SPL Set ID: cdc3f33b-ff2b-4a84-a820-51a497fdf3d9

Allopurinol is a xanthine oxidase inhibitor. It has the following structural formula: Allopurinol is known chemically as 1, 5-dihydro-4 H -pyrazolo [3, 4- d ]pyrimidin-4-one and it has a molecular weight of 136.11 g/mol. Its solubility in water at 37°C is 80.0 mg/dL and is greater in an alkaline solution. It is a xanthine oxidase inhibitor which is administered orally. Each scored white to off-white tablet contains either 100 mg or 300 mg allopurinol and the inactive ingredients croscarmellose sodium, colloidal silicon dioxide, and magnesium stearate. image description