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Alias: allopurinol; 4-hydroxypyrazozo [3,4-d] pyrimidine; alo; 4-hydroxypyrazozo pyrimidine

EINECS：206-250-9

Molecular formula：C₅H₄N₄O

Molecular weight：136.1115
 

Physical and chemical properties: Melting point： 350°C  Water solubility 0.35 g/L (25°C) 

Use: anti gout medicine, used to treat gout, gouty nephropathy, etc

Structural formula：