2H-Pyran-4(3H)-one

2H-吡喃-4(3H)-酮

Also known as: 2,3-dihydro-4H-pyran-4-one, 2,3-dihydro-4-pyranone, 2,3-dihydro-4-pyrone, 2,3-dihydro-pyran-4-one, 2,3-dihydropyran-4-one, 4H-Pyran-4-one, 2,3-dihydro-, 4-Pyranone,2,3-dihydro

2H-Pyran-4(3H)-one (CAS 84302-42-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H6O2 and a molecular weight of 98.09990 g/mol. It is also known as 2,3-dihydro-4H-pyran-4-one, 2,3-dihydro-4-pyranone and 2,3-dihydro-4-pyrone. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 84302-42-1
Jingsj CID: J-1429847-5
Molecular Formula: C₅H₆O₂
Chinese Name: 2H-吡喃-4(3H)-酮
Molecular Weight: 98.09990 g/mol
Category: Ketones
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 2H-Pyran-4(3H)-one?

The CAS number of 2H-Pyran-4(3H)-one is 84302-42-1.

What are the molecular formula and molecular weight of 2H-Pyran-4(3H)-one?

2H-Pyran-4(3H)-one has molecular formula C5H6O2 and molecular weight 98.09990 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. "2H-Pyran-4(3H)-one (CAS 84302-42-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1429847-5 (accessed 2026-10-22).

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