4-Hydroxy-5,6-dimethyl-2H-pyran-2-one

4-羟基-5,6-二甲基吡喃-2-酮

Also known as: 4-Hydroxy-5,6-dimethylpyran-2-one, 4-Hydroxy-5,6-dimethyl-2-pyrone, 5,6-Dimethyl-4-hydroxy-2-pyrone, 5,6-Dimethyl-4-hydroxy-α-pyrone, 5,6-Dimethyl-4-hydroxy-2-oxo-2H-pyran, 6-Hydroxy-2,3-dimethyl-4-pyranone, 2,3-Dimethyl-6-oxidanyl-pyran-4-one, 2H-Pyran-2-one, 4-hydroxy-5,6-dimethyl-

4-Hydroxy-5,6-dimethyl-2H-pyran-2-one (CAS 50405-45-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H8O3 and a molecular weight of 140.13700 g/mol. It is also known as 4-Hydroxy-5,6-dimethylpyran-2-one, 4-Hydroxy-5,6-dimethyl-2-pyrone and 5,6-Dimethyl-4-hydroxy-2-pyrone. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 50405-45-3
Jingsj CID: J-1064778-3
Molecular Formula: C₇H₈O₃
Chinese Name: 4-羟基-5,6-二甲基吡喃-2-酮
Molecular Weight: 140.13700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-Hydroxy-5,6-dimethyl-2H-pyran-2-one?

The CAS number of 4-Hydroxy-5,6-dimethyl-2H-pyran-2-one is 50405-45-3.

What are the molecular formula and molecular weight of 4-Hydroxy-5,6-dimethyl-2H-pyran-2-one?

4-Hydroxy-5,6-dimethyl-2H-pyran-2-one has molecular formula C7H8O3 and molecular weight 140.13700 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. "4-Hydroxy-5,6-dimethyl-2H-pyran-2-one (CAS 50405-45-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1064778-3 (accessed 2026-10-22).

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