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Pharmaceutical analytical standards

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

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Results 28,341-28,350 of 36,550

Dydrogesterone Impurity 12

ImpurityLevels of characterisation
Cat. No.
P-D200-026
CAS
19592-55-3
Formula
C25H36O4
Family
Dydrogesterone
Synonyms
(9S,10R,13S,14R,17S)-10,13-Dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane], 3,20-Bis(ethylenedioxy)pregna-5,7-diene

Dydrogesterone Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-D200-013
CAS
99958-08-4
Formula
C25H36O4
Family
Dydrogesterone
Synonyms
6Z-9,10-seco-3,20-Bis-(ethylenedioxy)-pregna-5(10)-6,8-triene

Dydrogesterone Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-D200-017
CAS
74496-89-2
Formula
C25H37BrO4
Family
Dydrogesterone
Synonyms
(7S,8S,9S,10R,13S,14S,17S)-7-Bromo-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]

Dydrogesterone Impurity 5

ImpurityLevels of characterisation
Cat. No.
P-D200-018
CAS
74496-90-5
Formula
C25H37BrO4
Family
Dydrogesterone
Synonyms
(7R,8S,9S,10R,13S,14S,17S)-7-Bromo-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]

Dydrogesterone Impurity 6

ImpurityLevels of characterisation
Cat. No.
P-D200-019
CAS
32164-74-2
Formula
C25H36O4
Family
Dydrogesterone
Synonyms
(9S,10S,13S,14R,17S)-10,13-Dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]

Dydrogesterone Impurity 9

ImpurityLevels of characterisation
Cat. No.
P-D200-023
CAS
74332-34-6
Formula
C25H36O6
Family
Dydrogesterone
Synonyms
(8S,9S,10R,13S,14S,17R)-17-Hydroxy-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,7,8,9,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-11-one

Dydrogesterone Impurity A

ImpurityLevels of characterisation
Cat. No.
P-D200-014
CAS
23035-53-2
Formula
C21H26O2
Family
Dydrogesterone
Synonyms
9beta,10alpha-Pregna-4,6,8(14)-triene-3,20-dione, Dydrogesterone impurity a (ep impurity)

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