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5-bromobenzo[b]thiophene-3-carboxylic acid

Also known as: 5-bromo-1-benzothiophene-3-carboxylic acid, 5-bromo-3-carboxybenzo[b]thiophene, 5-bromobenzothiophene-3-carboxylic acid, 5-bromobenzo[b]thiophene-3-carboxylic acid, 106856, MFCD06797473

5-bromobenzo[b]thiophene-3-carboxylic acid (CAS 7312-24-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5BrO2S and a molecular weight of 257.104 g/mol. Key properties include a melting point of 284ºC, a boiling point of 429.7±25.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 213.7±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7312-24-5
Jingsj CID
J-8658-8
Molecular Formula
C9H5BrO2S
Molecular Weight
257.104 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point284ºC
Boiling Point429.7±25.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point213.7±23.2 °C
Exact Mass255.919357
PSA65.54000
LogP4.83
Vapor Pressure0.0±1.1 mmHg at 25°C
Refractive Index1.739

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5-bromobenzo[b]thiophene-3-carboxylic acid?

The CAS number of 5-bromobenzo[b]thiophene-3-carboxylic acid is 7312-24-5.

What are the molecular formula and molecular weight of 5-bromobenzo[b]thiophene-3-carboxylic acid?

5-bromobenzo[b]thiophene-3-carboxylic acid has molecular formula C9H5BrO2S and molecular weight 257.104 g/mol.

What are the upstream and downstream products of 5-bromobenzo[b]thiophene-3-carboxylic acid?

For 5-bromobenzo[b]thiophene-3-carboxylic acid, Upstream Products: 1-(5-Bromobenzo[b]thiophen-3-yl)ethanone, 5-Bromobenzo[b]thiophene, (4-Bromophenyl)(2,2-dimethoxyethyl)sulfane; Downstream Products: (5-Bromo-1-benzothiophen-3-yl)methanol.

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

Last updated:

How to cite: Jingsj. "5-bromobenzo[b]thiophene-3-carboxylic acid (CAS 7312-24-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8658-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.