Allopurinol impurity B

Synonym: 3-(Formylamino)-1H-pyrazole-4-carboxamide, 5-(Formylamino)-1H-pyrazole-4-carboxamide
Molecular Formula: C5H6N4O2
Molecular Weight: 154.13
CAS Number: 22407-20-1
Packing size: 50 MG  
Packing size: 10 MG  
Packing size: 25 MG