1-Methyl-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride

1-甲基-5-(三氟甲基)-1H-吡唑-4-羰酰氯

Also known as: 1-methyl-5-(trifluoromethyl)pyrazole-4-carbonyl chloride

1-Methyl-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride (CAS 840489-25-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4ClF3N2O and a molecular weight of 212.55700 g/mol. It is also known as 1-methyl-5-(trifluoromethyl)pyrazole-4-carbonyl chloride. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 840489-25-0
Jingsj CID: J-1514251-9
Molecular Formula: C₆H₄ClF₃N₂O
Chinese Name: 1-甲基-5-(三氟甲基)-1H-吡唑-4-羰酰氯
Molecular Weight: 212.55700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 1-Methyl-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride?

The CAS number of 1-Methyl-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride is 840489-25-0.

What are the molecular formula and molecular weight of 1-Methyl-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride?

1-Methyl-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride has molecular formula C6H4ClF3N2O and molecular weight 212.55700 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-Methyl-5-(trifluoromethyl)-1H-pyrazole-4-carbonyl chloride (CAS 840489-25-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1514251-9 (accessed 2026-10-25).

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