4-hydroxy-benzo[b]thiophene-7-carboxaldehyde

4-羟基-苯并[b]噻吩-7-羧醛

Also known as: 4-Hydroxy-1-benzothiophene-7-carbaldehyde, 4-hydroxybenzo[b]thiophene-7-carbaldehyde, 4-hydroxy-benzo[b]thiophene-7-carbaldehyde, Benzo[b]thiophene-7-carboxaldehyde,4-hydroxy-, EOS-60697

4-hydroxy-benzo[b]thiophene-7-carboxaldehyde (CAS 199339-71-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6O2S and a molecular weight of 178.20800 g/mol. It is also known as 4-Hydroxy-1-benzothiophene-7-carbaldehyde, 4-hydroxybenzo[b]thiophene-7-carbaldehyde and 4-hydroxy-benzo[b]thiophene-7-carbaldehyde. Key properties include a boiling point of 372.8ºC at 760 mmHg, a density of 1.447 g/cm3 and a flash point of 179.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 199339-71-4
Jingsj CID: J-1496594-8
Molecular Formula: C₉H₆O₂S
Chinese Name: 4-羟基-苯并[b]噻吩-7-羧醛
Molecular Weight: 178.20800 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	372.8ºC at 760 mmHg
Density	1.447 g/cm3
Flash Point	179.2ºC

Frequently Asked Questions

What is the CAS number of 4-hydroxy-benzo[b]thiophene-7-carboxaldehyde?

The CAS number of 4-hydroxy-benzo[b]thiophene-7-carboxaldehyde is 199339-71-4.

What are the molecular formula and molecular weight of 4-hydroxy-benzo[b]thiophene-7-carboxaldehyde?

4-hydroxy-benzo[b]thiophene-7-carboxaldehyde has molecular formula C9H6O2S and molecular weight 178.20800 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-hydroxy-benzo[b]thiophene-7-carboxaldehyde (CAS 199339-71-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1496594-8 (accessed 2026-10-22).

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