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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 26,031-26,040 of 35,292

17-alpha-Ethynylestriol

ImpurityLevels of characterisation
Cat. No.
P-E102-023
CAS
4717-40-2
Formula
C20H24O3
Family
Estriol
Synonyms
Ethinylestriol, Estriol, 17-ethynyl-

Favipiravir Carboxylic Acid

ImpurityLevels of characterisation
Cat. No.
P-F009-015
CAS
1079990-21-8
Formula
C5H3FN2O3
Family
Favipiravir
Synonyms
6-Fluoro-3-hydroxypyrazine-2-carboxylic acid, 5-fluoro-2-oxo-1H-pyrazine-3-carboxylic acid

Favipiravir Chloro Homolog Impurity

ImpurityLevels of characterisation
Cat. No.
P-F009-017
CAS
259793-90-3
Formula
C5H4ClN3O2
Family
Favipiravir
Synonyms
6-Chloro-3-oxo-3,4-dihydropyrazine-2-carboxamide, 5-chloro-2-oxo-1H-pyrazine-3-carboxamide

Favipiravir Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-F009-009
CAS
2460733-77-9
Formula
C6H7N3O3
Family
Favipiravir
Synonyms
3-Hydroxy-6-methoxypyrazine-2-carboxamide, 5-methoxy-2-oxo-1H-pyrazine-3-carboxamide

Favipiravir Impurity 15

ImpurityLevels of characterisation
Cat. No.
P-F009-033
CAS
356783-14-7
Formula
C6H4Cl2N2O2
Family
Favipiravir
Synonyms
Methyl 3,6-dichloropyrazine-2-carboxylate

Favipiravir Impurity 16

ImpurityLevels of characterisation
Cat. No.
P-F009-034
CAS
1506611-77-3
Formula
C6H6BrN3O2
Family
Favipiravir
Synonyms
Methyl 3-amino-5-bromopyrazine-2-carboxylate

Favipiravir Impurity 17

ImpurityLevels of characterisation
Cat. No.
P-F009-035
CAS
6966-01-4
Formula
C6H6BrN3O2
Family
Favipiravir
Synonyms
Methyl 3-Amino-6-bromopyrazine-2-carboxylate, Pyrazinecarboxylic acid, 3-amino-6-bromo-, methyl ester

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