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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 24,361-24,370 of 35,292

Exemestane Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-E147-015
CAS
2467590-81-2
Formula
C20H24O2
Family
Exemestane
Synonyms
16-Methyleneandrosta-1,4-diene-3,17-dione

Exemestane Impurity 10

ImpurityLevels of characterisation
Cat. No.
P-E147-031
CAS
1361017-89-1
Formula
C27H32O5S
Family
Exemestane
Synonyms
[(8R,9S,10R,13S,14S)-10,13-Dimethyl-3,17-dioxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-6-yl]methyl 4-methylbenzenesulfonate

Exemestane Impurity 12 (6-beta Isomer)

ImpurityLevels of characterisation
Cat. No.
P-E147-033
CAS
933455-73-3
Formula
C21H28O3
Family
Exemestane
Synonyms
(6R,8R,9S,10R,13S,14S)-6-(Methoxymethyl)-10,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-dione, Exemestane Impurity 12

Exemestane Impurity 13

ImpurityLevels of characterisation
Cat. No.
P-E147-034
CAS
600178-04-9
Formula
C19H32O3
Family
Exemestane
Synonyms
(3S,5R,6R,8R,9S,10R,13S,14S,17S)-10,13-Dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,6,17-triol

Exemestane Impurity 14

ImpurityLevels of characterisation
Cat. No.
P-E147-035
CAS
14895-71-7
Formula
C19H30O3
Family
Exemestane
Synonyms
(3S,5S,6S,8R,9S,10R,13S,14S)-3,6-Dihydroxy-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-17-one

Exemestane Impurity 15

ImpurityLevels of characterisation
Cat. No.
P-E147-036
CAS
26991-58-2
Formula
C19H26O3
Family
Exemestane
Synonyms
(5R,8R,9S,10R,13S,14S)-10,13-Dimethyl-1,2,4,5,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-3,6,17-trione

Exemestane Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-E147-018
CAS
49644-02-2
Formula
C19H30O3
Family
Exemestane
Synonyms
3-Oxo-5alpha-androstan-6alpha,17beta-diol, Androstan-3-one, 6,17-dihydroxy-, (5alpha,6alpha,17beta)-

Exemestane Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-E147-020
CAS
49644-04-4
Formula
C19H32O3
Family
Exemestane
Synonyms
5alpha-Androstane-3beta,6alpha,17beta-triol, Androstane-3,6,17-triol

Exemestane Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-E147-021
CAS
152764-26-6
Formula
C20H24O3
Family
Exemestane
Synonyms
6-(Hydroxymethyl)androsta-1,4,6-triene-3,17-dione

Exemestane Impurity 5 (6-alpha Isomer)

ImpurityLevels of characterisation
Cat. No.
P-E147-022
CAS
881896-95-3
Formula
C21H28O3
Family
Exemestane
Synonyms
6alpha-(Methoxymethyl)androsta-1,4-dien-3,17-dione, Androsta-1,4-diene-3,17-dione, 6-(methoxymethyl)-, (6alpha)-

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