Sildenafil N-oxide (Sildenafil Impurity B)
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CAS Number: 1094598-75-0
Molecular Formula: C₂₂H₃₀N₆O₅S
Molecular Weight: 490.58 g/mol
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| CAS Number | 1094598-75-0 |
|---|---|
| Alternate CAS# | NA |
| Molecular Formula | C₂₂H₃₀N₆O₅S |
| Molecular Weight | 490.58 g/mol |
| IUPAC Chemical Name | 4-((4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl)sulfonyl)-1-methylpiperazine 1-oxide |
| Synonyms | Sildenafil EP Impurity B |
| USP Name | NA |
| EP Name |
Sildenafil EP Impurity B
|
| Appearance Specifications | White to off-white solid |
| Storage Condition | Refrigerator, Under Inert Atmosphere |
| Material Type | Impurity standard |
| Melting Point | 193-198°C |
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