4,5,5-Trimethyl-2-oxo-2,5-dihydro-3-furancarbonitrile

4,5,5-三甲基-2-氧代-2,5-二氢-3-呋喃甲腈

Also known as: 3-Furancarbonitrile, 2,5-dihydro-4,5,5-trimethyl-2-oxo-, 4,5,5-Trimethyl-2-oxo-2,5-dihydrofuran-3-carbonitrile, 4,5,5-trimethyl-2-oxofuran-3-carbonitrile

4,5,5-Trimethyl-2-oxo-2,5-dihydro-3-furancarbonitrile (CAS 13332-71-3) 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 3-Furancarbonitrile, 2,5-dihydro-4,5,5-trimethyl-2-oxo-, 4,5,5-Trimethyl-2-oxo-2,5-dihydrofuran-3-carbonitrile and 4,5,5-trimethyl-2-oxofuran-3-carbonitrile. Key properties include a boiling point of 289.5ºC at 760 mmHg, a density of 1.13g/cm3 and a flash point of 132.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13332-71-3
Jingsj CID
J-1572315-4
Molecular Formula
C8H9NO2
Chinese Name
4,5,5-三甲基-2-氧代-2,5-二氢-3-呋喃甲腈
Molecular Weight
151.16300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point289.5ºC at 760 mmHg
Density1.13g/cm3
Flash Point132.7ºC

Frequently Asked Questions

What is the CAS number of 4,5,5-Trimethyl-2-oxo-2,5-dihydro-3-furancarbonitrile?

The CAS number of 4,5,5-Trimethyl-2-oxo-2,5-dihydro-3-furancarbonitrile is 13332-71-3.

What are the molecular formula and molecular weight of 4,5,5-Trimethyl-2-oxo-2,5-dihydro-3-furancarbonitrile?

4,5,5-Trimethyl-2-oxo-2,5-dihydro-3-furancarbonitrile 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. "4,5,5-Trimethyl-2-oxo-2,5-dihydro-3-furancarbonitrile (CAS 13332-71-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1572315-4 (accessed 2026-10-25).

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