5-Amino-1-benzothiophene-2-carboxylic acid

5-氨基苯并[b]噻吩-2-羧酸

Also known as: 5-AMINOBENZO[B]THIOPHENE-2-CARBOXYLIC ACID, 5-Aminobenzo[b]thiophene-2-carboxylic acid, 5-Amino-2-benzothiophenecarboxylic acid, 5-Amino-2-carboxybenzo[b]thiophene, Benzo[b]thiophene-2-carboxylic acid, 5-amino-

5-Amino-1-benzothiophene-2-carboxylic acid (CAS 98589-46-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NO2S and a molecular weight of 193.22200 g/mol. It is also known as 5-AMINOBENZO[B]THIOPHENE-2-CARBOXYLIC ACID, 5-Aminobenzo[b]thiophene-2-carboxylic acid and 5-Amino-2-benzothiophenecarboxylic acid. Key properties include a melting point of 274-276ºC, a boiling point of 467.8ºC at 760mmHg, a density of 1.511g/cm3 and a flash point of 236.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
98589-46-9
Jingsj CID
J-1519000-6
Molecular Formula
C9H7NO2S
Chinese Name
5-氨基苯并[b]噻吩-2-羧酸
Molecular Weight
193.22200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point274-276ºC
Boiling Point467.8ºC at 760mmHg
Density1.511g/cm3
Flash Point236.7ºC

Frequently Asked Questions

What is the CAS number of 5-Amino-1-benzothiophene-2-carboxylic acid?

The CAS number of 5-Amino-1-benzothiophene-2-carboxylic acid is 98589-46-9.

What are the molecular formula and molecular weight of 5-Amino-1-benzothiophene-2-carboxylic acid?

5-Amino-1-benzothiophene-2-carboxylic acid has molecular formula C9H7NO2S and molecular weight 193.22200 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Amino-1-benzothiophene-2-carboxylic acid (CAS 98589-46-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519000-6 (accessed 2026-10-22).

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