2-(5-chlorothiophen-2-yl)ethene-1-sulfonyl chloride

2-(5-氯-噻吩-2-基)-乙烯磺酰氯

Also known as: 2-(5-chloro-thiophen-2-yl)-ethenesulfonyl chloride, 2-(5-chlorothiophen-2-yl)ethenesulfonyl chloride, 2-(5-chlorothiophen-2-yl)ethene-sulfonyl chloride

2-(5-chlorothiophen-2-yl)ethene-1-sulfonyl chloride (CAS 445280-98-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4Cl2O2S2 and a molecular weight of 243.13100 g/mol. It is also known as 2-(5-chloro-thiophen-2-yl)-ethenesulfonyl chloride, 2-(5-chlorothiophen-2-yl)ethenesulfonyl chloride and 2-(5-chlorothiophen-2-yl)ethene-sulfonyl chloride. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 445280-98-8
Jingsj CID: J-1522860-4
Molecular Formula: C₆H₄Cl₂O₂S₂
Chinese Name: 2-(5-氯-噻吩-2-基)-乙烯磺酰氯
Molecular Weight: 243.13100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-(5-chlorothiophen-2-yl)ethene-1-sulfonyl chloride?

The CAS number of 2-(5-chlorothiophen-2-yl)ethene-1-sulfonyl chloride is 445280-98-8.

What are the molecular formula and molecular weight of 2-(5-chlorothiophen-2-yl)ethene-1-sulfonyl chloride?

2-(5-chlorothiophen-2-yl)ethene-1-sulfonyl chloride has molecular formula C6H4Cl2O2S2 and molecular weight 243.13100 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. "2-(5-chlorothiophen-2-yl)ethene-1-sulfonyl chloride (CAS 445280-98-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1522860-4 (accessed 2026-10-24).

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