1-ethyl-3-methyl-1H-pyrazole-5-carboxylic acid

1-乙基-3-甲基-1H-吡唑-5-羧酸

Also known as: 1-Ethyl-3-methylpyrazole-5-carboxylic acid, 2-ethyl-5-methylpyrazole-3-carboxylic acid, 2-ethyl-5-methyl-3-pyrazolecarboxylic acid, 1-ethyl-3-methyl-1H-pyrazol-5-carboxylic acid, 2-Aethyl-5-methyl-2H-pyrazole-3-carbonsaeure, MFCD00156147

1-ethyl-3-methyl-1H-pyrazole-5-carboxylic acid (CAS 50920-65-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H10N2O2 and a molecular weight of 154.17 g/mol. It is also known as 1-Ethyl-3-methylpyrazole-5-carboxylic acid, 2-ethyl-5-methylpyrazole-3-carboxylic acid and 2-ethyl-5-methyl-3-pyrazolecarboxylic acid. Key properties include a melting point of 130 °C, a boiling point of 308.5ºC at 760mmHg, a density of 1.23g/cm3 and a flash point of 140.4ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

50920-65-5

Jingsj CID

J-1955789-4

Molecular Formula

C₇H₁₀N₂O₂

Chinese Name

1-乙基-3-甲基-1H-吡唑-5-羧酸

Molecular Weight

154.17 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026