4-(Trifluoromethyl)-2,3-dihydrothiophene 1,1-dioxide

4-三氟甲基-2,3-二氢噻吩-1,1-二氧化物

4-(Trifluoromethyl)-2,3-dihydrothiophene 1,1-dioxide (CAS 71654-37-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5F3O2S and a molecular weight of 186.15 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 71654-37-0
Jingsj CID: J-304582-2
Molecular Formula: C₅H₅F₃O₂S
Chinese Name: 4-三氟甲基-2,3-二氢噻吩-1,1-二氧化物
Molecular Weight: 186.15 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-(Trifluoromethyl)-2,3-dihydrothiophene 1,1-dioxide?

The CAS number of 4-(Trifluoromethyl)-2,3-dihydrothiophene 1,1-dioxide is 71654-37-0.

What are the molecular formula and molecular weight of 4-(Trifluoromethyl)-2,3-dihydrothiophene 1,1-dioxide?

4-(Trifluoromethyl)-2,3-dihydrothiophene 1,1-dioxide has molecular formula C5H5F3O2S and molecular weight 186.15 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-(Trifluoromethyl)-2,3-dihydrothiophene 1,1-dioxide (CAS 71654-37-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-304582-2 (accessed 2026-10-23).

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