Sildenafil impurity
- CAS NO.：1971915-89-5
- Empirical Formula: C19H24N4O5S
- Molecular Weight: 420.48
- Update Date: 2023-04-23 13:52:06
What is Sildenafil impurity?
The Uses of Sildenafil impurity
3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-ethyl ester Benzenesulfonic acid is used in the preparation of sildenafil impurity for pharmaceutical quality control by esterification.
Properties of Sildenafil impurity
| Melting point: | 149 - 152°C |
| Boiling point: | 624.0±65.0 °C(Predicted) |
| Density | 1.37±0.1 g/cm3(Predicted) |
| storage temp. | Hygroscopic, -20°C Freezer, Under inert atmosphere |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | 0.36±0.20(Predicted) |
| color | White to Off-White |
Safety information for Sildenafil impurity
Computed Descriptors for Sildenafil impurity
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![5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one](https://img.chemicalbook.in/CAS/20130318/GIF/CB12622733.gif)
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