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Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

APIs from A to Z →

Results 4,821-4,830 of 36,550

Methylprednisolone Impurity 30

ImpurityLevels of characterisation
Cat. No.
P-M098-062
Formula
C44H58O10
Family
Methylprednisolone
Synonyms
1,4-Bis[(6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-yl]-2,3-dihydroxybutane-1,4-dione

Methylprednisolone Impurity 31

ImpurityLevels of characterisation
Cat. No.
P-M098-063
Formula
C44H58O9
Family
Methylprednisolone
Synonyms
(6S,8S,9S,10R,11S,13S,14S,17R)-17-[2-[2-[(6S,8S,9S,10R,11S,13S,14S,17R)-11,17-Dihydroxy-6,10,13-trimethyl-3-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-yl]-2-oxoethoxy]acetyl]-11,17-dihydroxy-6,10,13-trimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-one

Methylprednisolone Impurity 34

ImpurityLevels of characterisation
Cat. No.
P-M098-066
Formula
C30H38O11
Family
Methylprednisolone
Synonyms
4-[2-[(6S,8S,9S,10R,11S,13S,14S,17R)-17-(3-Carboxypropanoyloxy)-11-hydroxy-6,10,13-trimethyl-3-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-yl]-2-oxoethoxy]-4-oxobutanoic acid

Methylprednisolone Impurity 8

ImpurityLevels of characterisation
Cat. No.
P-M098-039
Formula
C24H32O6
Family
Methylprednisolone
Synonyms
(6S,8S,9S,10R,11S,13S,14S,17R)-11-Hydroxy-6,10,13-trimethyl-3-oxo-17-propanoyloxy-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17-carboxylic acid

Methylprednisolone Impurity 9

ImpurityLevels of characterisation
Cat. No.
P-M098-040
Formula
C27H38O7
Family
Methylprednisolone
Synonyms
[(6S,8S,9S,10R,11S,13S,14S,17R)-17-(2-Acetyloxy-1-hydroxyethyl)-11-hydroxy-6,10,13-trimethyl-3-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-yl] propanoate

Darunavir Impurity 10

ImpurityLevels of characterisation
Cat. No.
P-D022-034
Formula
C27H35N3O9S
Family
Darunavir
Synonyms
[(3aS,4R,6aR)-2,3,3a,4,5,6a-Hexahydrofuro[2,3-b]furan-4-yl] N-[(2S,3R)-3-hydroxy-4-[2-methylpropyl-(4-nitrophenyl)sulfonylamino]-1-phenylbutan-2-yl]carbamate

Darunavir Impurity 11

ImpurityLevels of characterisation
Cat. No.
P-D022-035
Formula
C27H36ClN3O6S
Family
Darunavir
Synonyms
[(3aS,4R,6aR)-2,3,3a,4,5,6a-Hexahydrofuro[2,3-b]furan-4-yl] N-[(2S,3R)-4-[(4-aminophenyl)sulfonyl-(2-methylpropyl)amino]-3-chloro-1-phenylbutan-2-yl]carbamate

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