英文名称
3-(Formylamino)-1H-pyrazole-4-carboxamide
Smiles Code
NC(=O)c1c[nH]nc1NC=O
Standards; Pharmaceutical/API Drug Impurities/Metabolites;
3-(Formylamino)-1H-pyrazole-4-carboxamide (Allopurinol EP Impurity B) is an impurity of Allopurinol (A547300) with inhibitory effects on human hypoxanthine phosphoribosyltransferase.