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2-(5-Ethynylthiophen-2-yl)pyridine

2-(5-乙炔基噻吩-2-基)吡啶

Also known as: 2-(5-ETHYNYLTHIEN-2-YL)PYRIDINE, 2-Ethynyl-5-(pyridin-2-yl)thiophene, 5-ethynyl-2-(2-pyridyl)thiophene, Pyridine, 2-(5-ethynyl-2-thienyl)-

2-(5-Ethynylthiophen-2-yl)pyridine (CAS 132464-90-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H7NS and a molecular weight of 185.24500 g/mol. It is also known as 2-(5-ETHYNYLTHIEN-2-YL)PYRIDINE, 2-Ethynyl-5-(pyridin-2-yl)thiophene and 5-ethynyl-2-(2-pyridyl)thiophene. Key properties include a melting point of 109ºC, a boiling point of 321.3ºC at 760mmHg, a density of 1.22g/cm3 and a flash point of 145ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
132464-90-5
Jingsj CID
J-1379416-1
Molecular Formula
C11H7NS
Chinese Name
2-(5-乙炔基噻吩-2-基)吡啶
Molecular Weight
185.24500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point109ºC
Boiling Point321.3ºC at 760mmHg
Density1.22g/cm3
Flash Point145ºC

Frequently Asked Questions

What is the CAS number of 2-(5-Ethynylthiophen-2-yl)pyridine?

The CAS number of 2-(5-Ethynylthiophen-2-yl)pyridine is 132464-90-5.

What are the molecular formula and molecular weight of 2-(5-Ethynylthiophen-2-yl)pyridine?

2-(5-Ethynylthiophen-2-yl)pyridine has molecular formula C11H7NS and molecular weight 185.24500 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(5-Ethynylthiophen-2-yl)pyridine (CAS 132464-90-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1379416-1 (accessed 2026-10-25).

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