trans-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene

反-1,2-二氰基-1,2-双(2,4,5-三甲基-3-噻吩基)乙烯

Also known as: (E)-2,3-bis(2,4,5-trimethylthiophen-3-yl)but-2-enedinitrile, 1,2-Bis(2,4,5-trimethyl-3-thienyl)-trans-1,2-dicyanoethene, B1537, trans-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene

trans-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene (CAS 112440-50-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H18N2S2 and a molecular weight of 326.47900 g/mol. It is also known as (E)-2,3-bis(2,4,5-trimethylthiophen-3-yl)but-2-enedinitrile, 1,2-Bis(2,4,5-trimethyl-3-thienyl)-trans-1,2-dicyanoethene and B1537. Key property: a melting point of 167ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 112440-50-3
Jingsj CID: J-1157459-2
Molecular Formula: C₁₈H₁₈N₂S₂
Chinese Name: 反-1,2-二氰基-1,2-双(2,4,5-三甲基-3-噻吩基)乙烯
Molecular Weight: 326.47900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	167ºC

Frequently Asked Questions

What is the CAS number of trans-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene?

The CAS number of trans-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene is 112440-50-3.

What are the molecular formula and molecular weight of trans-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene?

trans-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene has molecular formula C18H18N2S2 and molecular weight 326.47900 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "trans-1,2-Dicyano-1,2-bis(2,4,5-trimethyl-3-thienyl)ethene (CAS 112440-50-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1157459-2 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.