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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 26,481-26,490 of 35,292

3-Bromo Pirfenidone

ImpurityLevels of characterisation
Cat. No.
P-P134-017
CAS
912570-13-9
Formula
C12H10BrNO
Family
Pirfenidone
Synonyms
1-(3-bromophenyl)-5-methylpyridin-2(1H)-one, 1-(3-bromophenyl)-5-methylpyridin-2-one

4-Bromo Pirfenidone

ImpurityLevels of characterisation
Cat. No.
P-P134-020
CAS
377756-15-5
Formula
C12H10BrNO
Family
Pirfenidone
Synonyms
1-(4-Bromophenyl)-5-Methyl-2(1H)-Pyridinone, 1-(4-bromophenyl)-5-methylpyridin-2-one

5-Carboxy-pirfenidone

ImpurityLevels of characterisation
Cat. No.
P-P134-021
CAS
77837-08-2
Formula
C12H9NO3
Family
Pirfenidone
Synonyms
5-Carboxy-N-Phenyl-2-1H-Pyridone, 6-Oxo-1-phenyl-1,6-dihydropyridine-3-carboxylic acid

L-Cefalexin

ImpurityLevels of characterisation
Cat. No.
P-C068-031
CAS
34632-04-7
Formula
C16H17N3O4S
Family
Cefalexin
Synonyms
L-Cephalexin, Cefalexin Impurity 9

Cefalexin Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-C068-011
CAS
65870-51-1
Formula
C11H11N3O2
Family
Cefalexin
Synonyms
3-(aminomethylene)-6-phenylpiperazine-2,5-dione, 3-(Aminomethylidene)-6-phenylpiperazine-2,5-dione

Cefalexin Impurity 5

ImpurityLevels of characterisation
Cat. No.
P-C068-020
CAS
1323247-65-9
Formula
C16H19N3O5S
Family
Cefalexin
Synonyms
2-[1-Amino-2-[[carboxy(phenyl)methyl]amino]-2-oxoethyl]-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

Cefalexin Impurity 7

ImpurityLevels of characterisation
Cat. No.
P-C068-022
CAS
59865-11-1
Formula
C16H17N3O4S
Family
Cefalexin
Synonyms
2-(3,6-Dioxo-5-phenylpiperazin-2-yl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid, Cephalexin Diketopiperazine

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