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4-Fluorobenzo[b]thiophene-2-carboxylic acid

Also known as: 4-Fluoro-1-benzothiophene-2-carboxylic acid, 4-Fluorobenzothiophene-2-carboxylic acid, Benzo[b]thiophene-2-carboxylic acid, 4-fluoro-, 4-Fluorobenzo[b]thiophen-2-carboxylic acid

4-Fluorobenzo[b]thiophene-2-carboxylic acid (CAS 310466-37-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5FO2S and a molecular weight of 196.19800 g/mol. Key properties include a melting point of 217-220ºC, a boiling point of 379.4ºC at 760 mmHg, a density of 1.511g/cm3 and a flash point of 183.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
310466-37-6
Jingsj CID
J-1504207-6
Molecular Formula
C9H5FO2S
Molecular Weight
196.19800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point217-220ºC
Boiling Point379.4ºC at 760 mmHg
Density1.511g/cm3
Flash Point183.2ºC
Exact Mass195.99900
PSA65.54000
LogP2.73860
Refractive Index1.686

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 4-Fluorobenzo[b]thiophene-2-carboxylic acid?

The CAS number of 4-Fluorobenzo[b]thiophene-2-carboxylic acid is 310466-37-6.

What are the molecular formula and molecular weight of 4-Fluorobenzo[b]thiophene-2-carboxylic acid?

4-Fluorobenzo[b]thiophene-2-carboxylic acid has molecular formula C9H5FO2S and molecular weight 196.19800 g/mol.

What are the upstream and downstream products of 4-Fluorobenzo[b]thiophene-2-carboxylic acid?

For 4-Fluorobenzo[b]thiophene-2-carboxylic acid, Upstream Products: 2,6-Difluorobenzaldehyde; Downstream Products: 4-Fluorobenzo[b]thiophene.

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

Last updated:

How to cite: Jingsj. "4-Fluorobenzo[b]thiophene-2-carboxylic acid (CAS 310466-37-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504207-6 (accessed 2026-11-09).

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