The CAS registry number of Benzenesulfonylchloride, 4-(2-phenyldiazenyl)- is 58359-53-8. This chemical is also named as 4-(Phenylazo)benzenesulfonyl chloride. In addition, its molecular formula is C₁₂H₉ClN₂O₂S and molecular weight is 280.73. Its systematic name and IUPAC name are the same which is called  4-phenyldiazenylbenzenesulfonyl chloride.

Physical properties about this chemical are: (1)ACD/LogP: 4.05; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 4.05; (4)ACD/LogD (pH 7.4): 4.05; (5)ACD/BCF (pH 5.5): 705.87; (6)ACD/BCF (pH 7.4): 705.87; (7)ACD/KOC (pH 5.5): 3808.17; (8)ACD/KOC (pH 7.4): 3808.17; (9)#H bond acceptors: 4; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 3; (12)Index of Refraction: 1.622; (13)Molar Refractivity: 73.21 cm³; (14)Molar Volume: 207.8 cm³; (15)Surface Tension: 51.7 dyne/cm; (16)Density: 1.35 g/cm³; (17)Flash Point: 207.2 °C; (18)Enthalpy of Vaporization: 64.65 kJ/mol; (19)Boiling Point: 418.9 °C at 760 mmHg.

You can still convert the following datas into molecular structure:
(1)SMILES: c1ccc(cc1)N=Nc2ccc(cc2)S(=O)(=O)Cl
(2)InChI: InChI=1/C12H9ClN2O2S/c13-18(16,17)12-8-6-11(7-9-12)15-14-10-4-2-1-3-5-10/h1-9H
(3)InChIKey: UEAZPVORQYDKHZ-UHFFFAOYAI