4,4-Bis(3-methylthiophen-2-yl)but-3-enoyl chloride

4,4-双(3-甲基噻吩-2-基)丁-3-烯酰氯

Also known as: 3-Butenoyl chloride, 4,4-bis(3-methyl-2-thienyl)-, 4,4-bis(3-methyl-2-thienyl)-3-Butenoyl chloride

4,4-Bis(3-methylthiophen-2-yl)but-3-enoyl chloride (CAS 1417220-56-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H13ClOS2 and a molecular weight of 296.8 g/mol. It is also known as 3-Butenoyl chloride, 4,4-bis(3-methyl-2-thienyl)- and 4,4-bis(3-methyl-2-thienyl)-3-Butenoyl chloride. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1417220-56-4
Jingsj CID: J-1954301-3
Molecular Formula: C₁₄H₁₃ClOS₂
Chinese Name: 4,4-双(3-甲基噻吩-2-基)丁-3-烯酰氯
Molecular Weight: 296.8 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4,4-Bis(3-methylthiophen-2-yl)but-3-enoyl chloride?

The CAS number of 4,4-Bis(3-methylthiophen-2-yl)but-3-enoyl chloride is 1417220-56-4.

What are the molecular formula and molecular weight of 4,4-Bis(3-methylthiophen-2-yl)but-3-enoyl chloride?

4,4-Bis(3-methylthiophen-2-yl)but-3-enoyl chloride has molecular formula C14H13ClOS2 and molecular weight 296.8 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. "4,4-Bis(3-methylthiophen-2-yl)but-3-enoyl chloride (CAS 1417220-56-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1954301-3 (accessed 2026-10-25).

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