5-(Methylsulfonyl)-1,3-benzoxazol-2(3H)-one

5-(甲基磺酰基)-1,3-苯并噁唑-2(3H)-酮

Also known as: 5-(Methylsulfonyl)benzo[d]oxazol-2(3H)-one, 5-(Methylsulfonyl)benzoxazol-2(3H)-one, 5-(methylsulfonyl)-2(3H)-Benzoxazolone, 5-Methanesulfonyl-3H-benzooxazol-2-one, 5-Methylsulfonyl-3H-1,3-benzoxazol-2-one, 5-mesylbenzoxazol-2(3H)-one, 2(3H)-Benzoxazolone, 5-(methylsulfonyl)-, 2-Benzoxazolinone,5-methylsulfonyl, EINECS 237-688-9

5-(Methylsulfonyl)-1,3-benzoxazol-2(3H)-one (CAS 13920-98-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H7NO4S and a molecular weight of 213.210 g/mol. It is also known as 5-(Methylsulfonyl)benzo[d]oxazol-2(3H)-one, 5-(Methylsulfonyl)benzoxazol-2(3H)-one and 5-(methylsulfonyl)-2(3H)-Benzoxazolone. Key properties include a melting point of 223-224 °C and a density of 1.5±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13920-98-4
Jingsj CID
J-987636-9
Molecular Formula
C8H7NO4S
Chinese Name
5-(甲基磺酰基)-1,3-苯并噁唑-2(3H)-酮
Molecular Weight
213.210 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point223-224 °C
Density1.5±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of 5-(Methylsulfonyl)-1,3-benzoxazol-2(3H)-one?

The CAS number of 5-(Methylsulfonyl)-1,3-benzoxazol-2(3H)-one is 13920-98-4.

What are the molecular formula and molecular weight of 5-(Methylsulfonyl)-1,3-benzoxazol-2(3H)-one?

5-(Methylsulfonyl)-1,3-benzoxazol-2(3H)-one has molecular formula C8H7NO4S and molecular weight 213.210 g/mol.

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

Last updated:

How to cite: Jingsj. "5-(Methylsulfonyl)-1,3-benzoxazol-2(3H)-one (CAS 13920-98-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-987636-9 (accessed 2026-10-26).

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