4-Methyl-2-oxo-2H-pyran-6-carboxamide

4-甲基-2-氧-2H-吡喃-6-甲酰胺

Also known as: 4-Methyl-2-oxo-2H-pyran-6-carboxamide, 2H-Pyran-6-carboxamide, 4-methyl-2-oxo-, 2H-Pyran-6-carboxamide,4-methyl-2-oxo-(9CI), 4-Methyl-2-oxo-(2H)-pyrane-6-carboxamide, 4-methyl-2-oxopyran-6-carboxamide, 4-methyl-6-oxopyran-2-carboxamide, HMS562B16

4-Methyl-2-oxo-2H-pyran-6-carboxamide (CAS 254982-62-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C7H7NO3 and a molecular weight of 153.13500 g/mol. It is also known as 2H-Pyran-6-carboxamide, 4-methyl-2-oxo-, 2H-Pyran-6-carboxamide,4-methyl-2-oxo-(9CI) and 4-Methyl-2-oxo-(2H)-pyrane-6-carboxamide. Key properties include a melting point of 173ºC, a boiling point of 414.7ºC at 760mmHg, a density of 1.331g/cm3 and a flash point of 274.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
254982-62-2
Jingsj CID
J-1063375-5
Molecular Formula
C7H7NO3
Chinese Name
4-甲基-2-氧-2H-吡喃-6-甲酰胺
Molecular Weight
153.13500 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point173ºC
Boiling Point414.7ºC at 760mmHg
Density1.331g/cm3
Flash Point274.3ºC

Frequently Asked Questions

What is the CAS number of 4-Methyl-2-oxo-2H-pyran-6-carboxamide?

The CAS number of 4-Methyl-2-oxo-2H-pyran-6-carboxamide is 254982-62-2.

What are the molecular formula and molecular weight of 4-Methyl-2-oxo-2H-pyran-6-carboxamide?

4-Methyl-2-oxo-2H-pyran-6-carboxamide has molecular formula C7H7NO3 and molecular weight 153.13500 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Methyl-2-oxo-2H-pyran-6-carboxamide (CAS 254982-62-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1063375-5 (accessed 2026-10-24).

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