The CAS register number of 4(3H)-Pyrimidinone,5-fluoro-2-methyl- is 1480-91-7. It also can be called as 5-Fluoro-2-methylpyrimidin-4(3H)-one and the systematic name about this chemical is 5-fluoro-2-methyl-pyrimidin-4-ol. The molecular formula about this chemical is C₅H₅FN₂O and the molecular weight is 128.1044. It belongs to the Pyrimidine.

Physical properties about 4(3H)-Pyrimidinone,5-fluoro-2-methyl- are: (1)ACD/LogP: 0.44; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 14.065; (5)ACD/KOC (pH 7.4): 8.863; (6)#H bond acceptors: 3; (7)#H bond donors: 1; (8)Polar Surface Area: 46.01Ų; (9)Index of Refraction: 1.527; (10)Molar Refractivity: 29.136 cm³; (11)Molar Volume: 94.796 cm³; (12)Polarizability: 11.55x10^-24cm³; (13)Surface Tension: 52.65 dyne/cm; (14)Enthalpy of Vaporization: 44.51 kJ/mol; (15)Boiling Point: 191.39 °C at 760 mmHg; (16)Vapour Pressure: 0.371 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: Cc1ncc(c(n1)O)F
(2)InChI: InChI=1/C5H5FN2O/c1-3-7-2-4(6)5(9)8-3/h2H,1H3,(H,7,8,9)
(3)InChIKey: DMTSFVIMARJLRP-UHFFFAOYAI
(4)Std. InChI: InChI=1S/C5H5FN2O/c1-3-7-2-4(6)5(9)8-3/h2H,1H3,(H,7,8,9)
(5)Std. InChIKey: DMTSFVIMARJLRP-UHFFFAOYSA-N