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ethyl 2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetate

Also known as: ethyl 2-(3-methyl-2,4,5-trioxo-cyclopentyl)-2-oxo-acetate, 4-Methyl-2,3,5-trioxocyclopentanglyoxylinsaeureethylester, 4-Methyl-2,3,5-trioxocyclopentanglyoxylsaeureaethylester, <4-Methyl-2,3,5-trioxo-cyclopentyl>-glyoxylsaeure-ethylester, NSC47361, NSC54457, Cyclopentaneacetic acid, 3-methyl-α,2,4,5-tetraoxo-, ethyl ester, 2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetic acid ethyl ester, CTK5E5419

ethyl 2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetate (CAS 781-38-4) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C10H10O6 and a molecular weight of 226.18300 g/mol. Key properties include a boiling point of 397.6ºC at 760 mmHg, a density of 1.362g/cm3 and a flash point of 180.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
781-38-4
Jingsj CID
J-1117326-5
Molecular Formula
C10H10O6
Molecular Weight
226.18300 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point397.6ºC at 760 mmHg
Density1.362g/cm3
Flash Point180.2ºC
Exact Mass226.04800
PSA94.58000
Refractive Index1.495

Frequently Asked Questions

What is the CAS number of ethyl 2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetate?

The CAS number of ethyl 2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetate is 781-38-4.

What are the molecular formula and molecular weight of ethyl 2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetate?

ethyl 2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetate has molecular formula C10H10O6 and molecular weight 226.18300 g/mol.

What are the upstream and downstream products of ethyl 2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetate?

For ethyl 2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetate, Upstream Products: Diethyl oxalate; Downstream Products: 2-Methyl-1,3-cyclopentanedione, 3-Methylcyclopentane-1,2,4-trione.

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

Last updated:

How to cite: Jingsj. "ethyl 2-(3-methyl-2,4,5-trioxocyclopentyl)-2-oxoacetate (CAS 781-38-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1117326-5 (accessed 2026-11-09).

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