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3-Ethyltetrahydro-4H-pyran-4-one

Also known as: 3-ETHYL-TETRAHYDROPYRAN-4-ONE, 3-Ethyloxan-4-one, 3-ethyl-tetrahydropyran-4-one, 3-ethyldihydro-2H-pyran-4(3H)-one, 4H-Pyran-4-one, 3-ethyltetrahydro-

3-Ethyltetrahydro-4H-pyran-4-one (CAS 21398-42-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H12O2 and a molecular weight of 128.16900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21398-42-5
Jingsj CID
J-1168889-4
Molecular Formula
C7H12O2
Molecular Weight
128.16900 g/mol
Category
Ketones
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass128.08400
PSA26.30000
LogP1.00200

Frequently Asked Questions

What is the CAS number of 3-Ethyltetrahydro-4H-pyran-4-one?

The CAS number of 3-Ethyltetrahydro-4H-pyran-4-one is 21398-42-5.

What are the molecular formula and molecular weight of 3-Ethyltetrahydro-4H-pyran-4-one?

3-Ethyltetrahydro-4H-pyran-4-one has molecular formula C7H12O2 and molecular weight 128.16900 g/mol.

What are the upstream and downstream products of 3-Ethyltetrahydro-4H-pyran-4-one?

For 3-Ethyltetrahydro-4H-pyran-4-one, Upstream Products: Tetrahydro-4H-pyran-4-one, Iodoethane, 4H-pyran-4-one.

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

Last updated:

How to cite: Jingsj. "3-Ethyltetrahydro-4H-pyran-4-one (CAS 21398-42-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1168889-4 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.