3-Chloro-1H-pyrazole-4-sulfinicacid

3-氯-1H-吡唑-4-亚磺酸

3-Chloro-1H-pyrazole-4-sulfinicacid (CAS 2138420-45-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H3ClN2O2S and a molecular weight of 166.59 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2138420-45-6
Jingsj CID: J-276206-3
Molecular Formula: C₃H₃ClN₂O₂S
Chinese Name: 3-氯-1H-吡唑-4-亚磺酸
Molecular Weight: 166.59 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 3-Chloro-1H-pyrazole-4-sulfinicacid?

The CAS number of 3-Chloro-1H-pyrazole-4-sulfinicacid is 2138420-45-6.

What are the molecular formula and molecular weight of 3-Chloro-1H-pyrazole-4-sulfinicacid?

3-Chloro-1H-pyrazole-4-sulfinicacid has molecular formula C3H3ClN2O2S and molecular weight 166.59 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. "3-Chloro-1H-pyrazole-4-sulfinicacid (CAS 2138420-45-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-276206-3 (accessed 2026-10-24).

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