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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 3,551-3,560 of 5,812

Bacitracin EP Impurity K

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-B001-040
CAS
144572-52-1
Formula
C64H94N16O17S
Family
Bacitracin
Synonyms
Bacitracin F, 1-(N-((2-(2-methyl-1-oxobutyl)-4-thiazolyl)carbonyl)-L-leucine)-3-L-valine-6-L-valine-, (S)-, Bacitracin I3

Carbidopa EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-C037-003
CAS
18181-08-3
Formula
C11H15NO4
Family
Carbidopa
Synonyms
alpha-methyl-melevodopa, methyl (2S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate

Carbidopa EP Impurity B Hydrochloride

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-C037-002
CAS
115054-62-1
Formula
C11H15NO4·HCl
Family
Carbidopa
Synonyms
Methyldopa Methyl Ester Hydrochloride, L-a-Methyl DOPA Methyl Ester Hydrochloride

Carbidopa EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-C037-004
CAS
84488-77-7
Formula
C11H16N2O4
Family
Carbidopa
Synonyms
Benzenepropanoic acid, alpha-hydrazino-4-hydroxy-3-methoxy-alpha-methyl-, (s)-, Benzenepropanoic acid, alpha-hydrazino-4-hydroxy-3-methoxy-alpha-methyl-, (alphas)-

Carbidopa EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-C037-006
CAS
934371-48-9
Formula
C17H24N2O4
Family
Carbidopa
Synonyms
alpha-(2-Cyclohexylidenehydrazinyl)-carbidopa methyl, Methyl (2S)-2-(2-cyclohexylidenehydrazino)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate

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