5-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid

5-(噻吩-2-基)-1H-吡唑-3-羧酸

Also known as: 5-thien-2-yl-1H-pyrazole-3-carboxylic acid, 5-thiophen-2-yl-1H-pyrazole-3-carboxylic acid, 3-(2-thienyl)-1H-pyrazole-5-carboxylic acid, 5-(2-thienyl)-1H-pyrazole-3-carboxylic acid, 5-(2-thienyl)pyrazole-3-carboxylic acid, 3-thien-2-yl-1H-pyrazole-5-carboxylic acid, 1H-Pyrazole-3-carboxylic acid, 5-(2-thienyl)-, AKOS PAO-0367, MFCD05170066

5-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid (CAS 182415-24-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O2S and a molecular weight of 194.210 g/mol. It is also known as 5-thien-2-yl-1H-pyrazole-3-carboxylic acid, 5-thiophen-2-yl-1H-pyrazole-3-carboxylic acid and 3-(2-thienyl)-1H-pyrazole-5-carboxylic acid. Key properties include a melting point of 226 - 227ºC, a boiling point of 509.4±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 261.8±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

182415-24-3

Jingsj CID

J-581-4

Molecular Formula

C₈H₆N₂O₂S

Chinese Name

5-(噻吩-2-基)-1H-吡唑-3-羧酸

Molecular Weight

194.210 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026