1-[3-(4-Chlorophenyl)-5-isoxazolyl]-1-ethanone

1-[3-(4-氯苯基)-5-异噁唑]-1-乙酮

Also known as: 1-(3-(4-chlorophenyl)isoxazol-5-yl)ethanone, 1-[3-(4-chlorophenyl)-1,2-oxazol-5-yl]ethanone, 5-ACETYL-3-(4-CHLOROPHENYL)-ISOXAZOLE, BUTTPARK 82\12-93, Ethanone, 1-[3-(4-chlorophenyl)-5-isoxazolyl]-, 1-(3-(4-Chlorophenyl)isoxazol-5-yl)ethan-1-one

1-[3-(4-Chlorophenyl)-5-isoxazolyl]-1-ethanone (CAS 37091-33-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H8ClNO2 and a molecular weight of 221.64000 g/mol. It is also known as 1-(3-(4-chlorophenyl)isoxazol-5-yl)ethanone, 1-[3-(4-chlorophenyl)-1,2-oxazol-5-yl]ethanone and 5-ACETYL-3-(4-CHLOROPHENYL)-ISOXAZOLE. Key properties include a melting point of 148-149ºC, a boiling point of 399.1ºC at 760mmHg, a density of 1.272g/cm3 and a flash point of 195.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
37091-33-1
Jingsj CID
J-1332867-0
Molecular Formula
C11H8ClNO2
Chinese Name
1-[3-(4-氯苯基)-5-异噁唑]-1-乙酮
Molecular Weight
221.64000 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point148-149ºC
Boiling Point399.1ºC at 760mmHg
Density1.272g/cm3
Flash Point195.1ºC

Frequently Asked Questions

What is the CAS number of 1-[3-(4-Chlorophenyl)-5-isoxazolyl]-1-ethanone?

The CAS number of 1-[3-(4-Chlorophenyl)-5-isoxazolyl]-1-ethanone is 37091-33-1.

What are the molecular formula and molecular weight of 1-[3-(4-Chlorophenyl)-5-isoxazolyl]-1-ethanone?

1-[3-(4-Chlorophenyl)-5-isoxazolyl]-1-ethanone has molecular formula C11H8ClNO2 and molecular weight 221.64000 g/mol.

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

Last updated:

How to cite: Jingsj. "1-[3-(4-Chlorophenyl)-5-isoxazolyl]-1-ethanone (CAS 37091-33-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1332867-0 (accessed 2026-10-22).

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