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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 29,221-29,230 of 36,550

Dihydroberberine

ImpurityLevels of characterisation
Cat. No.
P-B055-019
CAS
483-15-8
Formula
C20H19NO4
Family
Berberine
Synonyms
Dihydroumbellatine, Dihydroberbine

4,6-Dimethoxy-2-pyrimidinyl Urea

ImpurityLevels of characterisation
Cat. No.
P-U011-017
CAS
151331-81-6
Formula
C7H10N4O3
Family
Urea
Synonyms
Urea, N-(4,6-dimethoxy-2-pyrimidinyl)-, N-(4,6-dimethoxy-2-pyrimidinyl)Urea

Doripenem Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-D174-011
CAS
491878-07-0
Formula
C30H34N6O12S2
Family
Doripenem
Synonyms
(4-Nitrophenyl)methyl (4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-3-[(3S,5S)-1-[(4-nitrophenyl)methoxycarbonyl]-5-[(sulfamoylamino)methyl]pyrrolidin-3-yl]sulfanyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate, Doripenem di(p-nitrobenzyl) ester

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