methyl 3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate

3,4-二甲基噻吩并[2,3-b]噻吩-2-羧酸甲酯

Also known as: 3,4-dimethyl-5-thieno[2,3-b]thiophenecarboxylic acid methyl ester, BUTTPARK 92\04-82, HMS554J18, RARECHEM AL BF 0290, Thieno[2,3-b]thiophene-2-carboxylic acid, 3,4-dimethyl-, methyl ester

methyl 3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate (CAS 175202-66-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H10O2S2 and a molecular weight of 226.31500 g/mol. It is also known as 3,4-dimethyl-5-thieno[2,3-b]thiophenecarboxylic acid methyl ester, BUTTPARK 92\04-82 and HMS554J18. Key properties include a melting point of 136ºC, a boiling point of 338.8ºC at 760mmHg, a density of 1.308g/cm3 and a flash point of 158.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

175202-66-1

Jingsj CID

J-1524320-7

Molecular Formula

C₁₀H₁₀O₂S₂

Chinese Name

3,4-二甲基噻吩并[2,3-b]噻吩-2-羧酸甲酯

Molecular Weight

226.31500 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026