Allopurinol

Chemical Name：Hydroxypyrazolodpyrimidine;pyrazolo(3,4-d)pyrimidin-1-ol;4-Hydroxypyrazolo(3,4-d)-pyrimidine;1H-Pyrazolo[3,4-d]pyrimidin-4-ol;ACO;1,2-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one;

EINECS NO：206-250-9

Molecular formula：C₅H₄N₄O

Molecular weight：136.1115

Density：1.702g/cm³

Melting Point：350℃

Boiling Point：423.27°C at 760 mmHg

Flash Point：209.787°C

Water Solubility：0.35 g/L (25℃)