5-Chloro-3-ethynylpyrazin-2-amine

5-氯-3-乙炔基吡嗪-2-胺

Also known as: 5-Chloro-3-ethynyl-2-pyrazinamine, 2-Pyrazinamine, 5-chloro-3-ethynyl-

5-Chloro-3-ethynylpyrazin-2-amine (CAS 1244776-65-5) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H4ClN3 and a molecular weight of 153.56900 g/mol. It is also known as 5-Chloro-3-ethynyl-2-pyrazinamine and 2-Pyrazinamine, 5-chloro-3-ethynyl-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1244776-65-5
Jingsj CID: J-1033170-5
Molecular Formula: C₆H₄ClN₃
Chinese Name: 5-氯-3-乙炔基吡嗪-2-胺
Molecular Weight: 153.56900 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-Chloro-3-ethynylpyrazin-2-amine?

The CAS number of 5-Chloro-3-ethynylpyrazin-2-amine is 1244776-65-5.

What are the molecular formula and molecular weight of 5-Chloro-3-ethynylpyrazin-2-amine?

5-Chloro-3-ethynylpyrazin-2-amine has molecular formula C6H4ClN3 and molecular weight 153.56900 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. "5-Chloro-3-ethynylpyrazin-2-amine (CAS 1244776-65-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1033170-5 (accessed 2026-10-25).

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