3,4-Dimethyl-1H-pyrazole-5-carboxylic acid

3,4-二甲基-1H-吡唑-5-羧酸

Also known as: 4,5-Dimethyl-1H-pyrazole-3-carboxylic acid, 4,5-Dimethylpyrazole-3-carboxylic acid, 3,4-Dimethylpyrazole-5-carboxylic acid, 1H-Pyrazole-3-carboxylic acid, 4,5-dimethyl-

3,4-Dimethyl-1H-pyrazole-5-carboxylic acid (CAS 89831-40-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O2 and a molecular weight of 140.140 g/mol. It is also known as 4,5-Dimethyl-1H-pyrazole-3-carboxylic acid, 4,5-Dimethylpyrazole-3-carboxylic acid and 3,4-Dimethylpyrazole-5-carboxylic acid. Key properties include a melting point of 276-277°C, a boiling point of 385.4±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 186.9±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

89831-40-3

Jingsj CID

J-1084372-5

Molecular Formula

C₆H₈N₂O₂

Chinese Name

3,4-二甲基-1H-吡唑-5-羧酸

Molecular Weight

140.140 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026