![Molecular structure of 4-[(2-Ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide (CAS 139756-03-9)](/images/chem_structures_svg/159/139756-03-9.svg)
4-[(2-Ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide
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. 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-1356503-2
- Molecular Formula
- C17H22N4O3
- Molecular Weight
- 330.382 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 153-155 °C |
|---|---|
| Boiling Point | 445.5±45.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 223.2±28.7 °C |
| Exact Mass | 330.169189 |
| PSA | 102.73000 |
| LogP | 2.23 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.598 |
Frequently Asked Questions
What is the CAS number of 4-[(2-Ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide?
The CAS number of 4-[(2-Ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide is 139756-03-9.
What are the molecular formula and molecular weight of 4-[(2-Ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide?
4-[(2-Ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide has molecular formula C17H22N4O3 and molecular weight 330.382 g/mol.
What are the upstream and downstream products of 4-[(2-Ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide?
For 4-[(2-Ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide, Upstream Products: 2-Ethoxybenzoyl chloride, 4-Amino-1-methyl-3-propyl-1H-pyrazole-5-carboxamide, 2-propoxybenzoyl chloride; Downstream Products: Hydroxyhomosildenafil, 5-(2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-[(2-Ethoxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide (CAS 139756-03-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356503-2 (accessed 2026-11-09).
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