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
New Products
Tubulysin E (R)-tert-butyl (4-methyl-1-oxopentan-3-yl)carbamate Tubulysin B Tubulysin M Tubulysin I 2,2-Difluoropropanol 1-(1,1-Difluoroethyl)-2-fluorobenzene 4-(Benzyloxy)-3-bromophenylacetic Acid 3-METHYLAZETIDIN-3-OL HYDROCHLORIDE 3-N-BOC-(S)-AMINO BUTYRONITRILE Methyl (R)-1-Boc-4,4-difluoropyrrolidine-2-carboxylate Imeglimin Hydrochloride IH 2-(1-(Mercaptomethyl) cyclopropyl) acetonitrile Fuel shell 2-[[(3aR,4S,6R,6aS)-6-Aminotetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]ethanol ethanedioate (1R,2S)-2-(3,4-Difluorophenyl)cyclopropanamine 2-[2-[3(S)-3[2-(7-chloro-2-quinolinyl) ethenyl] phenyl-3- hydroxyl propyl] phenyl]-2-propanol 1-tosyl-3-(R)-(-)- hydroxypyrrolidine 1-(2,3-Dihydro- benzofuran-5-yl) -ethanone Lubiprostone Magnesium Trisilicate Latanoprostene Bunod Flame Retardant Zinc Borate 7-Methoxyquinoline-4-carboxylic acidRelated products of tetrahydrofuran
![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)
![4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonamide](https://img.chemicalbook.in/CAS/20180719/GIF/372089-76-4.gif)
![7H-Pyrazolo[4,3-d]pyrimidin-7-one, 1,6-dihydro-5-(2-hydroxyphenyl)-1-methyl-3-propyl-](https://img.chemicalbook.in/CAS/20180529/GIF/139756-26-6.gif)
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