5-Ethynyl-1H-benzimidazole

5-乙炔基-1H-苯并咪唑

Also known as: 1H-Benzimidazole,5-ethynyl-(9CI), 5-Ethynyl-1H-benzo[d]imidazole, 6-Ethynyl-1H-benzo[d]imidazole, 1H-Benzimidazole,6-ethynyl-, 6-ethynyl-1H-benzimidazole

5-Ethynyl-1H-benzimidazole (CAS 216970-36-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6N2 and a molecular weight of 142.15700 g/mol. It is also known as 1H-Benzimidazole,5-ethynyl-(9CI), 5-Ethynyl-1H-benzo[d]imidazole and 6-Ethynyl-1H-benzo[d]imidazole. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 216970-36-4
Jingsj CID: J-1172689-4
Molecular Formula: C₉H₆N₂
Chinese Name: 5-乙炔基-1H-苯并咪唑
Molecular Weight: 142.15700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-Ethynyl-1H-benzimidazole?

The CAS number of 5-Ethynyl-1H-benzimidazole is 216970-36-4.

What are the molecular formula and molecular weight of 5-Ethynyl-1H-benzimidazole?

5-Ethynyl-1H-benzimidazole has molecular formula C9H6N2 and molecular weight 142.15700 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-Ethynyl-1H-benzimidazole (CAS 216970-36-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1172689-4 (accessed 2026-10-25).

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