Compound Name: Allopurinol EP Impurity B

Synonyms: 3-(Formylamino)-1H-pyrazole-4-carboxamide 5-(Formylamino) -1H-pyrazole-4-carboxamide; 5-Formamido-1H-pyrazole-4-carboxamide;

CAS Number: 22407-20-1

Molecular Formula: C5H6N4O2

Molecular Weight: 154.13

Cat. Number: ALL5002