1-(5-Methyl-4-isoxazolyl)-1-ethanone

Also known as: 1-(5-Methylisoxazol-4-yl)ethanone, 1-(5-Methylisoxazol-4-yl)ethan-1-one, 1-(5-methyl-1,2-oxazol-4-yl)ethanone, 1-(5-methyl-1,2-oxazol-4-yl)ethan-1-one, 1-(5-methyl-4-isoxazolyl)ethanone, 4-Acetyl-5-methylisoxazole, 4-Acetyl-5-methylisoxazol, methylisoxazolylethanone, Ethanone, 1-(5-methyl-4-isoxazolyl)-, AKOS BC-0829

1-(5-Methyl-4-isoxazolyl)-1-ethanone (CAS 6497-21-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H7NO2 and a molecular weight of 125.12500 g/mol. Key properties include a melting point of 26-28ºC, a boiling point of 54ºC 0,25mm, a density of 1.104 g/cm3 and a flash point of 87.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6497-21-8
Jingsj CID: J-1178198-9
Molecular Formula: C₆H₇NO₂
Molecular Weight: 125.12500 g/mol
Category: Ketones
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	26-28ºC
Boiling Point	54ºC 0,25mm
Density	1.104 g/cm3
Flash Point	87.4ºC
Exact Mass	125.04800
PSA	43.10000
LogP	1.18560
Refractive Index	1.468

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-(5-Methyl-4-isoxazolyl)-1-ethanone?

The CAS number of 1-(5-Methyl-4-isoxazolyl)-1-ethanone is 6497-21-8.

What are the molecular formula and molecular weight of 1-(5-Methyl-4-isoxazolyl)-1-ethanone?

1-(5-Methyl-4-isoxazolyl)-1-ethanone has molecular formula C6H7NO2 and molecular weight 125.12500 g/mol.

What are the upstream and downstream products of 1-(5-Methyl-4-isoxazolyl)-1-ethanone?

For 1-(5-Methyl-4-isoxazolyl)-1-ethanone, Upstream Products: 2,4-Pentanedione; Downstream Products: 3,5-dimethyl-1H-pyrazole-4-carbonitrile, 3,5-Dimethylisoxazole-4-carbonitrile, Ethyl acetate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-(5-Methyl-4-isoxazolyl)-1-ethanone (CAS 6497-21-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1178198-9 (accessed 2026-11-09).

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