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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 4,471-4,480 of 36,550

Pyrrolidine Impurity 28

ImpurityLevels of characterisation
Cat. No.
P-P1073-059
Formula
C16H25FN4O2
Synonyms
(2R,4S)-4-Fluoro-1-[2-[(2-methyl-4-oxo-4-pyrrolidin-1-ylbutan-2-yl)amino]acetyl]pyrrolidine-2-carbonitrile

Pyrrolidine Impurity 29

ImpurityLevels of characterisation
Cat. No.
P-P1073-060
Formula
C16H25ClN4O2
Synonyms
(2S,4S)-4-Chloro-1-[2-[(2-methyl-4-oxo-4-pyrrolidin-1-ylbutan-2-yl)amino]acetyl]pyrrolidine-2-carbonitrile

Pyrrolidine Impurity 8

ImpurityLevels of characterisation
Cat. No.
P-P1073-039
Formula
C6H11N3O3
Synonyms
(2S,4R)-4-Hydroxypyrrolidine-1,2-dicarboxamide

Pyrrolidine Impurity 9

ImpurityLevels of characterisation
Cat. No.
P-P1073-040
Formula
C13H22N2O6
Synonyms
tert-Butyl (2S,4R)-2-carbamoyl-4-ethoxycarbonyloxypyrrolidine-1-carboxylate

Ribavirin Impurity 15

ImpurityLevels of characterisation
Cat. No.
P-R048-048
Formula
C15H20N4O9
Family
Ribavirin
Synonyms
Methyl 3-[[(3R,4R,5R)-3,4-diacetyloxy-5-(acetyloxymethyl)oxolan-2-yl]amino]-1H-1,2,4-triazole-5-carboxylate

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