-7,8,13,15,16,17-hexahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
Difluprednate Impurity 4
DFN64 (6S,8S,9S,10R,11S,13S,14S,17R)-17-Acetyl-11,17-dihydroxy-6,10,13-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:6870-94-6
Fluorometholone Impurity A Fluorometholone USP RC
FML01 (6S,8S,9S,10R,13S,14S,17S)-17-Acetyl-6-hydroxy-10,13-dimethyl-1,7,8,10,11,12,13,15,16,17-decahydro-2H-cyclopenta[a]phenanthren-3(6H,9H,14H)-one
CAS:604-20-6
Progesterone 6a-Hydroxy
PGR61 (7R,8R,9S,13S,14S)-3-Hydroxy-13-methyl-7-(9-((R)-4,4,5,5,5-pentafluoropentylsulfinyl)nonyl)-7,8,9,11,12,13,15,16-octahydro-6H-cyclopenta[a]phenanthren-17(14H)-one
CAS:403656-89-3
Fulvestrant 17-Ketone
FVT51 (7R,8R,9S,13S,14S,17S)-17-hydroxy-13-methyl-7-(9-((R)-4,4,5,5,5-pentafluoropentyl sulfinyl)nonyl)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl hydrogen sulfate
CAS:261506-26-7
Fulvestrant 3-Sulfate (Acid)
FVT54A (7R,8R,9S,13S,14S,17S)-3-(Benzyloxy)-13-methyl-7-(9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol
Fulvestrant 3-O-Benzyl Impurity
FVT52 (7R,8R,9S,13S,14S,17S)-3-Methoxy-13-methyl-7-(9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol
CAS:1221256-46-7
Fulvestrant 3-O-Methyl Impurity
FVT53 (7ß,15a,25R)-7,15-Dihydroxy-3,11,23-trioxolanost-8-en-26-oic acid (2R,6R)-6-((5R,7S,10S,13R,14R,15S)-7,15-dihydroxy-4,4,10,13,14-pentamethyl-3,11-dioxo-2,3,4,5,6,7,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-4-oxohe
CAS:81907-62-2
Ganoderic acid A
GDR51 (8R,9S,10R,13S,14S)-10,13-Dimethyl-17-(pyridin-3-yl)-1,7,8,9,10,11,12,13,14,15-decahydro-2H-cyclopenta[a]phenanthren-3(6H)-one
CAS:154229-21-7
Abiraterone 3-Oxo 4,5-Dihydro Impurity
ABR84 (8R,9S,10R,13S,14S)-3-Ethynyl-10,13-dimethyl-17-(pyridin-3-yl)-2,3,4,7,8,9,10,11,12,13,14,15-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
Abiraterone 3-Ethynyl Impurity
ABR82 (8R,9S,10R,13S,14S,17R)-13-Methyl-17-vinyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-ol 19-Nor-17a-pregna-4,20-dien-17-ol
CAS:5225-38-7
Lynestrenol EP Impurity C 20,21-Dihydro Lynestren
LNS03 (8R,9S,10R,13S,14S,17R)-17-Ethynyl-13-methyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-ol 19-Norpregn-4-en-20-yn-17-ol
CAS:58311-09-4
Lynestrenol EP Impurity B Lynestrenol 17-Epimer
LNS02 (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 17ß- Hydroxy Sulfamate
EXM52 (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-3-methoxy-2,7,8,9,10,11,12,13,14,17-decahydro-1H-cyclopenta[a]phenanthren-17-ol
Gestodene Dienol 3-Methyl Ether
GTD53 (8R,9S,10R,13S,14S,17S)-17-Ethynyl-13-methyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-ol
CAS:52-76-6
Lynestrenol
LNS00 (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
CAS:50394-89-3
Ethinylestradiol 2-Hydroxy Impurity
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-3,4,17-triol
CAS:50394-90-6
Ethinylestradiol 4-Hydroxy Impurity
ETE54 (8R,9S,13S,14S,17S)-17-Methoxy-13-methyl-3-propoxy-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene
CAS:39219-28-8
Promestriene
PMS00 (8S,10S,13S,14S,16R,17R)-10,13,16-Trimethyl-17-(2-(methylsulfonyloxy)acetyl)-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl furan-2-carboxylate
CAS:83880-63-1
Mometasone RC 1
MTS61 (8S,10S,13S,14S,16R,17R)-17-(2-Acetoxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl furan-2-carboxylate
CAS:83880-61-9
Mometasone RC 3
MTS63 (8S,10S,13S,14S,16R,17R)-17-(2-Hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl furan-2-carboxylate
CAS:83880-62-0
Mometasone RC 2
MTS62 (8S,13S,14S,17S)-17-Methoxy-13-methyl-3-propoxy-7,8,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthrene
Promestriene Dehydro Impurity Delta-9,11 Promestr
