Category:
Chiral Intermediates
CAS NO:
/
Standard:
In-house Standards,
/
Allopurinol (CAS 98-80-4, C5H4N4O) is a xanthine oxidase inhibitor synthesized via condensation of pyrazolo[3,4-d]pyrimidine derivatives. It serves as the primary industrial active pharmaceutical ingredient for managing hyperuricemia.
Strictly contraindicated in patients with severe hepatic impairment without dose adjustment. Store in cool, dry conditions below 25°C to prevent degradation. Requires medical supervision due to potential hypersensitivity reactions.