| Product ID: | FY-SIL05 |
| Chemical Name: | Sildenafil Impurity 5/Sildenafil EP Impurity F |
| Synonyms: | N-Desmethyl Sildenafil/5-[2-Ethoxy-5-(piperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[5,4-e]pyrimidin-7-one |
| Cas No.: | 139755-82-1 |
| Molecular Formula: | C21H28N6O4S |
| Molecular Weight: | 460.55 |
| Specification: | 95% |
| Molecular Structure: |  |
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