3-ethoxycarbonyl-5-methyl-1,2-oxazole-4-carboxylic acid

5-甲基-3,4-异噁唑二羧酸-3-乙酯

Also known as: 3,4-Isoxazoledicarboxylic acid, 5-methyl-, 3-ethyl ester, 3,4-Isoxazoledicarboxylicacid,5-methyl-,3-ethylester(9CI), 3-(ethoxycarbonyl)-5-methylisoxazole-4-carboxylic acid, 5-METHYL-3,4-ISOXAZOLE DICARBOXYLIC ACID-3-ETHYL ESTER, 5-methyl-3,4-isoxazole dicarboxylic acid-3-ethyl ester

3-ethoxycarbonyl-5-methyl-1,2-oxazole-4-carboxylic acid (CAS 474678-51-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H9NO5 and a molecular weight of 199.16100 g/mol. It is also known as 3,4-Isoxazoledicarboxylic acid, 5-methyl-, 3-ethyl ester, 3,4-Isoxazoledicarboxylicacid,5-methyl-,3-ethylester(9CI) and 3-(ethoxycarbonyl)-5-methylisoxazole-4-carboxylic acid. Key properties include a boiling point of 385.5ºC at 760 mmHg, a density of 1.339g/cm3 and a flash point of 186.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
474678-51-8
Jingsj CID
J-1148986-7
Molecular Formula
C8H9NO5
Chinese Name
5-甲基-3,4-异噁唑二羧酸-3-乙酯
Molecular Weight
199.16100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point385.5ºC at 760 mmHg
Density1.339g/cm3
Flash Point186.9ºC

Frequently Asked Questions

What is the CAS number of 3-ethoxycarbonyl-5-methyl-1,2-oxazole-4-carboxylic acid?

The CAS number of 3-ethoxycarbonyl-5-methyl-1,2-oxazole-4-carboxylic acid is 474678-51-8.

What are the molecular formula and molecular weight of 3-ethoxycarbonyl-5-methyl-1,2-oxazole-4-carboxylic acid?

3-ethoxycarbonyl-5-methyl-1,2-oxazole-4-carboxylic acid has molecular formula C8H9NO5 and molecular weight 199.16100 g/mol.

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

Last updated:

How to cite: Jingsj. "3-ethoxycarbonyl-5-methyl-1,2-oxazole-4-carboxylic acid (CAS 474678-51-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1148986-7 (accessed 2026-10-25).

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