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4-(2-Phenyleth-1-ynyl)thiophene-2-carbaldehyde

4-(2-苯乙炔基)噻吩-2-甲醛

Also known as: 4-(2-Phenylethynyl)-2-thiophenecarboxaldehyde, 4-(Phenylethynyl)thiophene-2-carboxaldehyde, 4-(phenylethynyl)thiophene-2-carbaldehyde, 4-(Phenylethynyl)thiophene-2-carbaldehyde, 4-phenylethynyl-thiophene-2-carbaldehyde, BUTTPARK 46\04-43

4-(2-Phenyleth-1-ynyl)thiophene-2-carbaldehyde (CAS 175203-58-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H8OS and a molecular weight of 212.26700 g/mol. It is also known as 4-(2-Phenylethynyl)-2-thiophenecarboxaldehyde, 4-(Phenylethynyl)thiophene-2-carboxaldehyde and 4-(phenylethynyl)thiophene-2-carbaldehyde. Key properties include a boiling point of 388.6ºC at 760 mmHg, a density of 1.24g/cm3 and a flash point of 188.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
175203-58-4
Jingsj CID
J-1524309-4
Molecular Formula
C13H8OS
Chinese Name
4-(2-苯乙炔基)噻吩-2-甲醛
Molecular Weight
212.26700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point388.6ºC at 760 mmHg
Density1.24g/cm3
Flash Point188.8ºC

Frequently Asked Questions

What is the CAS number of 4-(2-Phenyleth-1-ynyl)thiophene-2-carbaldehyde?

The CAS number of 4-(2-Phenyleth-1-ynyl)thiophene-2-carbaldehyde is 175203-58-4.

What are the molecular formula and molecular weight of 4-(2-Phenyleth-1-ynyl)thiophene-2-carbaldehyde?

4-(2-Phenyleth-1-ynyl)thiophene-2-carbaldehyde has molecular formula C13H8OS and molecular weight 212.26700 g/mol.

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

Last updated:

How to cite: Jingsj. "4-(2-Phenyleth-1-ynyl)thiophene-2-carbaldehyde (CAS 175203-58-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524309-4 (accessed 2026-10-25).

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