5-Methyl-1,3-thiazole-4-carboxylic acid

5-甲基-1,3-噻唑-4-甲酸

Also known as: 5-Methylthiazole-4-carboxylic acid, 4-Thiazolecarboxylic acid, 5-methyl-, 5-Methyl-4-thiazolecarboxylic acid, 4-Carboxy-5-methyl-1,3-thiazole

5-Methyl-1,3-thiazole-4-carboxylic acid (CAS 120237-76-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5NO2S and a molecular weight of 143.164 g/mol. It is also known as 5-Methylthiazole-4-carboxylic acid, 4-Thiazolecarboxylic acid, 5-methyl- and 5-Methyl-4-thiazolecarboxylic acid. Key properties include a boiling point of 303.6±22.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 137.4±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
120237-76-5
Jingsj CID
J-1309191-4
Molecular Formula
C5H5NO2S
Chinese Name
5-甲基-1,3-噻唑-4-甲酸
Molecular Weight
143.164 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point303.6±22.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point137.4±22.3 °C

Frequently Asked Questions

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

The CAS number of 5-Methyl-1,3-thiazole-4-carboxylic acid is 120237-76-5.

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

5-Methyl-1,3-thiazole-4-carboxylic acid has molecular formula C5H5NO2S and molecular weight 143.164 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-thiazole-4-carboxylic acid (CAS 120237-76-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1309191-4 (accessed 2026-10-25).

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