1-Methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxylic acid ethyl ester

1-甲基-3-(2-甲基丙基)-1H-吡唑-5-羧酸乙酯

Also known as: 1-Methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxylic acid ethyl ester, 1H-Pyrazole-5-carboxylic acid, 1-methyl-3-(2-methylpropyl)-, ethyl ester, ethyl 2-methyl-5-(2-methylpropyl)pyrazole-3-carboxylate, ethyl 3-isobutyl-1-methyl-1H-pyrazole-5-carboxylate

1-Methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxylic acid ethyl ester (CAS 133261-09-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H18N2O2 and a molecular weight of 210.27300 g/mol. It is also known as 1H-Pyrazole-5-carboxylic acid, 1-methyl-3-(2-methylpropyl)-, ethyl ester, ethyl 2-methyl-5-(2-methylpropyl)pyrazole-3-carboxylate and ethyl 3-isobutyl-1-methyl-1H-pyrazole-5-carboxylate. Key properties include a boiling point of 311.5±30.0 °C(Predicted) and a density of 1.06±0.1 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

133261-09-3

Jingsj CID

J-1036298-9

Molecular Formula

C₁₁H₁₈N₂O₂

Chinese Name

1-甲基-3-(2-甲基丙基)-1H-吡唑-5-羧酸乙酯

Molecular Weight

210.27300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026