The CAS register number of Benzenemethanesulfonylchloride, 4-chloro- is 6966-45-6. It also can be called as 4-Chlorobenzylsulfonyl chloride and the systematic name about this chemical is (4-chlorophenyl)methanesulfonyl chloride. The molecular formula about this chemical is C₇H₆Cl₂O₂S and the molecular weight is 225.09. It belongs to the following product categories which include Phenyls & Phenyl-Het; Sulphonyl Chlorides; Benzenesulfonyl chloride; Sulphonyl Chlorides; Phenyls & Phenyl-Het and so on.
 
Physical properties about Benzenemethanesulfonylchloride, 4-chloro- are: (1)ACD/LogP: 2.61; (2)#H bond acceptors: 2; (3)#Freely Rotating Bonds: 2; (4)Polar Surface Area: 42.52Ų; (5)Index of Refraction: 1.578; (6)Molar Refractivity: 49.85 cm³; (7)Molar Volume: 150.1 cm³; (8)Polarizability: 19.76x10^-24cm³; (9)Surface Tension: 51.2 dyne/cm; (10)Flash Point: 148 °C; (11)Enthalpy of Vaporization: 54.05 kJ/mol; (12)Boiling Point: 321.2 °C at 760 mmHg; (13)Vapour Pressure: 0.000569 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical is harmful if swallowed, it can cause burns. When you are using it, wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice and in case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)

You can still convert the following datas into molecular structure:
(1)SMILES: Clc1ccc(cc1)CS(Cl)(=O)=O
(2)InChI: InChI=1/C7H6Cl2O2S/c8-7-3-1-6(2-4-7)5-12(9,10)11/h1-4H,5H2
(3)InChIKey: DBJRPJSDYFDWPV-UHFFFAOYAW
(4)Std. InChI: InChI=1S/C7H6Cl2O2S/c8-7-3-1-6(2-4-7)5-12(9,10)11/h1-4H,5H2
(5)Std. InChIKey: DBJRPJSDYFDWPV-UHFFFAOYSA-N