The Ethanone,1-[2-[(4,6-dichloro-2-methyl-5-pyrimidinyl)amino]-4,5-dihydro-1H-imidazol-1-yl]-, with the CAS registry number 75438-54-9, is also known as 4.6-Dichloro-2-methyl-5-(1-acetyl-2-imidazoline-2-yl)aminopyrimidine. This chemical's molecular formula is C₁₀H₁₁Cl₂N₅O and molecular weight is 288.13. What's more, its systematic name is N-(1-acetyl-4,5-dihydro-1H-imidazol-2-yl)-4,6-dichloro-2-methylpyrimidin-5-amine. 

Physical properties of Ethanone,1-[2-[(4,6-dichloro-2-methyl-5-pyrimidinyl)amino]-4,5-dihydro-1H-imidazol-1-yl]- are: (1)# of Rule of 5 Violations: 0; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 23.34; (5)ACD/KOC (pH 7.4): 23.36; (6)#H bond acceptors: 6; (7)#H bond donors: 1; (8)#Freely Rotating Bonds: 1; (9)Polar Surface Area: 70.48 Å²; (10)Index of Refraction: 1.695; (11)Molar Refractivity: 69.38 cm³; (12)Molar Volume: 180.4 cm³; (13)Polarizability: 27.5×10^-24 cm³; (14)Surface Tension: 55.4 dyne/cm; (15)Density: 1.59 g/cm³; (16)Flash Point: 192.5 °C; (17)Enthalpy of Vaporization: 64.48 kJ/mol; (18)Boiling Point: 394.7 °C at 760 mmHg; (19)Vapour Pressure: 1.93E-06 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: O=C(C)N2CC\N=C2\Nc1c(Cl)nc(C)nc1Cl
(2)InChI: InChI=1/C10H11Cl2N5O/c1-5-14-8(11)7(9(12)15-5)16-10-13-3-4-17(10)6(2)18/h3-4H2,1-2H3,(H,13,16)
(3)InChIKey: UPSZQCBUTUCGAR-UHFFFAOYAW