PMS50 (8S,9R,10S,11S,13S,14S,16R,17R)-4,9-Difluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
Flumethasone Impurity 3
FMP53 (8S,9R,10S,11S,13S,14S,16R,17R)-9-Chloro-11-hydroxy-17-(2-hydroxyacetyl)-13,16-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl furan-2-carboxylate
Mometasone Furoate Impurity 1
MTS51 (8S,9R,10S,11S,13S,14S,16R,17R)-9-Fluoro-17-(((fluoromethyl)thio)carbonyl)-11-hydroxy-10,13,16-trimethyl-3,6-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
Fluticasone Propionate 6-Oxo Analog
FLT60 (8S,9R,10S,11S,13S,14S,16R,17R)-Ethyl 9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylate
Dexamethasone Acid Ethyl Ester
DMS53 (8S,9R,10S,11S,13S,14S,16R,17S)-9-Chloro-17-(2-chloroacetyl)-11-hydroxy-6,10,13,16-tetramethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl furan-2-carboxylate
Mometasone Furoate Impurity 6
MTS56 (8S,9R,10S,11S,13S,14S,16R,17S)-9-Fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-16-yl acetate
CAS:3925-42-6
Triamcinolone 16-Acetate Triamcinolone Impurity 1
TCN51 (8S,9R,10S,11S,13S,14S,16S,17R)-9-Fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,11,12,13,15,16,17-octahydro-9H-cyclopenta[a]phenanthrene-3,6(10H,14H)-dione
CAS:72559-90-1
Betamethasone 6-Oxo Impurity
BMS60 (8S,9R,10S,11S,13S,14S,17R)-17-(2-(1-Ethoxyethoxy)acetyl)-9-fluoro-11,17-dihydroxy-10,13-dimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
Isoflupredone RC 3
IFP63 (8S,9R,10S,11S,13S,14S,17R)-17-(2-Chloroacetyl)-9-fluoro-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
CAS:68791-68-4
Isoflupredone RC 1
IFP61 (8S,9R,10S,11S,13S,14S,17R)-17-Acetyl-9-fluoro-11,17-dihydroxy-10,13-dimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:426-20-0
Fluorometholone 6-Desmethyl Impurity
FML56 (8S,9R,10S,11S,13S,14S,17R)-9-Chloro-17-(2-chloroacetyl)-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl furan-2-carboxylate
CAS:1404070-67-2
Mometasone Furoate Impurity 9
MTS59 (8S,9R,10S,11S,13S,14S,17R)-9-Fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-7,8,11,12,13,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3(9H,10H,14H)-one
CAS:338-95-4
Isoflupredone
IFP00 (8S,9R,10S,13S,14S,16R,17R)-9-CHLORO-17-(2-CHLOROACETYL)-10,13,16-TRIMETHYL-3,11-DIOXO-6,7,8,9,10,11,12,13,14,15,16,17-DODECAHYDRO-3H-CYCLOPENTA[A]PHENANTHREN-17-YL FURAN-2-CARBOXYLATE
Mometasone Furoate Impurity 4
MTS54 (8S,9R,10S,13S,14S,16S,17R)-17-(2-Acetoxyacetyl)-9-fluoro-10,13,16-trimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
Betamethasone 11-Oxo 21-Acetate 17-Propionate
BMS74 (8S,9R,10S,13S,14S,16S,17R)-9-Fluoro-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate
Betamethasone 11-Oxo 17-Propionate
BMS72 (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
CAS:6615-00-5
Etonogestrel RC 5
ETG65 (8S,9S,10R,11R,13S,14S,17S)-17-(2,2-DIHYDROXYACETYL)-11-HYDROXY-10,13-DIMETHYL-1,2,6,7,8,9,10,11,12,13,14,15,16,17-TETRADECAHYDRO-3H-CYCLOPENTA[A]PHENANTHREN-3-ONE
Hydrocortisone RC 2 Hydrocortisone Glyoxal Hydrat
HCS62 (8S,9S,10R,11S,13S,14S)-11-Hydroxy-10,13-dimethyl-1,7,8,9,10,11,12,13,15,16-decahydro-2H-cyclopenta[a]phenanthrene-3,17(6H,14H)-dione
Hydrocortisone RC 3 7-Keto Hydroxyprogesterone
HCS63 (8S,9S,10R,11S,13S,14S)-17-(2,2-Dihydroxyacetyl)-11-hydroxy-10,13-dimethyl-7,8,9,11,12,13,14,15-octahydro-6H-cyclopenta[a]phenanthren-3(10H)-one
Prednisolone 16,17-Dehydro 21-Hydroxy
PNS57 (8S,9S,10R,11S,13S,14S,17R)-11-HYDROXY-17-(2-HYDROXYACETYL)-10,13-DIMETHYL-7,8,9,10,11,12,13,14,15,17-DECAHYDRO-3H-CYCLOPENTA[A]PHENANTHRENE-3,16(6H)-DIONE
CAS:111088-90-5
Budesonide RC 4
BDS64 (8S,9S,10R,11S,13S,14S,17R)-Chloromethyl 17-(ethoxycarbonyloxy)-11-hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylate
