The Benzene,1,2-dichloro-4,5-dimethoxy-, with the CAS registry number 2772-46-5, is also known as 4,5-Dichloroveratrole. This chemical's molecular formula is C₈H₈Cl₂O₂ and molecular weight is 207.05. What's more, its IUPAC name is 1,2-dichloro-4,5-dimethoxybenzene. When you are using this chemical, please be cautious about it. It may cause inflammation to the skin or other mucous membranes. 

Physical properties of Benzene,1,2-dichloro-4,5-dimethoxy- are: (1)ACD/LogP: 3.67; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.67; (4)ACD/LogD (pH 7.4): 3.67; (5)ACD/BCF (pH 5.5): 360.32; (6)ACD/BCF (pH 7.4): 360.32; (7)ACD/KOC (pH 5.5): 2353.33; (8)ACD/KOC (pH 7.4): 2353.33; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 18.46 Å²; (13)Index of Refraction: 1.524; (14)Molar Refractivity: 49.39 cm³; (15)Molar Volume: 161.3 cm³; (16)Polarizability: 19.58×10^-24cm³; (17)Surface Tension: 34.9 dyne/cm; (18)Density: 1.283 g/cm³; (19)Flash Point: 98.8 °C; (20)Enthalpy of Vaporization: 47.46 kJ/mol; (21)Boiling Point: 257.1 °C at 760 mmHg; (22)Vapour Pressure: 0.0239 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: Clc1cc(OC)c(OC)cc1Cl
(2)Std. InChI: InChI=1S/C8H8Cl2O2/c1-11-7-3-5(9)6(10)4-8(7)12-2/h3-4H,1-2H3
(3)Std. InChIKey: RJYXLZQZBLGBOM-UHFFFAOYSA-N