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5-Methyl-1,3,4-oxadiazole-2-carboxylic acid

5-甲基-1,3,4-噁二唑-2-甲酸

Also known as: 1,3,4-Oxadiazole-2-carboxylic acid, 5-methyl-, 5-Methyl-1,3,4oxadiazole-2-carboxylic acid, 5-methyl-[1,3,4]oxadiazole-2-carboxylic acid, 5-methyl-1,3,4-oxadiazole-2-carboxylicacid

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid (CAS 518048-06-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H4N2O3 and a molecular weight of 128.086 g/mol. It is also known as 1,3,4-Oxadiazole-2-carboxylic acid, 5-methyl-, 5-Methyl-1,3,4oxadiazole-2-carboxylic acid and 5-methyl-[1,3,4]oxadiazole-2-carboxylic acid. Key properties include a boiling point of 317.9±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 146.1±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
518048-06-1
Jingsj CID
J-1327503-1
Molecular Formula
C4H4N2O3
Chinese Name
5-甲基-1,3,4-噁二唑-2-甲酸
Molecular Weight
128.086 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point317.9±25.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point146.1±23.2 °C

Frequently Asked Questions

What is the CAS number of 5-Methyl-1,3,4-oxadiazole-2-carboxylic acid?

The CAS number of 5-Methyl-1,3,4-oxadiazole-2-carboxylic acid is 518048-06-1.

What are the molecular formula and molecular weight of 5-Methyl-1,3,4-oxadiazole-2-carboxylic acid?

5-Methyl-1,3,4-oxadiazole-2-carboxylic acid has molecular formula C4H4N2O3 and molecular weight 128.086 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Methyl-1,3,4-oxadiazole-2-carboxylic acid (CAS 518048-06-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1327503-1 (accessed 2026-10-25).

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