Methanone, (3-ethyl-5-methyl-4-isoxazolyl)[4-(2-methylphenyl)-1-piperazinyl]-

(3-乙基-5-甲基-4-异噁唑基)[4-(2-甲基苯基)-1-哌嗪基]-甲酮

Also known as: (3-ethyl-5-methyl-1,2-oxazol-4-yl)-[4-(2-methylphenyl)piperazin-1-yl]methanone

Methanone, (3-ethyl-5-methyl-4-isoxazolyl)[4-(2-methylphenyl)-1-piperazinyl]- (CAS 959243-57-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C18H23N3O2 and a molecular weight of 313.39400 g/mol. It is also known as (3-ethyl-5-methyl-1,2-oxazol-4-yl)-[4-(2-methylphenyl)piperazin-1-yl]methanone. Key properties include a boiling point of 520.678ºC at 760 mmHg, a density of 1.156g/cm3 and a flash point of 268.697ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 959243-57-3
Jingsj CID: J-855632-9
Molecular Formula: C₁₈H₂₃N₃O₂
Chinese Name: (3-乙基-5-甲基-4-异噁唑基)[4-(2-甲基苯基)-1-哌嗪基]-甲酮
Molecular Weight: 313.39400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	520.678ºC at 760 mmHg
Density	1.156g/cm3
Flash Point	268.697ºC

Frequently Asked Questions

What is the CAS number of Methanone, (3-ethyl-5-methyl-4-isoxazolyl)[4-(2-methylphenyl)-1-piperazinyl]-?

The CAS number of Methanone, (3-ethyl-5-methyl-4-isoxazolyl)[4-(2-methylphenyl)-1-piperazinyl]- is 959243-57-3.

What are the molecular formula and molecular weight of Methanone, (3-ethyl-5-methyl-4-isoxazolyl)[4-(2-methylphenyl)-1-piperazinyl]-?

Methanone, (3-ethyl-5-methyl-4-isoxazolyl)[4-(2-methylphenyl)-1-piperazinyl]- has molecular formula C18H23N3O2 and molecular weight 313.39400 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. "Methanone, (3-ethyl-5-methyl-4-isoxazolyl)[4-(2-methylphenyl)-1-piperazinyl]- (CAS 959243-57-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-855632-9 (accessed 2026-10-24).

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