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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 13,361-13,370 of 59,523

Doxepin EP Impurity C Maleate

ImpurityLevels of characterisation
Cat. No.
P-D181-017
Formula
C18H19NO·C4H4O4
Family
Doxepin
Synonyms
(E)-3-(Dibenzo[b,e]oxepin-11(6H)-ylidene)-N-methylpropan-1-amine Maleate, Desmethyldoxepin Maleate

Doxepin Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-D181-023
Formula
C19H23NO
Family
Doxepin
Synonyms
3-(6,11-Dihydrobenzo[c][1]benzoxepin-11-yl)-N,N-dimethylpropan-1-amine

(E)-Doxepin-d6

Isotopically labelledLevels of characterisation
Cat. No.
P-D181-008
Formula
C19H15D6NO
Family
Doxepin

(Z)-Doxepin-d6

Isotopically labelledLevels of characterisation
Cat. No.
P-D181-009
Formula
C19H15D6NO
Family
Doxepin

Dydrogesterone Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-D200-016
Formula
C25H36O4
Family
Dydrogesterone
Synonyms
(7Z)-7-[(2E)-2-[(1S,3aS,7aS)-7a-Methyl-1-(2-methyl-1,3-dioxolan-2-yl)-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-8-methylidene-1,4-dioxaspiro[4.5]decane

Dydrogesterone Impurity 8

ImpurityLevels of characterisation
Cat. No.
P-D200-022
Formula
C21H30O2
Family
Dydrogesterone
Synonyms
(8R,9S,10S,13S,14S,17S)-17-[(1S)-1-Hydroxyethyl]-10,13-dimethyl-1,2,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one

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