The CAS registry number of Imidazo[1,2-a]pyrimidin-5(1H)-one is 55662-68-5. This chemical's molecular formula is C₆H₅N₃O and molecular weight is 135.00. What's more, its systematic name is the same with its product name.

Physical properties about Imidazo[1,2-a]pyrimidin-5(1H)-one are: (1)ACD/LogP: -0.496; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.50; (4)ACD/LogD (pH 7.4): -0.50; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 12.79; (8)ACD/KOC (pH 7.4): 12.80; (9)#H bond acceptors: 4; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 44.7 Å²; (13)Index of Refraction: 1.738; (14)Molar Refractivity: 36.01 cm³; (15)Molar Volume: 89.418 cm³; (16)Polarizability: 14.276×10^-24cm³; (17)Surface Tension: 66.89 dyne/cm; (18)Density: 1.511 g/cm³; (19)Flash Point: 105.816 °C; (20)Enthalpy of Vaporization: 48.866 kJ/mol; (21)Boiling Point: 251.355 °C at 760 mmHg; (22)Vapour Pressure: 0.021 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C1\C=C/N=C2/N\C=C/N12
(2) InChI: InChI=1S/C6H5N3O/c10-5-1-2-7-6-8-3-4-9(5)6/h1-4H,(H,7,8)
(3) InChIKey: UUHMFGQYTIQQIS-UHFFFAOYSA-N