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5-(4-methylsulfanylphenyl)thiophene-2-carboxylic acid

5-[4-(甲硫基)苯基]噻吩-2-羧酸

Also known as: 5-(4-(methylthio)phenyl)thiophene-2-carboxylic acid, 5-[4-(methylthio)phenyl]thiophene-2-carboxylic acid, 2-Thiophenecarboxylic acid, 5-[4-(methylthio)phenyl]-, 5-[4-(Methylthio)phenyl]-2-thiophenecarboxylic acid, 5-(4-METHYL SULFANYL PHENYL)THIOPHENE-2-CARBOXYLIC ACID

5-(4-methylsulfanylphenyl)thiophene-2-carboxylic acid (CAS 870703-97-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H10O2S2 and a molecular weight of 250.33700 g/mol. It is also known as 5-(4-(methylthio)phenyl)thiophene-2-carboxylic acid, 5-[4-(methylthio)phenyl]thiophene-2-carboxylic acid and 2-Thiophenecarboxylic acid, 5-[4-(methylthio)phenyl]-. Key properties include a melting point of 220-224ºC(lit.), a boiling point of 447.51ºC at 760 mmHg, a density of 1.382g/cm3 and a flash point of 224.446ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
870703-97-2
Jingsj CID
J-1477514-9
Molecular Formula
C12H10O2S2
Chinese Name
5-[4-(甲硫基)苯基]噻吩-2-羧酸
Molecular Weight
250.33700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point220-224ºC(lit.)
Boiling Point447.51ºC at 760 mmHg
Density1.382g/cm3
Flash Point224.446ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 5-(4-methylsulfanylphenyl)thiophene-2-carboxylic acid?

The CAS number of 5-(4-methylsulfanylphenyl)thiophene-2-carboxylic acid is 870703-97-2.

What are the molecular formula and molecular weight of 5-(4-methylsulfanylphenyl)thiophene-2-carboxylic acid?

5-(4-methylsulfanylphenyl)thiophene-2-carboxylic acid has molecular formula C12H10O2S2 and molecular weight 250.33700 g/mol.

Is 5-(4-methylsulfanylphenyl)thiophene-2-carboxylic acid hazardous?

5-(4-methylsulfanylphenyl)thiophene-2-carboxylic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "5-(4-methylsulfanylphenyl)thiophene-2-carboxylic acid (CAS 870703-97-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1477514-9 (accessed 2026-10-24).

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