The 2-Thiophenesulfonylchloride, 5-(2-methyl-4-thiazolyl)-, with the CAS registry number of 215434-25-6, is also known as 5-(2-Methylthiazol-4-yl)thiophene-2-sulfonyl chloride. This chemical's molecular formula is C₈H₆ClNO₂S₃ and molecular weight is 279.79. What's more, its IUPAC name is 5-(2-Methyl-1, 3-thiazol-4-yl)thiophene-2-sulfonyl chloride. 

Physical properties about 2-Thiophenesulfonylchloride, 5-(2-methyl-4-thiazolyl)- are: (1)ACD/LogP: 2.83; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.83; (4)ACD/LogD (pH 7.4): 2.83; (5)ACD/BCF (pH 5.5): 83.39; (6)ACD/BCF (pH 7.4): 83.73; (7)ACD/KOC (pH 5.5): 824.61; (8)ACD/KOC (pH 7.4): 827.91; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 111.89 Å²; (13)Index of Refraction: 1.627; (14)Molar Refractivity: 63.81 cm³; (15)Molar Volume: 179.8 cm³; (16)Polarizability: 25.29×10^-24 cm³; (17)Surface Tension: 58.7 dyne/cm; (18)Density: 1.555 g/cm³; (19)Flash Point: 216.2 °C; (20)Enthalpy of Vaporization: 66.32 kJ/mol; (21)Boiling Point: 433.9 °C at 760 mmHg; (22)Vapour Pressure: 2.52E-07 mmHg at 25 °C.

When you are using this chemical, please be cautious about it as the following:
As this chemical is corrosive, it may cause burns and destroy living tissue on contact. During 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.

You can still convert the following data into molecular structure:
(1) SMILES: ClS(=O)(=O)c2sc(c1nc(sc1)C)cc2
(2) InChI: InChI=1/C8H6ClNO2S3/c1-5-10-6(4-13-5)7-2-3-8(14-7)15(9,11)12/h2-4H,1H3
(3) InChIKey: YIKNRCVJBOLZFL-UHFFFAOYAW