5-Chloro-3-(chloromethyl)-1-methyl-1H-pyrazole-4-sulfonyl chloride

5-氯-3-(氯甲基)-1-甲基-1H-吡唑-4-磺酰氯

5-Chloro-3-(chloromethyl)-1-methyl-1H-pyrazole-4-sulfonyl chloride (CAS 2219419-21-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5Cl3N2O2S and a molecular weight of 263.5 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2219419-21-1
Jingsj CID: J-308874-0
Molecular Formula: C₅H₅Cl₃N₂O₂S
Chinese Name: 5-氯-3-(氯甲基)-1-甲基-1H-吡唑-4-磺酰氯
Molecular Weight: 263.5 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-Chloro-3-(chloromethyl)-1-methyl-1H-pyrazole-4-sulfonyl chloride?

The CAS number of 5-Chloro-3-(chloromethyl)-1-methyl-1H-pyrazole-4-sulfonyl chloride is 2219419-21-1.

What are the molecular formula and molecular weight of 5-Chloro-3-(chloromethyl)-1-methyl-1H-pyrazole-4-sulfonyl chloride?

5-Chloro-3-(chloromethyl)-1-methyl-1H-pyrazole-4-sulfonyl chloride has molecular formula C5H5Cl3N2O2S and molecular weight 263.5 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-Chloro-3-(chloromethyl)-1-methyl-1H-pyrazole-4-sulfonyl chloride (CAS 2219419-21-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-308874-0 (accessed 2026-10-24).

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