The CAS registry number of 2,2':5',2''-Terthiophene,5-bromo-3'-decyl- is 477335-02-7. This chemical's molecular formula is C₂₂H₂₇BrS₃ and molecular weight is 467.55. Its systematic name is called 5-bromo-3'-decyl-2,2':5',2''-terthiophene. This chemical that may cause inflammation to the skin or other mucous membranes.

Physical properties of this chemical are: (1)ACD/LogP: 11.56; (2)# of Rule of 5 Violations: 1; (3)#H bond acceptors: 0; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 11; (6)Index of Refraction: 1.591; (7)Molar Refractivity: 124.89 cm³; (8)Molar Volume: 369.4 cm³; (9)Surface Tension: 43.4 dyne/cm; (10)Density: 1.265 g/cm³; (11)Flash Point: 261 °C; (12)Enthalpy of Vaporization: 74.88 kJ/mol; (13)Boiling Point: 508 °C at 760 mmHg.

Preparation: 2,2':5',2''-Terthiophene,5-bromo-3'-decyl- can be prepared by 1-(5-bromo-thiophen-2-yl)-2-decyl-4-thiophen-2-yl-butane-1,4-dione. This reaction will need reagents hexamethyldisilathiane, BCl₃ and solvents toluene, hexane. The reaction time is 1 hour with reaction temperature of 20 °C. The yield is about 51 %.

You can still convert the following datas into molecular structure:
(1)SMILES: Brc3sc(c2sc(c1sccc1)cc2CCCCCCCCCC)cc3
(2)InChI: InChI=1/C22H27BrS3/c1-2-3-4-5-6-7-8-9-11-17-16-20(18-12-10-15-24-18)26-22(17)19-13-14-21(23)25-19/h10,12-16H,2-9,11H2,1H3
(3)InChIKey: LHZNRGNRMWICSY-UHFFFAOYAE