Skip to main content

5-Oxotetrahydrofuran-2-carboxylic acid

Also known as: Tetrahydro-5-oxo-2-furancarboxylic acid, Tetrahydro-5-oxo-2-furoic acid, 5-oxooxolane-2-carboxylic acid, Butyrolactonecarboxylic acid, gamma-Butyrolactone-gamma-carboxylic acid, alpha-Hydroxyglutaryl lactone, 2-Furancarboxylic acid, tetrahydro-5-oxo-, 5-oxotetrahydrofuran-2-carboxylic acid, 5-Oxo-tetrahydro-furan-2-carboxylic acid, TOF

5-Oxotetrahydrofuran-2-carboxylic acid (CAS 4344-84-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6O4 and a molecular weight of 130.099 g/mol. Key properties include a boiling point of 384.2±0.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 184.6±20.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4344-84-7
Jingsj CID
J-1371925-8
Molecular Formula
C5H6O4
Molecular Weight
130.099 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point384.2±0.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point184.6±20.3 °C
Exact Mass130.026611
PSA63.60000
LogP-1.40
Vapor Pressure0.0±1.8 mmHg at 25°C
Refractive Index1.506

Customs & Trade Information

HS Code2932190090
Summary2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5-Oxotetrahydrofuran-2-carboxylic acid?

The CAS number of 5-Oxotetrahydrofuran-2-carboxylic acid is 4344-84-7.

What are the molecular formula and molecular weight of 5-Oxotetrahydrofuran-2-carboxylic acid?

5-Oxotetrahydrofuran-2-carboxylic acid has molecular formula C5H6O4 and molecular weight 130.099 g/mol.

What are the upstream and downstream products of 5-Oxotetrahydrofuran-2-carboxylic acid?

For 5-Oxotetrahydrofuran-2-carboxylic acid, Upstream Products: 2-Ketoglutaric acid, L-Glutamic acid, L-Glutamine; Downstream Products: 3-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]propan-1-ol, Glutaric acid, 2(5H)-Furanone.

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

Last updated:

How to cite: Jingsj. "5-Oxotetrahydrofuran-2-carboxylic acid (CAS 4344-84-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1371925-8 (accessed 2026-11-07).

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