ethyl 1-(tert-butyl)-5-cyano-1H-pyrazole-4-carboxylate

5-氰基-1-叔丁基-1H-吡唑-4-羧酸乙酯

Also known as: ethyl 1-tert-butyl-5-cyano-1H-pyrazole-4-carboxylate, ethyl 5-cyano-1-tert-butyl-1H-pyrazole-4-carboxylate, ethyl 5-cyano-1-(1,1-dimethylethyl)-1H-pyrazole-4-carboxylate, 1-tert-butyl-5-cyano-1H-pyrazole-4-carboxylic acid ethyl ester, ethyl 1-tert-butyl-5-cyanopyrazole-4-carboxylate, 1H-pyrazole-4-carboxylic acid, 5-cyano-1-(1,1-dimethylethyl)-, ethyl ester

ethyl 1-(tert-butyl)-5-cyano-1H-pyrazole-4-carboxylate (CAS 98477-12-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H15N3O2 and a molecular weight of 221.25600 g/mol. It is also known as ethyl 1-tert-butyl-5-cyano-1H-pyrazole-4-carboxylate, ethyl 5-cyano-1-tert-butyl-1H-pyrazole-4-carboxylate and ethyl 5-cyano-1-(1,1-dimethylethyl)-1H-pyrazole-4-carboxylate. Key properties include a boiling point of 362.3ºC at 760 mmHg, a density of 1.11g/cm3 and a flash point of 172.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

98477-12-4

Jingsj CID

J-1312735-2

Molecular Formula

C₁₁H₁₅N₃O₂

Chinese Name

5-氰基-1-叔丁基-1H-吡唑-4-羧酸乙酯

Molecular Weight

221.25600 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026