0 Allopurinol EP impurity B CAS 22407-20-1 In Impurities, Pharmaceutical Chemicals, Products Name Allopurinol EP impurity BMolecular Formula C5H6N4O2.1/2H2SO4Molecular Weight 203CAS Number (Or Caming Number for Non-CAS Products) 22407-20-1Use Impurity of API AllopurinolLinks This product is exclusively sold through our sales company Watson International Limited (https://www.watson-int.com/).
