1-[1-Ethyl-5-(trifluoromethyl)-1H-pyrazol-4-yl]ethanone

1-[1-乙基-5-(三氟甲基)-1H-吡唑-4-基]乙酮

1-[1-Ethyl-5-(trifluoromethyl)-1H-pyrazol-4-yl]ethanone (CAS 1781138-49-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9F3N2O and a molecular weight of 206.16 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1781138-49-5
Jingsj CID: J-688213-8
Molecular Formula: C₈H₉F₃N₂O
Chinese Name: 1-[1-乙基-5-(三氟甲基)-1H-吡唑-4-基]乙酮
Molecular Weight: 206.16 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 1-[1-Ethyl-5-(trifluoromethyl)-1H-pyrazol-4-yl]ethanone?

The CAS number of 1-[1-Ethyl-5-(trifluoromethyl)-1H-pyrazol-4-yl]ethanone is 1781138-49-5.

What are the molecular formula and molecular weight of 1-[1-Ethyl-5-(trifluoromethyl)-1H-pyrazol-4-yl]ethanone?

1-[1-Ethyl-5-(trifluoromethyl)-1H-pyrazol-4-yl]ethanone has molecular formula C8H9F3N2O and molecular weight 206.16 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. "1-[1-Ethyl-5-(trifluoromethyl)-1H-pyrazol-4-yl]ethanone (CAS 1781138-49-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-688213-8 (accessed 2026-10-24).

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