98%min own factory professional research team laboratory ISO 9001 and 14001 Cas: 15726-38-2Molecular formula: C4H3BrN2O2Relative molecular mass: 190.9828InChI: InChI=1/C4H3BrN2O2/c5-2-3(8)6-1-7-4(2)9/h1H,(H2,6,7,8,9)Density: 2.25g/cm3Boiling point: 290.9°C at 760 mmHgFlash point: 129.7°CVapor pressure: 0.00116mmHg at 25°C 5-bromo-4,6-dihydroxypyrimidine