Methyl 5-methylisoxazole-4-carboxylate

5-甲基-4-异噁唑羧酸甲酯

Also known as: 4-(Methoxycarbonyl)-5-methylisoxazole, 4-Isoxazolecarboxylic acid, 5-methyl-, methyl ester, Methyl 5-methyl-1,2-oxazole-4-carboxylate, 5-Methylisoxazole-4-carboxylic acid methyl ester, 5-Methyl-1,2-oxazole-4-carboxylic acid methyl ester

Methyl 5-methylisoxazole-4-carboxylate (CAS 100047-54-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H7NO3 and a molecular weight of 141.12500 g/mol. It is also known as 4-(Methoxycarbonyl)-5-methylisoxazole, 4-Isoxazolecarboxylic acid, 5-methyl-, methyl ester and Methyl 5-methyl-1,2-oxazole-4-carboxylate. Key properties include a boiling point of 211.94ºC at 760 mmHg, a density of 1.18g/cm3 and a flash point of 81.978ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 100047-54-9
Jingsj CID: J-1516500-8
Molecular Formula: C₆H₇NO₃
Chinese Name: 5-甲基-4-异噁唑羧酸甲酯
Molecular Weight: 141.12500 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	211.94ºC at 760 mmHg
Density	1.18g/cm3
Flash Point	81.978ºC

Frequently Asked Questions

What is the CAS number of Methyl 5-methylisoxazole-4-carboxylate?

The CAS number of Methyl 5-methylisoxazole-4-carboxylate is 100047-54-9.

What are the molecular formula and molecular weight of Methyl 5-methylisoxazole-4-carboxylate?

Methyl 5-methylisoxazole-4-carboxylate has molecular formula C6H7NO3 and molecular weight 141.12500 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Methyl 5-methylisoxazole-4-carboxylate (CAS 100047-54-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516500-8 (accessed 2026-10-25).

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