2-chloro-6-ethynylpyrazine

2-氯-6-乙炔基吡嗪

Also known as: (6-Chloropyrazin-2-yl)acetylene, 2-Chloro-6-ethynyl-1,4-diazine, Pyrazine, 2-chloro-6-ethynyl-

2-chloro-6-ethynylpyrazine (CAS 1196157-03-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H3ClN2 and a molecular weight of 138.55400 g/mol. It is also known as (6-Chloropyrazin-2-yl)acetylene, 2-Chloro-6-ethynyl-1,4-diazine and Pyrazine, 2-chloro-6-ethynyl-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1196157-03-5
Jingsj CID: J-1521206-7
Molecular Formula: C₆H₃ClN₂
Chinese Name: 2-氯-6-乙炔基吡嗪
Molecular Weight: 138.55400 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of 2-chloro-6-ethynylpyrazine?

The CAS number of 2-chloro-6-ethynylpyrazine is 1196157-03-5.

What are the molecular formula and molecular weight of 2-chloro-6-ethynylpyrazine?

2-chloro-6-ethynylpyrazine has molecular formula C6H3ClN2 and molecular weight 138.55400 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. "2-chloro-6-ethynylpyrazine (CAS 1196157-03-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1521206-7 (accessed 2026-10-23).

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