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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 4,481-4,490 of 36,550

Ribavirin Impurity 16

ImpurityLevels of characterisation
Cat. No.
P-R048-049
Formula
C14H18N4O9
Family
Ribavirin
Synonyms
3-[[(3R,4R,5R)-3,4-Diacetyloxy-5-(acetyloxymethyl)oxolan-2-yl]amino]-1H-1,2,4-triazole-5-carboxylic acid

Ribavirin Impurity 17

ImpurityLevels of characterisation
Cat. No.
P-R048-050
Formula
C15H19N3O9
Family
Ribavirin
Synonyms
Methyl 1-[(2S,3S,4S,5R)-3,4-diacetyloxy-5-(acetyloxymethyl)oxolan-2-yl]-1,2,4-triazole-3-carboxylate

Ribavirin Impurity 19

ImpurityLevels of characterisation
Cat. No.
P-R048-052
Formula
C9H11N5O4
Family
Ribavirin
Synonyms
N-(2-Acetamido-5-formamido-6-oxo-1H-pyrimidin-4-yl)acetamide

Ribavirin Impurity 20

ImpurityLevels of characterisation
Cat. No.
P-R048-053
Formula
C7H9N5O3
Family
Ribavirin
Synonyms
N-(4-Amino-5-formamido-6-oxo-1H-pyrimidin-2-yl)acetamide

Ribavirin Impurity 21

ImpurityLevels of characterisation
Cat. No.
P-R048-054
Formula
C4H4N4O3
Family
Ribavirin
Synonyms
Methyl 1-nitroso-1,2,4-triazole-3-carboxylate

Ribavirin Impurity 22

ImpurityLevels of characterisation
Cat. No.
P-R048-055
Formula
C8H9N7O4
Family
Ribavirin
Synonyms
Methyl 3-[(5-methoxycarbonyl-1H-1,2,4-triazol-3-yl)amino]-1H-1,2,4-triazole-5-carboxylate

Ribavirin Impurity 23

ImpurityLevels of characterisation
Cat. No.
P-R048-056
Formula
C8H9N9O4
Family
Ribavirin
Synonyms
Methyl 3-[2-[(5-methoxycarbonyl-1H-1,2,4-triazol-3-yl)imino]hydrazinyl]-1H-1,2,4-triazole-5-carboxylate

Ribavirin Impurity 26

ImpurityLevels of characterisation
Cat. No.
P-R048-059
Formula
C7H7N7O3
Family
Ribavirin
Synonyms
Methyl 3-(1H-1,2,4-triazole-5-carbonylamino)-1H-1,2,4-triazole-5-carboxylate

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