7-Chloro-1-benzothiophene-2-carboxylic acid

7-氯-1-苯并噻吩-2-甲酸

Also known as: 7-Chlorobenzo[b]thiophene-2-carboxylic acid, 7-Chlorobenzothiophene-2-carboxylic acid, 7-chloro-2-benzothiophenecarboxylic acid, Benzo[b]thiophene-2-carboxylic acid, 7-chloro-, 2-Carboxy-7-chlorobenzo[b]thiophene, GA-0946, FS002044

7-Chloro-1-benzothiophene-2-carboxylic acid (CAS 90407-16-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5ClO2S and a molecular weight of 212.653 g/mol. It is also known as 7-Chlorobenzo[b]thiophene-2-carboxylic acid, 7-Chlorobenzothiophene-2-carboxylic acid and 7-chloro-2-benzothiophenecarboxylic acid. Key properties include a melting point of 289-291ºC, a boiling point of 408.6±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 200.9±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
90407-16-2
Jingsj CID
J-996390-6
Molecular Formula
C9H5ClO2S
Chinese Name
7-氯-1-苯并噻吩-2-甲酸
Molecular Weight
212.653 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point289-291ºC
Boiling Point408.6±25.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point200.9±23.2 °C

Frequently Asked Questions

What is the CAS number of 7-Chloro-1-benzothiophene-2-carboxylic acid?

The CAS number of 7-Chloro-1-benzothiophene-2-carboxylic acid is 90407-16-2.

What are the molecular formula and molecular weight of 7-Chloro-1-benzothiophene-2-carboxylic acid?

7-Chloro-1-benzothiophene-2-carboxylic acid has molecular formula C9H5ClO2S and molecular weight 212.653 g/mol.

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

Last updated:

How to cite: Jingsj. "7-Chloro-1-benzothiophene-2-carboxylic acid (CAS 90407-16-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-996390-6 (accessed 2026-10-22).

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