5-Ethynyl-1-methyl-3-trifluoromethyl-1H-pyrazole

5-乙炔基-1-甲基-3-三氟甲基-1H-吡唑

Also known as: 1H-Pyrazole, 5-ethynyl-1-methyl-3-(trifluoromethyl)-

5-Ethynyl-1-methyl-3-trifluoromethyl-1H-pyrazole (CAS 1855889-41-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5F3N2 and a molecular weight of 174.12 g/mol. It is also known as 1H-Pyrazole, 5-ethynyl-1-methyl-3-(trifluoromethyl)-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1855889-41-6
Jingsj CID: J-338415-4
Molecular Formula: C₇H₅F₃N₂
Chinese Name: 5-乙炔基-1-甲基-3-三氟甲基-1H-吡唑
Molecular Weight: 174.12 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-1-methyl-3-trifluoromethyl-1H-pyrazole?

The CAS number of 5-Ethynyl-1-methyl-3-trifluoromethyl-1H-pyrazole is 1855889-41-6.

What are the molecular formula and molecular weight of 5-Ethynyl-1-methyl-3-trifluoromethyl-1H-pyrazole?

5-Ethynyl-1-methyl-3-trifluoromethyl-1H-pyrazole has molecular formula C7H5F3N2 and molecular weight 174.12 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-1-methyl-3-trifluoromethyl-1H-pyrazole (CAS 1855889-41-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-338415-4 (accessed 2026-10-24).

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