The cas register number of 4-Chloro-2-fluoro-5-methoxybenzaldehyde is 177034-24-1. It also can be called as Benzaldehyde,4-chloro-2-fluoro-5-methoxy- and the Systematic name about this chemical is 4-chloro-2-fluoro-5-methoxybenzaldehyde. 

Physical properties about 4-Chloro-2-fluoro-5-methoxybenzaldehyde are: (1)ACD/LogP: 1.95; (2)ACD/LogD (pH 5.5): 1.95; (3)ACD/LogD (pH 7.4): 1.95; (4)ACD/BCF (pH 5.5): 17.73; (5)ACD/BCF (pH 7.4): 17.73; (6)ACD/KOC (pH 5.5): 272.58; (7)ACD/KOC (pH 7.4): 272.58; (8)#H bond acceptors: 2; (9)#Freely Rotating Bonds: 2; (10)Polar Surface Area: 26.3Ų; (11)Index of Refraction: 1.543; (12)Molar Refractivity: 44.57 cm³; (13)Molar Volume: 141.2 cm³; (14)Polarizability: 17.67x10^-24cm³; (15)Surface Tension: 38.5 dyne/cm; (16)Enthalpy of Vaporization: 51.14 kJ/mol; (17)Vapour Pressure: 0.00584 mmHg at 25°C .

You can still convert the following datas into molecular structure:
(1)SMILES: COc1cc(C=O)c(F)cc1Cl
(2)InChI: InChI=1/C8H6ClFO2/c1-12-8-2-5(4-11)7(10)3-6(8)9/h2-4H,1H3
(3)InChIKey: XWPDQEBSWPVPKG-UHFFFAOYAO
(4)Std. InChI: InChI=1S/C8H6ClFO2/c1-12-8-2-5(4-11)7(10)3-6(8)9/h2-4H,1H3
(5)Std. InChIKey: XWPDQEBSWPVPKG-UHFFFAOYSA-N