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Ethyl 2-(4-chloro-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate

4-氯-5-甲基-3-(三氟甲基)-1H-吡唑-1-乙酸乙酯

Also known as: Ethyl [4-chloro-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]acetate, ethyl 2-(4-chloro-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate, 2-[4-chloro-5-methyl-3-(trifluoromethyl)-1-pyrazolyl]acetic acid ethyl ester, 2-[4-chloro-5-methyl-3-(trifluoromethyl)pyrazol-1-yl]acetic acid ethyl ester, (4-Chloro-5-methyl-3-trifluoromethyl-pyrazol-1-yl)-acetic acid ethyl ester, 1H-Pyrazole-1-acetic acid, 4-chloro-5-methyl-3-(trifluoromethyl)-, ethyl ester, BAS 01058354, SBB009395, ZINC00215757, MFCD01527957

Ethyl 2-(4-chloro-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate (CAS 345237-74-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H10ClF3N2O2 and a molecular weight of 270.63600 g/mol. It is also known as Ethyl [4-chloro-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl]acetate, ethyl 2-(4-chloro-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate and 2-[4-chloro-5-methyl-3-(trifluoromethyl)-1-pyrazolyl]acetic acid ethyl ester. Key properties include a boiling point of 298.9ºC at 760 mmHg, a density of 1.42g/cm3 and a flash point of 134.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
345237-74-3
Jingsj CID
J-1624266-7
Molecular Formula
C9H10ClF3N2O2
Chinese Name
4-氯-5-甲基-3-(三氟甲基)-1H-吡唑-1-乙酸乙酯
Molecular Weight
270.63600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point298.9ºC at 760 mmHg
Density1.42g/cm3
Flash Point134.6ºC

Frequently Asked Questions

What is the CAS number of Ethyl 2-(4-chloro-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate?

The CAS number of Ethyl 2-(4-chloro-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate is 345237-74-3.

What are the molecular formula and molecular weight of Ethyl 2-(4-chloro-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate?

Ethyl 2-(4-chloro-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate has molecular formula C9H10ClF3N2O2 and molecular weight 270.63600 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Ethyl 2-(4-chloro-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)acetate (CAS 345237-74-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1624266-7 (accessed 2026-10-22).

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