| Company Name: |
ChemStrong Scientific Co.,Ltd
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| Tel: |
0755-0755-66853366 13670046396 |
| Email: |
sales@chem-strong.com |
| Products Intro: |
Product Name:Sildenafil Impurity 17
CAS:1971915-89-5
Purity:95% HPLC Package:10mg;25mg;50mg;100mg
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| Company Name: |
Shanghai Kewel Chemical Co., Ltd.
|
| Tel: |
021-64609169 18901607656 |
| Email: |
greensnown@163.com |
| Products Intro: |
Product Name:Sildenafil Impurity 17
CAS:1971915-89-5
Purity:95+ HPLC; Package:10mg;25mg;50mg;100mg
|
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| | Sildenafil impurity Basic information |
| Product Name: | Sildenafil impurity | | Synonyms: | Sildenafil-002;Sildenafil Impurity J;Sildenafil impurity 9/
3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-ethyl ester Benzenesulfonic acid;ethyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonate;3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-ethyl ester Benzenesulfonic acid;SildefilImpurity33;Ethyl 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonate;Benzenesulfonic acid, 3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-, ethyl ester | | CAS: | 1971915-89-5 | | MF: | C19H24N4O5S | | MW: | 420.48 | | EINECS: | | | Product Categories: | | | Mol File: | 1971915-89-5.mol |  |
| | Sildenafil impurity Chemical Properties |
| 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 |
| | Sildenafil impurity Usage And Synthesis |
| Uses | 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. |
| | Sildenafil impurity Preparation Products And Raw materials |
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