CAS:82034-20-6
Loteprednol Etabonate 1,2-Dihydro
LTP54 (8S,9S,10R,11S,13S,14S,17R)-Ethyl 17-(ethoxycarbonyloxy)-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylate
CAS:182069-19-8
Loteprednol Etabonate USP RC C Loteprednol Etabo
LTP23 (8S,9S,10R,11S,13S,14S,17R)-Iodomethyl 17-((Ethoxycarbonyl)oxy)-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylate
Loteprednol Etabonate Iodomethyl Analog
LTP53 (8S,9S,10R,13S,14S)-13-Ethyl-3-ethynyl-3-hydroxy-11-methylene-1,2,3,7,8,9,10,11,12,13,15,16-dodecahydro-6H-cyclopenta[a]phenanthren-17(14H)-one
Desogestrel RC 1
DSG51 (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 1
ETG61 (8S,9S,10R,13S,14S,17R)-Chloromethyl 17-((ethoxycarbonyl)oxy)-10,13-dimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylate
CAS:207670-54-0
Loteprednol Etabonate USP RC H 11-Keto Lotepredno
LTP28 (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 2
ETG62 (8S,9S,10R,13S,14S,17S)-17-Acetyl-10,13-dimethyl-1,7,8,10,11,12,13,15,16,17-decahydro-2H-cyclopenta[a]phenanthrene-3,6(9H,14H)-dione
CAS:8/5/2243
Progesterone 6-Keto
PGR60 (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
CAS:54024-10-1
Etonogestrel 18-Desmethyl
ETG51 (8S,9S,10S,11S,13S,14R,17S)-17-(2-Acetoxyacetyl)-9-fluoro-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl butyrate
Difluprednate Impurity 7
DFN67 (8S,9S,10S,13S,14S,17S)-17-Ethynyl-10-hydroxy-13-methyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl acetate
Norethindrone Acetate 10ß-Hydroxy Impurity
NEA60 (8S,9S,13S,14S)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-ol
CAS:53-63-4
Estradiol 17-Desoxy Impurity
ETL50 (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
CAS:1034298-00-4
Ethinylestradiol 1-Hydroxy 4-Methyl Impurity
ETE51 (9S,12E,14S,15R,16S,17R,18R,19R,20S,21S,22E,24Z)-6,18,20-Trihydroxy-14-methoxy-7,9,15,17,19,21,25-heptamethyl-1'-(2-methylpropyl)-5,10,26-trioxo-3,5,9,10-tetrahydrospiro[9,4-(epoxypentadeca[1,11,13]trienimino)-2H-furo[2',3'7,8]naphtho[1,2-d]imidazole-2,4'
CAS:72559-06-9
Rifabutin
RFB00 (9S,12E,14S,15R,16S,17R,18R,19R,20S,21S,22E,24Z)-Spiro[9,4-(epoxypentadeca[1,11,13]trienimino)-2H-furo[2',3'7,8]naphth[1,2-d]imidazole-2,4'-piperidine]-5,10,26(3H,9H)-trione, 16-(acetyloxy)-6,18,20-trihydroxy-14-methoxy-7,9,15,17,19,21,25-heptamethyl-1'-(
CAS:645406-37-7
Rifabutin N-Oxide
RFB50 (9Z,12Z)-N-[(3S,6S,9S,11R,15S,18S,20R,21R,24S,25S,26S)-6-[(1S,2S)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl]-11,20,21,25-tetrahydroxy-3,15-bis[(1R)-1-hydroxyethyl]-26-methyl-2,5,8,14,17,23-hexaoxo-1,4,7,13,16,22-hexaazatricyclo[22.3.0.0?,¹³]heptacosan-18-yl]
CAS:54651-05-7
Anidulafungin Echinocandin B Impurity Echinocandi
ADF02P (9Z,12Z)-N-[(3S,6S,9S,11R,15S,18S,20R,21R,24S,25S,26S)-6-[(1S,2S)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl]-11,20,21,25-tetrahydroxy-3,15-bis[(1R)-1-hydroxyethyl]-26-methyl-2,5,8,14,17,23-hexaoxo-1,4,7,13,16,22-hexaazatricyclo[22.3.0.0?,¹³]heptacosan-18-yl]
CAS:54651-05-7
Anidulafungin Echinocandin B Impurity Echinocandi
ADF02C (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
CAS:213767-22-7
Paclitaxel 2-Pentanoate Analog
PCX52 (E)-8-Ethyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-Hexadecahydro-5,19-dihydroxy-3-[(E)-2-(4-hydroxy-3-methoxycyclohexyl)-1-methylvinyl]-14,16-dimethoxy-4,10,12,18-tetramethyl-15,19-epoxy-3H-pyrido[2,1-c][1,4] oxaazacyclotricosine-1,7,20,21-(4H,23H)
CAS:135635-46-0
Tacrolimus USP RC A
TCL21 (R)-((1S,3R,7S,8S)-8-(2-((2R,4R)-4-(tert-Butyldimethylsilyloxy)-6-oxo-tetrahydro-2H-pyran-2-yl)ethyl)-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl) 2-methylbutanoate
CAS:82978-03-8
Lovastatin Impurity 1
LVS61 |
