4-oxocyclopentane-1,2-dicarboxylic acid

4-环戊酮-1,2-二甲酸

Also known as: 1,2-Cyclopentanedicarboxylic acid, 4-oxo-, 4-Oxo-1,2-cyclopentanedicarboxylic acid, Cyclopentanone-3,4-dicarboxylic acid, 4-Cyclopentanone-1,2-dicarboxylic acid, dl-trans-4-Oxocyclopentane-1,2-dicarboxylic acid, 4-Oxocyclopentane-1,2-dicarboxylic Acid

4-oxocyclopentane-1,2-dicarboxylic acid (CAS 1703-61-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H8O5 and a molecular weight of 172.135 g/mol. It is also known as 1,2-Cyclopentanedicarboxylic acid, 4-oxo-, 4-Oxo-1,2-cyclopentanedicarboxylic acid and Cyclopentanone-3,4-dicarboxylic acid. Key properties include a melting point of 189ºC, a boiling point of 466.7±45.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 250.2±25.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1703-61-3
Jingsj CID
J-1146691-8
Molecular Formula
C7H8O5
Chinese Name
4-环戊酮-1,2-二甲酸
Molecular Weight
172.135 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point189ºC
Boiling Point466.7±45.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point250.2±25.2 °C

Frequently Asked Questions

What is the CAS number of 4-oxocyclopentane-1,2-dicarboxylic acid?

The CAS number of 4-oxocyclopentane-1,2-dicarboxylic acid is 1703-61-3.

What are the molecular formula and molecular weight of 4-oxocyclopentane-1,2-dicarboxylic acid?

4-oxocyclopentane-1,2-dicarboxylic acid has molecular formula C7H8O5 and molecular weight 172.135 g/mol.

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

Last updated:

How to cite: Jingsj. "4-oxocyclopentane-1,2-dicarboxylic acid (CAS 1703-61-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1146691-8 (accessed 2026-10-25).

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