Methyl isoxazole-5-carboxylate

异恶唑-5-羧酸甲酯

Also known as: 5-Isoxazolecarboxylic acid, methyl ester, Methyl 1,2-oxazole-5-carboxylate, Isoxazole-5-carboxylic acid methyl ester, MFCD01570794, AKOS PAO-1372, Methyl 1,2-oxazole-5-carboxylate, 5-(Methoxycarbonyl)isoxazole, methyl oxazole-5-carboxylate

Methyl isoxazole-5-carboxylate (CAS 15055-81-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H5NO3 and a molecular weight of 127.098 g/mol. It is also known as 5-Isoxazolecarboxylic acid, methyl ester, Methyl 1,2-oxazole-5-carboxylate and Isoxazole-5-carboxylic acid methyl ester. Key properties include a melting point of 48-51ºC, a boiling point of 203.9±13.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 77.1±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
15055-81-9
Jingsj CID
J-40584-1
Molecular Formula
C5H5NO3
Chinese Name
异恶唑-5-羧酸甲酯
Molecular Weight
127.098 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point48-51ºC
Boiling Point203.9±13.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point77.1±19.8 °C

Frequently Asked Questions

What is the CAS number of Methyl isoxazole-5-carboxylate?

The CAS number of Methyl isoxazole-5-carboxylate is 15055-81-9.

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

Methyl isoxazole-5-carboxylate has molecular formula C5H5NO3 and molecular weight 127.098 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl isoxazole-5-carboxylate (CAS 15055-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40584-1 (accessed 2026-10-22).

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