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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 50,631-50,640 of 59,523

Levocabastine Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-L045-018
CAS
577036-07-8
Formula
C13H12FNO
Family
Levocabastine
Synonyms
1-(3-Fluorophenyl)-4-oxocyclohexanecarbonitrile, 1-(3-fluorophenyl)-4-oxocyclohexane-1-carbonitrile

Levocabastine Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-L045-020
CAS
2357209-42-6
Formula
C20H23NO2
Family
Levocabastine
Synonyms
Benzyl (3S,4R)-3-methyl-4-phenylpiperidine-4-carboxylate

4-Methylbenzonitrile

ImpurityLevels of characterisation
Cat. No.
P-L038-016
CAS
104-85-8
Formula
C8H7N
Family
Letrozole
Synonyms
p-Tolunitrile, p-Cyanotoluene

Methyldopa EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-M093-003
CAS
6739-31-7
Formula
C11H15NO4
Family
Methyldopa
Synonyms
3-Methoxy-alpha-methyl-L-tyrosine, Alpha,3-O-dimethyl-L-dopa

Methyldopa EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-M093-005
CAS
39948-18-0
Formula
C12H17NO4
Family
Methyldopa
Synonyms
3-Methoxy-O,alpha-dimethyl-L-tyrosine, l-tyrosine, 3-methoxy-o,alpha-dimethyl-

rac-Methyldopa EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-M093-010
CAS
10128-06-0
Formula
C12H17NO4
Family
Methyldopa
Synonyms
2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic acid, L -Dopa antagonist

Methyldopa EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-M093-008
CAS
2799-15-7
Formula
C10H13NO4
Family
Methyldopa
Synonyms
Methyldopa, D-, D-alpha-Methyl DOPA

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