2-(Methylthio)thiophene-3-carboxylic acid

2-(甲基硫代)噻吩-3-羧酸

Also known as: 2-(METHYLSULFANYL)THIOPHENE-3-CARBOXYLIC ACID, 2-(METHYLTHIO)-THIOPHENE-3-CARBOXYLIC ACID, 2-methylsulfanylthiophene-3-carboxylic acid, 2-methylsulfanyl-thiophene-3-carboxylic acid, 2-Methylthiothiophen-3-carbonsaeure, 3-Thiophenecarboxylic acid, 2-(methylthio)-, RARECHEM AL BE 1277

2-(Methylthio)thiophene-3-carboxylic acid (CAS 71154-30-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6O2S2 and a molecular weight of 174.24100 g/mol. It is also known as 2-(METHYLSULFANYL)THIOPHENE-3-CARBOXYLIC ACID, 2-(METHYLTHIO)-THIOPHENE-3-CARBOXYLIC ACID and 2-methylsulfanylthiophene-3-carboxylic acid. Key properties include a boiling point of 311.6ºC at 760 mmHg, a density of 1.43g/cm3 and a flash point of 142.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
71154-30-8
Jingsj CID
J-1368699-2
Molecular Formula
C6H6O2S2
Chinese Name
2-(甲基硫代)噻吩-3-羧酸
Molecular Weight
174.24100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point311.6ºC at 760 mmHg
Density1.43g/cm3
Flash Point142.2ºC

Frequently Asked Questions

What is the CAS number of 2-(Methylthio)thiophene-3-carboxylic acid?

The CAS number of 2-(Methylthio)thiophene-3-carboxylic acid is 71154-30-8.

What are the molecular formula and molecular weight of 2-(Methylthio)thiophene-3-carboxylic acid?

2-(Methylthio)thiophene-3-carboxylic acid has molecular formula C6H6O2S2 and molecular weight 174.24100 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(Methylthio)thiophene-3-carboxylic acid (CAS 71154-30-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1368699-2 (accessed 2026-10-23).

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