2,3-Bis(2,4,5-trimethyl-3-thienyl)maleimide

2,3-双(2,4,5-三甲基-3-噻吩基)马来酰亚胺

Also known as: 3,4-bis(2,4,5-trimethylthiophen-3-yl)pyrrole-2,5-dione, 3,4-bis(2,4,5-trimethyl-3-thienyl)-3-pyrroline-2,5-dione, 3,4-bis(2,4,5-trimethylthiophen-3-yl)-1H-pyrrole-2,5-dione, B1535

2,3-Bis(2,4,5-trimethyl-3-thienyl)maleimide (CAS 220191-36-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H19NO2S2 and a molecular weight of 345.47900 g/mol. It is also known as 3,4-bis(2,4,5-trimethylthiophen-3-yl)pyrrole-2,5-dione, 3,4-bis(2,4,5-trimethyl-3-thienyl)-3-pyrroline-2,5-dione and 3,4-bis(2,4,5-trimethylthiophen-3-yl)-1H-pyrrole-2,5-dione. Key properties include a melting point of 178.0-182.0°C, a boiling point of 528.321ºC at 760 mmHg, a density of 1.27g/cm3 and a flash point of 273.319ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

220191-36-6

Jingsj CID

J-1083040-6

Molecular Formula

C₁₈H₁₉NO₂S₂

Chinese Name

2,3-双(2,4,5-三甲基-3-噻吩基)马来酰亚胺

Molecular Weight

345.47900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026