Allopurinol Product nameï¼?Allopurinol CAS: 315-30-0 English name 4-Hydroxypyrazolo[3,4-d]pyrimidine Chinese alias allopurinol; 4-hydroxypyrazolo[3,4-d]pyrimidine EINECS No. 206-250-9 Molecular formula C5H4N4O Molecular weight 136.11 Physical and chemical properties Melting point 350°C Water solubility 0.35 g/L (25 ° C) Loss on drying â?¤0.5% Standard; BP USP Content: 98.0-101.0% Traits: white powder Uses: anti-gout medicine, used to treat gout, gouty nephropathy, etc. Packing: 25kg / barrel