5-Chloro-2-ethynylpyridine

5-氯-2-乙炔吡啶

Also known as: (5-Chloropyridin-2-yl)acetylene, Pyridine, 5-chloro-2-ethynyl-, 5-chloro-2-ethynyl-pyridine, 5-Chloro-2-ethynylpyridine, F-5086, DA-17679, MFCD13189715

5-Chloro-2-ethynylpyridine (CAS 1196153-33-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H4ClN and a molecular weight of 137.56600 g/mol. It is also known as (5-Chloropyridin-2-yl)acetylene, Pyridine, 5-chloro-2-ethynyl- and 5-chloro-2-ethynyl-pyridine. Key property: a boiling point of 193.1±25.0°C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1196153-33-9
Jingsj CID
J-1307505-1
Molecular Formula
C7H4ClN
Chinese Name
5-氯-2-乙炔吡啶
Molecular Weight
137.56600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point193.1±25.0°C at 760 mmHg

Frequently Asked Questions

What is the CAS number of 5-Chloro-2-ethynylpyridine?

The CAS number of 5-Chloro-2-ethynylpyridine is 1196153-33-9.

What are the molecular formula and molecular weight of 5-Chloro-2-ethynylpyridine?

5-Chloro-2-ethynylpyridine has molecular formula C7H4ClN and molecular weight 137.56600 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Chloro-2-ethynylpyridine (CAS 1196153-33-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1307505-1 (accessed 2026-10-26).

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