The Thieno[2,3-b]thiophene-2-carboxylicacid, 3-chloro-, with the CAS registry number 39244-08-1, is also known as 3-Chloro-thieno[2,3-b]thiophene-2-carboxylic acid. This chemical's molecular formula is C₇H₃ClO₂S₂ and molecular weight is 218.68. What's more, its systematic name is 3-chlorothieno[2,3-b]thiophene-2-carboxylic acid.

Physical properties of Thieno[2,3-b]thiophene-2-carboxylicacid, 3-chloro- are: (1)ACD/LogP: 5.03; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 2.03; (4)ACD/LogD (pH 7.4): 1.81; (5)ACD/BCF (pH 5.5): 4.1; (6)ACD/BCF (pH 7.4): 2.46; (7)ACD/KOC (pH 5.5): 14.09; (8)ACD/KOC (pH 7.4): 8.46; (9)#H bond acceptors: 2; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 82.78 Å²; (13)Index of Refraction: 1.768; (14)Molar Refractivity: 52.68 cm³; (15)Molar Volume: 126.9 cm³; (16)Polarizability: 20.88×10^-24 cm³; (17)Surface Tension: 76.3 dyne/cm; (18)Density: 1.722 g/cm³; (19)Flash Point: 199.7 °C; (20)Enthalpy of Vaporization: 69.42 kJ/mol; (21)Boiling Point: 406.6 °C at 760 mmHg; (22)Vapour Pressure: 2.44E-07 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: Clc1c2ccsc2sc1C(=O)O
(2)InChI: InChI=1/C7H3ClO2S2/c8-4-3-1-2-11-7(3)12-5(4)6(9)10/h1-2H,(H,9,10)
(3)InChIKey: GCQFYYGUNYJMNY-UHFFFAOYAD