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2-Chloro-5-methylthiophene-3-carboxylic acid

2-氯-5-甲基噻吩-3-羧酸

Also known as: 2-CHLORO-5-METHYLTHIOPHENE-3-CARBOXYLIC ACID, 2-Chlor-5-methyl-3-thiophencarbonsaeure, 2-chloro-5-methyl-3-Thiophenecarboxylic acid, 2-chloro-5-methyl-3-thiophenecarboxylic acid, 2-chloro-5-methyl-thiophene-3-carboxylic acid, 3-Thiophenecarboxylic acid, 2-chloro-5-methyl-, QC-6004

2-Chloro-5-methylthiophene-3-carboxylic acid (CAS 54494-61-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5ClO2S and a molecular weight of 176.62100 g/mol. It is also known as 2-CHLORO-5-METHYLTHIOPHENE-3-CARBOXYLIC ACID, 2-Chlor-5-methyl-3-thiophencarbonsaeure and 2-chloro-5-methyl-3-Thiophenecarboxylic acid. Key properties include a boiling point of 291.2ºC at 760 mmHg, a density of 1.475 g/cm3 and a flash point of 129.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
54494-61-0
Jingsj CID
J-1445450-3
Molecular Formula
C6H5ClO2S
Chinese Name
2-氯-5-甲基噻吩-3-羧酸
Molecular Weight
176.62100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point291.2ºC at 760 mmHg
Density1.475 g/cm3
Flash Point129.9ºC

Frequently Asked Questions

What is the CAS number of 2-Chloro-5-methylthiophene-3-carboxylic acid?

The CAS number of 2-Chloro-5-methylthiophene-3-carboxylic acid is 54494-61-0.

What are the molecular formula and molecular weight of 2-Chloro-5-methylthiophene-3-carboxylic acid?

2-Chloro-5-methylthiophene-3-carboxylic acid has molecular formula C6H5ClO2S and molecular weight 176.62100 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Chloro-5-methylthiophene-3-carboxylic acid (CAS 54494-61-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1445450-3 (accessed 2026-10-25).

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