5-fluoro-1-methyl-1H-pyrazole-4-sulfonyl chloride

5-氟-1-甲基-1H-吡唑-4-磺酰氯

Also known as: 5-fluoro-1-methylpyrazole-4-sulfonyl chloride, 5-fluoro-1-methyl-1H-pyrazole-4-sulphonyl chloride, 1-methyl-5-fluoro-1H-pyrazole-4-sulfonyl chloride

5-fluoro-1-methyl-1H-pyrazole-4-sulfonyl chloride (CAS 1889401-88-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4ClFN2O2S and a molecular weight of 198.60 g/mol. It is also known as 5-fluoro-1-methylpyrazole-4-sulfonyl chloride, 5-fluoro-1-methyl-1H-pyrazole-4-sulphonyl chloride and 1-methyl-5-fluoro-1H-pyrazole-4-sulfonyl chloride. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1889401-88-0
Jingsj CID: J-1759959-5
Molecular Formula: C₄H₄ClFN₂O₂S
Chinese Name: 5-氟-1-甲基-1H-吡唑-4-磺酰氯
Molecular Weight: 198.60 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of 5-fluoro-1-methyl-1H-pyrazole-4-sulfonyl chloride?

The CAS number of 5-fluoro-1-methyl-1H-pyrazole-4-sulfonyl chloride is 1889401-88-0.

What are the molecular formula and molecular weight of 5-fluoro-1-methyl-1H-pyrazole-4-sulfonyl chloride?

5-fluoro-1-methyl-1H-pyrazole-4-sulfonyl chloride has molecular formula C4H4ClFN2O2S and molecular weight 198.60 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. "5-fluoro-1-methyl-1H-pyrazole-4-sulfonyl chloride (CAS 1889401-88-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1759959-5 (accessed 2026-10-25).

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