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4-hydroxy-5-phenyl-3(2H)-isothiazolone 1,1-dioxide

Also known as: 4-hydroxy-5-phenyl-1,2-thiazol-3(2H)-one 1,1-dioxide, 4-hydroxy-5-phenyl-1,2-thiazol-3-one 1,1-dioxide, 3(2H)-Isothiazolone, 4-hydroxy-5-phenyl-, 1,1-dioxide

4-hydroxy-5-phenyl-3(2H)-isothiazolone 1,1-dioxide (CAS 89566-24-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NO4S and a molecular weight of 225.22100 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
89566-24-5
Jingsj CID
J-1059694-8
Molecular Formula
C9H7NO4S
Molecular Weight
225.22100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass225.01000
PSA95.34000
LogP1.72950

Frequently Asked Questions

What is the CAS number of 4-hydroxy-5-phenyl-3(2H)-isothiazolone 1,1-dioxide?

The CAS number of 4-hydroxy-5-phenyl-3(2H)-isothiazolone 1,1-dioxide is 89566-24-5.

What are the molecular formula and molecular weight of 4-hydroxy-5-phenyl-3(2H)-isothiazolone 1,1-dioxide?

4-hydroxy-5-phenyl-3(2H)-isothiazolone 1,1-dioxide has molecular formula C9H7NO4S and molecular weight 225.22100 g/mol.

What are the upstream and downstream products of 4-hydroxy-5-phenyl-3(2H)-isothiazolone 1,1-dioxide?

For 4-hydroxy-5-phenyl-3(2H)-isothiazolone 1,1-dioxide, Upstream Products: Dimethyl oxalate, alpha-Toluenesulfonamide.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4-hydroxy-5-phenyl-3(2H)-isothiazolone 1,1-dioxide (CAS 89566-24-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1059694-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.