Allopurinol
CAS: 315-30-0
Category: Uric acid derivative
| Purity | USP Grade ≥98%, 100 mg Tablets, 300 mg Tablets |
| Molecular Formula | C5H4N4O |
| Molecular Weight | 136.11 |
| Appearance | White to off-white crystalline powder |
| Packaging | Customizable |
| Testing Indicators | Appearance — Visual inspection; Identification — IR, UV; Purity — HPLC; Related substances — TLC; Loss on drying — Gravimetry; Heavy metals — ICP-MS; Residue on ignition — Muffle furnace; Microbial limits — Plating; Hydrazine — Colorimetry. |
| Storage Notes | Store in a well‑ventilated place; keep container tightly closed; keep away from heat and direct sunlight. |
| Lead Time | 10 days |
Xanthine oxidase inhibitor API (gout treatment) — raw material for pharmaceutical formulation.