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| Chemical manufacturer since 2018 | ||||
| Name | Sildenafil Impurity 21 |
|---|---|
| Synonyms | 4-[(2-Hydroxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide |
| Molecular Structure | ![]() |
| Molecular Formula | C15H18N4O3 |
| Molecular Weight | 302.33 |
| CAS Registry Number | 269394-18-5 |
| SMILES | O=C(c2c(NC(=O)c1ccccc1O)c(nn2C)CCC)N |
| Solubility | 174.3 mg/L (25 °C water) |
|---|---|
| Density | 1.3±0.1 g/cm3, Calc.* |
| Index of Refraction | 1.640, Calc.* |
| Melting point | 244.04 °C |
| Boiling Point | 567.32 °C, 428.1±45.0 °C (760 mmHg), Calc.* |
| Flash Point | 212.7±28.7 °C, Calc.* |
| * | Calculated using Advanced Chemistry Development (ACD/Labs) Software. |
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| List of Reports Available for Sildenafil Impurity 21 |