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5-[1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]thiophene-2-sulfonyl chloride

5-[1-甲基-3-(三氟甲基)-1H-吡唑-5-基]噻吩-2-磺酰氯

Also known as: 5-[1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]thiophene-2-sulphonyl chloride, 5-[1-Methyl-3-(trifluoromethyl)pyrazol-5-yl]thiophene-2-sulfonyl chloride, 5-[1-Methyl-3-(trifluoromethyl)pyrazole-5-yl]thiophene-2-sulfonyl chloride, 5-[2-methyl-5-(trifluoromethyl)pyrazol-3-yl]thiophene-2-sulfonyl chloride, 5-[1-methyl-3-(trifluoromethyl)-5-pyrazolyl]-2-thiophenesulfonyl chloride, 2-thiophenesulfonyl chloride, 5-[1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]-

5-[1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]thiophene-2-sulfonyl chloride (CAS 230295-11-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6ClF3N2O2S2 and a molecular weight of 330.73400 g/mol. It is also known as 5-[1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]thiophene-2-sulphonyl chloride, 5-[1-Methyl-3-(trifluoromethyl)pyrazol-5-yl]thiophene-2-sulfonyl chloride and 5-[1-Methyl-3-(trifluoromethyl)pyrazole-5-yl]thiophene-2-sulfonyl chloride. Key properties include a melting point of 68ºC, a boiling point of 237ºC at 760mmHg, a density of 1.76g/cm3 and a flash point of 97.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
230295-11-1
Jingsj CID
J-1329144-4
Molecular Formula
C9H6ClF3N2O2S2
Chinese Name
5-[1-甲基-3-(三氟甲基)-1H-吡唑-5-基]噻吩-2-磺酰氯
Molecular Weight
330.73400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point68ºC
Boiling Point237ºC at 760mmHg
Density1.76g/cm3
Flash Point97.1ºC

Frequently Asked Questions

What is the CAS number of 5-[1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]thiophene-2-sulfonyl chloride?

The CAS number of 5-[1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]thiophene-2-sulfonyl chloride is 230295-11-1.

What are the molecular formula and molecular weight of 5-[1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]thiophene-2-sulfonyl chloride?

5-[1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]thiophene-2-sulfonyl chloride has molecular formula C9H6ClF3N2O2S2 and molecular weight 330.73400 g/mol.

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

Last updated:

How to cite: Jingsj. "5-[1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]thiophene-2-sulfonyl chloride (CAS 230295-11-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1329144-4 (accessed 2026-10-25).

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