5-Chloro-3-hydroxyisothiazole

5-氯-3-羟基异噻唑

Also known as: 5-Chloroisothiazol-3-ol, 5-Chloro-3(2H)-isothiazolone, 5-Chloro-1,2-thiazol-3(2H)-one, 5-Chloro-4-isothiazolin-3-one, 5-chloro-isothiazol-3-one

5-Chloro-3-hydroxyisothiazole (CAS 25629-58-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3H2ClNOS and a molecular weight of 135.57200 g/mol. It is also known as 5-Chloroisothiazol-3-ol, 5-Chloro-3(2H)-isothiazolone and 5-Chloro-1,2-thiazol-3(2H)-one. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 25629-58-7
Jingsj CID: J-1377701-6
Molecular Formula: C₃H₂ClNOS
Chinese Name: 5-氯-3-羟基异噻唑
Molecular Weight: 135.57200 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-hydroxyisothiazole?

The CAS number of 5-Chloro-3-hydroxyisothiazole is 25629-58-7.

What are the molecular formula and molecular weight of 5-Chloro-3-hydroxyisothiazole?

5-Chloro-3-hydroxyisothiazole has molecular formula C3H2ClNOS and molecular weight 135.57200 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-hydroxyisothiazole (CAS 25629-58-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1377701-6 (accessed 2026-10-22).

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