Allopurinol
Allopurinol 别嘌醇

Synonyms 4-Hydroxypyrazolo[3,4-d]pyrimidine; 1H-Pyrazolo[3,4-d]pyrimidin-4-ol; HPP

Molecular Formula C5H4N4O

Molecular Weight 136.11

CAS Registry Number 315-30-0

EINECS 206-250-9

Melting point 350 ºC

Water solubility 0.35 g/L (25 ºC)

Hazard Symbols T

Risk Codes R25;R36/37/38;R43

Safety Description S24;S26;S36/37/39;S45

An isomer of hypoxanthine. It is a potent xanthine oxidase inhibitor.

Identification