Methyl 4-methyl-1,2,3-thiadiazole-5-carboxylate

4-甲基-1,2,3-噻二唑-5-羧酸甲酯

Also known as: 1,2,3-Thiadiazole-5-carboxylic acid, 4-methyl-, methyl ester, 4-Methyl-[1,2,3]thiadiazole-5-carboxylic acid methyl ester, methyl 4-methylthiadiazole-5-carboxylate

Methyl 4-methyl-1,2,3-thiadiazole-5-carboxylate (CAS 183298-93-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O2S and a molecular weight of 158.17800 g/mol. It is also known as 1,2,3-Thiadiazole-5-carboxylic acid, 4-methyl-, methyl ester, 4-Methyl-[1,2,3]thiadiazole-5-carboxylic acid methyl ester and methyl 4-methylthiadiazole-5-carboxylate. Key properties include a boiling point of 224.7ºC at 760 mmHg, a density of 1.323g/cm3 and a flash point of 89.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
183298-93-3
Jingsj CID
J-1084615-5
Molecular Formula
C5H6N2O2S
Chinese Name
4-甲基-1,2,3-噻二唑-5-羧酸甲酯
Molecular Weight
158.17800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point224.7ºC at 760 mmHg
Density1.323g/cm3
Flash Point89.7ºC

Frequently Asked Questions

What is the CAS number of Methyl 4-methyl-1,2,3-thiadiazole-5-carboxylate?

The CAS number of Methyl 4-methyl-1,2,3-thiadiazole-5-carboxylate is 183298-93-3.

What are the molecular formula and molecular weight of Methyl 4-methyl-1,2,3-thiadiazole-5-carboxylate?

Methyl 4-methyl-1,2,3-thiadiazole-5-carboxylate has molecular formula C5H6N2O2S and molecular weight 158.17800 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl 4-methyl-1,2,3-thiadiazole-5-carboxylate (CAS 183298-93-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1084615-5 (accessed 2026-10-24).

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