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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 4,811-4,820 of 36,550

Methylprednisolone Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-M098-033
Formula
C28H34O11
Family
Methylprednisolone
Synonyms
3-[2-[(6S,8S,9S,10R,11S,13S,14S,17R)-17-(2-Carboxyacetyl)oxy-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]-3-oxopropanoic acid

Methylprednisolone Impurity 21

ImpurityLevels of characterisation
Cat. No.
P-M098-052
Formula
C22H28O5
Family
Methylprednisolone
Synonyms
(8S,9S,10R,11S,13S,14S,17R)-11,17-Dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6-methylidene-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one

Methylprednisolone Impurity 26

ImpurityLevels of characterisation
Cat. No.
P-M098-058
Formula
C22H28O4
Family
Methylprednisolone
Synonyms
(6S,8S,9S,10R,11S,13S,14S)-11-Hydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthren-3-one

Methylprednisolone Impurity 27

ImpurityLevels of characterisation
Cat. No.
P-M098-059
Formula
C22H30O5
Family
Methylprednisolone
Synonyms
(8S,9S,10R,11S,13S,14S,17R)-17-(1,2-Dihydroxyethyl)-11,17-dihydroxy-6,10,13-trimethyl-9,11,12,14,15,16-hexahydro-8H-cyclopenta[a]phenanthren-3-one

Methylprednisolone Impurity 28

ImpurityLevels of characterisation
Cat. No.
P-M098-060
Formula
C22H28O5
Family
Methylprednisolone
Synonyms
(8S,9S,10R,13S,14S,17R)-17-(1,2-Dihydroxyethyl)-17-hydroxy-6,10,13-trimethyl-8,9,12,14,15,16-hexahydrocyclopenta[a]phenanthrene-3,11-dione

Methylprednisolone Impurity 29

ImpurityLevels of characterisation
Cat. No.
P-M098-061
Formula
C22H28O5
Family
Methylprednisolone
Synonyms
(8S,9S,10R,11S,13S,14S,17R)-11,17-Dihydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-9,11,12,14,15,16-hexahydro-8H-cyclopenta[a]phenanthren-3-one

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