4-[(2-Ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

4-[(2-乙氧基苯甲酰)氨基]-1-甲基-3-丙基-1H-吡唑-5-甲酰胺

Also known as: Sildenafil di-amide impurity, Sildenafil carboxamide impurity, Sildenafil impurity 28, 4-(2-Ethoxybenzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide, 4-(2-Ethoxybenzamido)-1-methyl-3-n-propylpyrazole-5-carboxamide, 4-[(2-Ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide, 4-[(2-ethoxybenzoyl)amino]-2-methyl-5-propylpyrazole-3-carboxamide, 1H-pyrazole-5-carboxamide, 4-[(2-ethoxybenzoyl)amino]-1-methyl-3-propyl-

4-[(2-Ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide (CAS 139756-03-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H22N4O3 and a molecular weight of 330.382 g/mol. It is also known as Sildenafil di-amide impurity, Sildenafil carboxamide impurity and Sildenafil impurity 28. Key properties include a melting point of 153-155 °C, a boiling point of 445.5±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 223.2±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

139756-03-9

Jingsj CID

J-1356503-3

Molecular Formula

C₁₇H₂₂N₄O₃

Chinese Name

4-[(2-乙氧基苯甲酰)氨基]-1-甲基-3-丙基-1H-吡唑-5-甲酰胺

Molecular Weight

330.382 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026