Diethyl 3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylate

3,4-二甲基噻吩并[2,3-b]噻吩-2,5-二羧酸二乙酯

Also known as: Thieno[2,3-b]thiophene-2,5-dicarboxylic acid, 3,4-dimethyl-, 2,5-diethyl ester, 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid diethyl ester, 2,5-diethyl 3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylate, BUTTPARK 37\11-70, Diethyl3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarb

Diethyl 3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylate (CAS 152487-69-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H16O4S2 and a molecular weight of 312.40400 g/mol. It is also known as Thieno[2,3-b]thiophene-2,5-dicarboxylic acid, 3,4-dimethyl-, 2,5-diethyl ester, 3,4-Dimethylthieno[2,3-b]thiophene-2,5-dicarboxylic acid diethyl ester and 2,5-diethyl 3,4-dimethylthieno[2,3-b]thiophene-2,5-dicarboxylate. Key properties include a melting point of 134-136ºC, a boiling point of 422.2ºC at 760mmHg, a density of 1.281g/cm3 and a flash point of 209.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

152487-69-9

Jingsj CID

J-1027441-9

Molecular Formula

C₁₄H₁₆O₄S₂

Chinese Name

3,4-二甲基噻吩并[2,3-b]噻吩-2,5-二羧酸二乙酯

Molecular Weight

312.40400 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026