1-Ethyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid

1-乙基-3-(三氟甲基)-1H-吡唑-5-羧酸

Also known as: 2-Ethyl-5-(trifluoromethyl)pyrazole-3-carboxylic acid, 1-Ethyl-3-(trifluoromethyl)pyrazole-5-carboxylic acid, 1-Ethyl-3-trifluoromethylpyrazol-5-yl carboxylic acid, 1H-Pyrazole-5-carboxylic acid, 1-ethyl-3-(trifluoromethyl)-

1-Ethyl-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acid (CAS 128694-66-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7F3N2O2 and a molecular weight of 208.13800 g/mol. It is also known as 2-Ethyl-5-(trifluoromethyl)pyrazole-3-carboxylic acid, 1-Ethyl-3-(trifluoromethyl)pyrazole-5-carboxylic acid and 1-Ethyl-3-trifluoromethylpyrazol-5-yl carboxylic acid. Key properties include a boiling point of 297.8ºC at 760 mmHg, a density of 1.48g/cm3 and a flash point of 133.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

128694-66-6

Jingsj CID

J-1037957-2

Molecular Formula

C₇H₇F₃N₂O₂

Chinese Name

1-乙基-3-(三氟甲基)-1H-吡唑-5-羧酸

Molecular Weight

208.13800 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026