5-Acetyl-3(2-pyridyl)isoxazole

5-乙酰基-3(2-吡啶基)-异噁唑

Also known as: 1-(3-pyridin-2-yl-1,2-oxazol-5-yl)ethanone, Ethanone, 1-[3-(2-pyridinyl)-5-isoxazolyl]-, 5-ACETYL-3(2-PYRIDYL)-ISOXAZOLE, 5-Acetyl-3-(2-pyridyl)isoxazole, 1-(3-(Pyridin-2-yl)isoxazol-5-yl)ethanone, 1-[3-(Pyridin-2-yl)-1,2-oxazol-5-yl]ethan-1-one

5-Acetyl-3(2-pyridyl)isoxazole (CAS 889939-02-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8N2O2 and a molecular weight of 188.18300 g/mol. It is also known as 1-(3-pyridin-2-yl-1,2-oxazol-5-yl)ethanone, Ethanone, 1-[3-(2-pyridinyl)-5-isoxazolyl]- and 5-ACETYL-3(2-PYRIDYL)-ISOXAZOLE. Key properties include a boiling point of 391.5ºC at 760 mmHg, a density of 1.21g/cm3 and a flash point of 190.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
889939-02-0
Jingsj CID
J-1328273-6
Molecular Formula
C10H8N2O2
Chinese Name
5-乙酰基-3(2-吡啶基)-异噁唑
Molecular Weight
188.18300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point391.5ºC at 760 mmHg
Density1.21g/cm3
Flash Point190.6ºC

Frequently Asked Questions

What is the CAS number of 5-Acetyl-3(2-pyridyl)isoxazole?

The CAS number of 5-Acetyl-3(2-pyridyl)isoxazole is 889939-02-0.

What are the molecular formula and molecular weight of 5-Acetyl-3(2-pyridyl)isoxazole?

5-Acetyl-3(2-pyridyl)isoxazole has molecular formula C10H8N2O2 and molecular weight 188.18300 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Acetyl-3(2-pyridyl)isoxazole (CAS 889939-02-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1328273-6 (accessed 2026-10-25).

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