Jingsj
.mol.sdf

5-acetyl-6-methyl-2(1H)-pyridinone

5-乙酰基-6-甲基-2(1H)-吡啶酮

Also known as: 5-acetyl-6-methyl-1H-pyridin-2-one, 5-acetyl-6-methylpyridin-2(1H)-one, 2(1H)-pyridinone,5-acetyl-6-methyl-, 5-acetyl-6-methyl-2-(1H)pyridone, acetylmethylpyridinone, SF 36

5-acetyl-6-methyl-2(1H)-pyridinone (CAS 5220-65-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9NO2 and a molecular weight of 151.16300 g/mol. It is also known as 5-acetyl-6-methyl-1H-pyridin-2-one, 5-acetyl-6-methylpyridin-2(1H)-one and 2(1H)-pyridinone,5-acetyl-6-methyl-. Key properties include a melting point of 203-205ºC, a boiling point of 349.7ºC at 760mmHg, a density of 1.138g/cm3 and a flash point of 168.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5220-65-5
Jingsj CID
J-1177917-3
Molecular Formula
C8H9NO2
Chinese Name
5-乙酰基-6-甲基-2(1H)-吡啶酮
Molecular Weight
151.16300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point203-205ºC
Boiling Point349.7ºC at 760mmHg
Density1.138g/cm3
Flash Point168.5ºC

Frequently Asked Questions

What is the CAS number of 5-acetyl-6-methyl-2(1H)-pyridinone?

The CAS number of 5-acetyl-6-methyl-2(1H)-pyridinone is 5220-65-5.

What are the molecular formula and molecular weight of 5-acetyl-6-methyl-2(1H)-pyridinone?

5-acetyl-6-methyl-2(1H)-pyridinone has molecular formula C8H9NO2 and molecular weight 151.16300 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-6-methyl-2(1H)-pyridinone (CAS 5220-65-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1177917-3 (accessed 2026-10-22).

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