3-Chlorothieno[2,3-b]thiophene-2-carboxylic acid

3-氯噻吩并[2,3-b]噻吩-2-羧酸

Also known as: 3-Chlorothieno[2,3-b]thiophene-2-carboxylic acid, 4-Chlorothieno[2,3-b]thiophene-5-carboxylic acid, Thieno[2,3-b]thiophene-2-carboxylic acid, 3-chloro-, IFLAB-BB F2124-0611, F2124-0611, HMS1728C12

3-Chlorothieno[2,3-b]thiophene-2-carboxylic acid (CAS 39244-08-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H3ClO2S2 and a molecular weight of 218.68100 g/mol. It is also known as 4-Chlorothieno[2,3-b]thiophene-5-carboxylic acid, Thieno[2,3-b]thiophene-2-carboxylic acid, 3-chloro- and IFLAB-BB F2124-0611. Key properties include a melting point of 251.5ºC, a boiling point of 406.6ºC at 760mmHg, a density of 1.722g/cm3 and a flash point of 199.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

39244-08-1

Jingsj CID

J-1447221-1

Molecular Formula

C₇H₃ClO₂S₂

Chinese Name

3-氯噻吩并[2,3-b]噻吩-2-羧酸

Molecular Weight

218.68100 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026