The 2-Thiophenesulfonylchloride, 4-bromo-, with the CAS registry number 185329-76-4, has the systematic name of 4-bromothiophene-2-sulfonyl chloride. And the molecular formula of this chemical is C₄H₂BrClO₂S₂. It is a kind of organics, and should be stored in the dry and cool environment.

The physical properties of 2-Thiophenesulfonylchloride, 4-bromo- are as following: (1)ACD/LogP: 1.84; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3; (4)ACD/LogD (pH 7.4): 3; (5)ACD/BCF (pH 5.5): 73; (6)ACD/BCF (pH 7.4): 73; (7)ACD/KOC (pH 5.5): 754; (8)ACD/KOC (pH 7.4): 754; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 70.76 Å²; (13)Index of Refraction: 1.62; (14)Molar Refractivity: 46.263 cm³; (15)Molar Volume: 131.753 cm³; (16)Polarizability: 18.34×10^-24cm³; (17)Surface Tension: 54.583 dyne/cm; (18)Density: 1.985 g/cm³; (19)Flash Point: 148.636 °C; (20)Enthalpy of Vaporization: 54.155 kJ/mol; (21)Boiling Point: 322.157 °C at 760 mmHg; (22)Vapour Pressure: 0.001 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=S(=O)(Cl)c1cc(Br)cs1
(2)InChI: InChI=1/C4H2BrClO2S2/c5-3-1-4(9-2-3)10(6,7)8/h1-2H
(3)InChIKey: IMVRMHNCGCAEES-UHFFFAOYAX