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3-chloro-6-fluorobenzo[b]thiophene-2-carboxylic acid

3-氯-6-氟苯并[b]噻吩-2-羧酸

Also known as: 3-chloro-6-fluoro-1-benzothiophene-2-carboxylic acid, 3-chloro-6-fluoro-2-benzothiophenecarboxylic acid, 3-chloro-6-fluoro-benzothiophene-2-carboxylic acid, 3-chloro-6-fluorobenzo(b)thiophene-2-carboxylic acid, 3-chloro-6-fluorobenzo[b]thiophene-2-carboxylic acid 97%, MFCD00228531

3-chloro-6-fluorobenzo[b]thiophene-2-carboxylic acid (CAS 34576-92-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H4ClFO2S and a molecular weight of 230.64300 g/mol. It is also known as 3-chloro-6-fluoro-1-benzothiophene-2-carboxylic acid, 3-chloro-6-fluoro-2-benzothiophenecarboxylic acid and 3-chloro-6-fluoro-benzothiophene-2-carboxylic acid. Key properties include a melting point of 293-297ºC(lit.), a boiling point of 398.2ºC at 760mmHg and a flash point of 194.6ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
34576-92-6
Jingsj CID
J-1990168-4
Molecular Formula
C9H4ClFO2S
Chinese Name
3-氯-6-氟苯并[b]噻吩-2-羧酸
Molecular Weight
230.64300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point293-297ºC(lit.)
Boiling Point398.2ºC at 760mmHg
Flash Point194.6ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-chloro-6-fluorobenzo[b]thiophene-2-carboxylic acid?

The CAS number of 3-chloro-6-fluorobenzo[b]thiophene-2-carboxylic acid is 34576-92-6.

What are the molecular formula and molecular weight of 3-chloro-6-fluorobenzo[b]thiophene-2-carboxylic acid?

3-chloro-6-fluorobenzo[b]thiophene-2-carboxylic acid has molecular formula C9H4ClFO2S and molecular weight 230.64300 g/mol.

Is 3-chloro-6-fluorobenzo[b]thiophene-2-carboxylic acid hazardous?

3-chloro-6-fluorobenzo[b]thiophene-2-carboxylic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "3-chloro-6-fluorobenzo[b]thiophene-2-carboxylic acid (CAS 34576-92-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990168-4 (accessed 2026-10-24).

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