The Thieno[2,3-b]thiophene-2-carbonylchloride, 3-chloro- has the CAS registry number 39244-06-9. This chemical's molecular formula is C₇H₂Cl₂OS₂ and molecular weight is 237.13. What's more, its systematic name is 3-chlorothieno[2,3-b]thiophene-2-carbonyl chloride.

Physical properties of Thieno[2,3-b]thiophene-2-carbonylchloride, 3-chloro- are: (1)ACD/LogP: 5.38; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 5.38; (4)ACD/LogD (pH 7.4): 5.38; (5)ACD/BCF (pH 5.5): 7164.95; (6)ACD/BCF (pH 7.4): 7164.95; (7)ACD/KOC (pH 5.5): 20005.65; (8)ACD/KOC (pH 7.4): 20005.65; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 73.55 Å²; (13)Index of Refraction: 1.726; (14)Molar Refractivity: 56 cm³; (15)Molar Volume: 140.8 cm³; (16)Polarizability: 22.2×10^-24 cm³; (17)Surface Tension: 63.1 dyne/cm; (18)Density: 1.683 g/cm³; (19)Flash Point: 164.1 °C; (20)Enthalpy of Vaporization: 59.21 kJ/mol; (21)Boiling Point: 347.8 °C at 760 mmHg; (22)Vapour Pressure: 5.26E-05 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: ClC(=O)c1sc2sccc2c1Cl
(2)InChI: InChI=1/C7H2Cl2OS2/c8-4-3-1-2-11-7(3)12-5(4)6(9)10/h1-2H
(3)InChIKey: WCRIUIXSFXQLJK-UHFFFAOYAX