2-Chloro-1-(3,5-dimethyl-1H-pyrazol-1-yl)ethanone

2-氯-1-(3,5-二甲基-1H-吡唑-1-基)乙酮

Also known as: 1H-Pyrazole, 1-(chloroacetyl)-3,5-dimethyl- (9CI), 1-chloromethylcarbonyl-3,5-dimethylpyrazole, 2-chloro-1-(3,5-dimethylpyrazol-1-yl)ethanone, Ethanone, 2-chloro-1-(3,5-dimethyl-1H-pyrazol-1-yl)-

2-Chloro-1-(3,5-dimethyl-1H-pyrazol-1-yl)ethanone (CAS 36140-55-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9ClN2O and a molecular weight of 172.61200 g/mol. It is also known as 1H-Pyrazole, 1-(chloroacetyl)-3,5-dimethyl- (9CI), 1-chloromethylcarbonyl-3,5-dimethylpyrazole and 2-chloro-1-(3,5-dimethylpyrazol-1-yl)ethanone. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 36140-55-3
Jingsj CID: J-1453059-7
Molecular Formula: C₇H₉ClN₂O
Chinese Name: 2-氯-1-(3,5-二甲基-1H-吡唑-1-基)乙酮
Molecular Weight: 172.61200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-Chloro-1-(3,5-dimethyl-1H-pyrazol-1-yl)ethanone?

The CAS number of 2-Chloro-1-(3,5-dimethyl-1H-pyrazol-1-yl)ethanone is 36140-55-3.

What are the molecular formula and molecular weight of 2-Chloro-1-(3,5-dimethyl-1H-pyrazol-1-yl)ethanone?

2-Chloro-1-(3,5-dimethyl-1H-pyrazol-1-yl)ethanone has molecular formula C7H9ClN2O and molecular weight 172.61200 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. "2-Chloro-1-(3,5-dimethyl-1H-pyrazol-1-yl)ethanone (CAS 36140-55-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1453059-7 (accessed 2026-10-24).

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