| QCC Cat No.: | QS041402 | Chemical Name: | Sildenafil Impurity B | Synonyms: | 4-((4-ethoxy-3-(3-isobutyl-1-methyl-7-oxo-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl)sulfonyl)-1-methylpiperazine 1-oxide | CAS No.: | NA | Molecular Formula: | C23H32N6O5S | Molecular Weight: | 504.60 | ================================================ | Standard Reference Material For "Sildenafil Impurity B" Warning:The form of the product salt may be different from the official website,please consult your local agent for details. |
| | |