Ethyl 4-(Chlorosulfonyl)-5-methylthiophene-2-carboxylate

4-(氯磺酰基)-5-甲基噻吩-2-甲酸乙酯

Ethyl 4-(Chlorosulfonyl)-5-methylthiophene-2-carboxylate (CAS 1185853-40-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9ClO4S2 and a molecular weight of 268.7 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1185853-40-0
Jingsj CID: J-1402906-2
Molecular Formula: C₈H₉ClO₄S₂
Chinese Name: 4-(氯磺酰基)-5-甲基噻吩-2-甲酸乙酯
Molecular Weight: 268.7 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Ethyl 4-(Chlorosulfonyl)-5-methylthiophene-2-carboxylate?

The CAS number of Ethyl 4-(Chlorosulfonyl)-5-methylthiophene-2-carboxylate is 1185853-40-0.

What are the molecular formula and molecular weight of Ethyl 4-(Chlorosulfonyl)-5-methylthiophene-2-carboxylate?

Ethyl 4-(Chlorosulfonyl)-5-methylthiophene-2-carboxylate has molecular formula C8H9ClO4S2 and molecular weight 268.7 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. "Ethyl 4-(Chlorosulfonyl)-5-methylthiophene-2-carboxylate (CAS 1185853-40-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1402906-2 (accessed 2026-10-23).

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