4,5-dichloro-1,2-thiazol-3-one

4,5-二氯-3-羟基异噻唑

Also known as: 3(2H)-Isothiazolone,4,5-dichloro, 4,5-Dichlor-3-hydroxyisothiazol, 4,5-Dichloro-3(2H)-isothiazolone, 4,5-dichloro-3-hydroxyisothiazole, 4,5-dichloro-isothiazol-3-one, Isothiazol-3(2H)-one,4,5-dichloro

4,5-dichloro-1,2-thiazol-3-one (CAS 25658-72-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C3HCl2NOS and a molecular weight of 170.01700 g/mol. It is also known as 3(2H)-Isothiazolone,4,5-dichloro, 4,5-Dichlor-3-hydroxyisothiazol and 4,5-Dichloro-3(2H)-isothiazolone. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 25658-72-4
Jingsj CID: J-1440294-4
Molecular Formula: C₃HCl₂NOS
Chinese Name: 4,5-二氯-3-羟基异噻唑
Molecular Weight: 170.01700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4,5-dichloro-1,2-thiazol-3-one?

The CAS number of 4,5-dichloro-1,2-thiazol-3-one is 25658-72-4.

What are the molecular formula and molecular weight of 4,5-dichloro-1,2-thiazol-3-one?

4,5-dichloro-1,2-thiazol-3-one has molecular formula C3HCl2NOS and molecular weight 170.01700 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. "4,5-dichloro-1,2-thiazol-3-one (CAS 25658-72-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1440294-4 (accessed 2026-10-24).

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