7-Bromobenzo[b]thiophene-2-carboxylic acid

Also known as: 7-bromo-1-benzothiophene-2-carboxylic acid, 7-Bromo-2-carboxybenzo[b]thiophene, 7-Bromobenzothiophene-2-carboxylic acid, Benzo[b]thiophene-2-carboxylic acid, 7-bromo-

7-Bromobenzo[b]thiophene-2-carboxylic acid (CAS 19075-59-3) 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 257.10400 g/mol. Key properties include a boiling point of 429.7ºC at 760 mmHg, a density of 1.813g/cm3 and a flash point of 213.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 19075-59-3
Jingsj CID: J-1448416-3
Molecular Formula: C₉H₅BrO₂S
Molecular Weight: 257.10400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	429.7ºC at 760 mmHg
Density	1.813g/cm3
Flash Point	213.7ºC
Exact Mass	255.91900
PSA	65.54000
LogP	3.36200
Vapor Pressure	3.8E-08mmHg at 25°C
Refractive Index	1.738

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. 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 7-Bromobenzo[b]thiophene-2-carboxylic acid?

The CAS number of 7-Bromobenzo[b]thiophene-2-carboxylic acid is 19075-59-3.

What are the molecular formula and molecular weight of 7-Bromobenzo[b]thiophene-2-carboxylic acid?

7-Bromobenzo[b]thiophene-2-carboxylic acid has molecular formula C9H5BrO2S and molecular weight 257.10400 g/mol.

What are the upstream and downstream products of 7-Bromobenzo[b]thiophene-2-carboxylic acid?

For 7-Bromobenzo[b]thiophene-2-carboxylic acid, Upstream Products: 3-Bromo-2-fluorobenzaldehyde, Methyl thioglycolate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "7-Bromobenzo[b]thiophene-2-carboxylic acid (CAS 19075-59-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1448416-3 (accessed 2026-11-09).

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