5-Bromo-3-chlorothiophene-2-carboxylic acid

Also known as: 2-Thiophenecarboxylic acid, 5-bromo-3-chloro-, 5-Bromo-3-chloro-2-thiophenecarboxylic acid, 5-Bromo-3-chloro-thiophene-2-carboxylic acid

5-Bromo-3-chlorothiophene-2-carboxylic acid (CAS 842135-76-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H2BrClO2S and a molecular weight of 241.49000 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 842135-76-6
Jingsj CID: J-1355610-0
Molecular Formula: C₅H₂BrClO₂S
Molecular Weight: 241.49000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	239.86500
PSA	65.54000
LogP	2.86220

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 5-Bromo-3-chlorothiophene-2-carboxylic acid?

The CAS number of 5-Bromo-3-chlorothiophene-2-carboxylic acid is 842135-76-6.

What are the molecular formula and molecular weight of 5-Bromo-3-chlorothiophene-2-carboxylic acid?

5-Bromo-3-chlorothiophene-2-carboxylic acid has molecular formula C5H2BrClO2S and molecular weight 241.49000 g/mol.

What are the upstream and downstream products of 5-Bromo-3-chlorothiophene-2-carboxylic acid?

For 5-Bromo-3-chlorothiophene-2-carboxylic acid, Upstream Products: 3-Chlorothiophene-2-carboxylic acid, 1,2-Dibromoethane, Methyl 3-chlorothiophene-2-carboxylate.

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. "5-Bromo-3-chlorothiophene-2-carboxylic acid (CAS 842135-76-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1355610-0 (accessed 2026-11-09).

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