6-[(2-Hydroxyethyl)sulfonyl]benzoxazol-2(3H)-one

6-(2-羟乙基砜基)苯并恶唑酮

Also known as: 6-((2-Hydroxyethyl)sulfonyl)benzo[d]oxazol-2(3H)-one, 6-(2-Hydroxyethanesulfonyl)-2,3-dihydro-1,3-benzoxazol-2-one, 6-(2-Hydroxyethylsulfonyl)-3H-1,3-benzoxazol-2-one, 6-[(2-Hydroxyethyl)sulphonyl]benzoxazol-2(3H)-one, 2-Benzoxazolinone, 6-[(2-hydroxyethyl)sulfonyl]-, 6-β-Hydroxyethylsulfonyl-2-benzoxazolone

6-[(2-Hydroxyethyl)sulfonyl]benzoxazol-2(3H)-one (CAS 5031-74-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H9NO5S and a molecular weight of 243.23600 g/mol. It is also known as 6-((2-Hydroxyethyl)sulfonyl)benzo[d]oxazol-2(3H)-one, 6-(2-Hydroxyethanesulfonyl)-2,3-dihydro-1,3-benzoxazol-2-one and 6-(2-Hydroxyethylsulfonyl)-3H-1,3-benzoxazol-2-one. Key properties include a melting point of 207-211ºC and a density of 1.54 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5031-74-3
Jingsj CID
J-21214-0
Molecular Formula
C9H9NO5S
Chinese Name
6-(2-羟乙基砜基)苯并恶唑酮
Molecular Weight
243.23600 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point207-211ºC
Density1.54 g/cm3

Frequently Asked Questions

What is the CAS number of 6-[(2-Hydroxyethyl)sulfonyl]benzoxazol-2(3H)-one?

The CAS number of 6-[(2-Hydroxyethyl)sulfonyl]benzoxazol-2(3H)-one is 5031-74-3.

What are the molecular formula and molecular weight of 6-[(2-Hydroxyethyl)sulfonyl]benzoxazol-2(3H)-one?

6-[(2-Hydroxyethyl)sulfonyl]benzoxazol-2(3H)-one has molecular formula C9H9NO5S and molecular weight 243.23600 g/mol.

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

Last updated:

How to cite: Jingsj. "6-[(2-Hydroxyethyl)sulfonyl]benzoxazol-2(3H)-one (CAS 5031-74-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21214-0 (accessed 2026-10-24).

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