| Company Name: |
ChemStrong Scientific Co.,Ltd
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| Tel: |
0755-66853366 13670046396 |
| Email: |
sales@chem-strong.com |
| Products Intro: |
Product Name:Sildenafil Impurity 20
CAS:263897-18-3
Purity:95% HPLC Package:10mg;25mg;50mg;100mg
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| Company Name: |
Shanghai Xiang Xin Industrial Co., Ltd.
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| Tel: |
021-50211651 13651607026 |
| Email: |
sales@xxgmpharm.com |
| Products Intro: |
Product Name:Sildenafil Impurity F
CAS:263897-18-3
Purity:98% HPLC Package:25mg/;50mg/;100mg/
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| Company Name: |
Shijiazhuang yaoBo Pharmaceutical Co., Ltd.
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| Tel: |
15633056635 |
| Email: |
2880679888@qq.com |
| Products Intro: |
Product Name:Sildenafil Impurity F
CAS:263897-18-3
Purity:95%+ Package:25mg;50mg;100mg Remarks:1000mg
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| Company Name: |
SHENZHEN PHYSTANDARD BIO-TECH CO.,LTD
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| Tel: |
0755-0755-0755-83725350 13380397412 |
| Email: |
3001280422@qq.com |
| Products Intro: |
Product Name:Sildenafil Impurity E
CAS:263897-18-3
Purity:98% HPLC Package:10mg;25mg;50mg
|
| Company Name: |
Shanghai YuZn Pharm. Technology Co.,Ltd.
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| Tel: |
15921286451; 15921286451 |
| Email: |
2010681527@qq.com |
| Products Intro: |
Product Name:Sildenafil Impurity F
CAS:263897-18-3
Purity:96% Package:100mg, 500mg
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| | Sildenafil Impurity F Basic information |
| Product Name: | Sildenafil Impurity F | | Synonyms: | Sildenafil Impurity F;Sildenafil Impurity 19/1,6-Dihydro-5-[2-methoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one;1,6-Dihydro-5-[2-methoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one;7H-Pyrazolo[4,3-d]pyrimidin-7-one, 1,6-dihydro-5-[2-methoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1-methyl-3-propyl- | | CAS: | 263897-18-3 | | MF: | C21H28N6O4S | | MW: | 460.55 | | EINECS: | | | Product Categories: | | | Mol File: | 263897-18-3.mol |  |
| | Sildenafil Impurity F Chemical Properties |
| Boiling point | 665.7±65.0 °C(Predicted) | | density | 1.42±0.1 g/cm3(Predicted) | | pka | 5.99±0.42(Predicted) |
| | Sildenafil Impurity F Usage And Synthesis |
| Uses | 1,6-Dihydro-5-[2-methoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one is a structural analogue of Sildenafil (S435001), and is a water-compatible molecularly imprinted polymer (MIP) used as a solid-phase extraction sorbent for selective extraction of Sildenafil and its desmethyl metabolites from plasma samples. |
| | Sildenafil Impurity F Preparation Products And Raw materials |
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