5-ethynylpyrimidin-2-amine

5-乙炔基嘧啶-2-胺

Also known as: 2-Pyrimidinamine,5-ethynyl-, 2-amino-5-ethynylpyrimidine, 5-ETHYNYL-2-PYRIMIDINAMINE, 5-Ethynyl-2-pyrimidinamine, 5-ethynylpyrimidin-2-amine

5-ethynylpyrimidin-2-amine (CAS 857265-74-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5N3 and a molecular weight of 119.12400 g/mol. It is also known as 2-Pyrimidinamine,5-ethynyl-, 2-amino-5-ethynylpyrimidine and 5-ETHYNYL-2-PYRIMIDINAMINE. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 857265-74-8
Jingsj CID: J-1381911-4
Molecular Formula: C₆H₅N₃
Chinese Name: 5-乙炔基嘧啶-2-胺
Molecular Weight: 119.12400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-ethynylpyrimidin-2-amine?

The CAS number of 5-ethynylpyrimidin-2-amine is 857265-74-8.

What are the molecular formula and molecular weight of 5-ethynylpyrimidin-2-amine?

5-ethynylpyrimidin-2-amine has molecular formula C6H5N3 and molecular weight 119.12400 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-ethynylpyrimidin-2-amine (CAS 857265-74-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1381911-4 (accessed 2026-10-25).

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