ALP05: Allopurinol EP Impurity E

ALP05: Allopurinol EP Impurity E

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Allopurinol EP Impurity E ;

Allopurinol USP Related Compound E ;

Ethyl 5-(formylamino)-1H-pyrazole-4-carboxylate ;

CAS # 31055-19-3 ;

C7H9N3O3 ;

MW: 183.16 ;