5-fluorobenzo[b]thiophene-2-carboxylic acid

5-氟苯并[b]噻吩-2-羧酸

Also known as: 5-fluoro-1-benzothiophene-2-carboxylic acid, 5-fluorobenzo[b]thiophene-2-carboxylic acid, 5-fluorobenzothiophene-2-carboxylic acid, 2-Carboxy-5-fluoro-1-benzothiophene, 5-fluoro-1-benzothiophene-2-carboxylate, Benzo[b]thiophene-2-carboxylic acid, 5-fluoro-

5-fluorobenzo[b]thiophene-2-carboxylic acid (CAS 70060-13-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5FO2S and a molecular weight of 196.19800 g/mol. It is also known as 5-fluoro-1-benzothiophene-2-carboxylic acid, 5-fluorobenzothiophene-2-carboxylic acid and 2-Carboxy-5-fluoro-1-benzothiophene. Key properties include a melting point of 240-243ºC, a boiling point of 379.4ºC at 760 mmHg, a density of 1.511 g/cm3 and a flash point of 183.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
70060-13-8
Jingsj CID
J-927523-8
Molecular Formula
C9H5FO2S
Chinese Name
5-氟苯并[b]噻吩-2-羧酸
Molecular Weight
196.19800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point240-243ºC
Boiling Point379.4ºC at 760 mmHg
Density1.511 g/cm3
Flash Point183.2ºC

Frequently Asked Questions

What is the CAS number of 5-fluorobenzo[b]thiophene-2-carboxylic acid?

The CAS number of 5-fluorobenzo[b]thiophene-2-carboxylic acid is 70060-13-8.

What are the molecular formula and molecular weight of 5-fluorobenzo[b]thiophene-2-carboxylic acid?

5-fluorobenzo[b]thiophene-2-carboxylic acid has molecular formula C9H5FO2S and molecular weight 196.19800 g/mol.

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

Last updated:

How to cite: Jingsj. "5-fluorobenzo[b]thiophene-2-carboxylic acid (CAS 70060-13-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-927523-8 (accessed 2026-10-22).

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