The CAS register number of 1,1'-Biphenyl,2,2',3,3',4,4',5,6'-octachloro- is 42740-50-1. It also can be called as 2,2',3,3',4,4',5,6'-Octachlorobiphenyl and the IUPAC name about this chemical is 1,2,3,4-tetrachloro-5-(2,3,4,6-tetrachlorophenyl)benzene. The molecular formula about this chemical is C₁₂H₂Cl₈ and the molecular weight is 429.77.

Physical properties about 1,1'-Biphenyl,2,2',3,3',4,4',5,6'-octachloro- are: (1)ACD/LogP: 7.54; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.54; (4)ACD/LogD (pH 7.4): 7.54; (5)ACD/BCF (pH 5.5): 316244.44; (6)ACD/BCF (pH 7.4): 316244.44; (7)ACD/KOC (pH 5.5): 300947.22; (8)ACD/KOC (pH 7.4): 300947.22; (9)#Freely Rotating Bonds: 1; (10)Index of Refraction: 1.638; (11)Molar Refractivity: 90 cm³; (12)Molar Volume: 250.3 cm³; (13)Polarizability: 35.68x10^-24cm³; (14)Surface Tension: 50.5 dyne/cm; (15)Density: 1.716 g/cm³; (16)Flash Point: 215.4 °C; (17)Enthalpy of Vaporization: 66.41 kJ/mol; (18)Boiling Point: 434.6 °C at 760 mmHg; (19)Vapour Pressure: 2.37E-07 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1)SMILES: Clc1c(cc(Cl)c(Cl)c1Cl)c2c(Cl)cc(Cl)c(Cl)c2Cl
(2)Std. InChI: InChI=1S/C12H2Cl8/c13-4-2-6(15)9(17)11(19)7(4)3-1-5(14)10(18)12(20)8(3)16/h1-2H
(3)Std. InChIKey: BQFCCUSDZLKBJG-UHFFFAOYSA-N