| QCC Cat No.: | QS040618 | Chemical Name: | Sildenafil Impurity 18 | Synonyms: | methyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonate | CAS No.: | 2512206-40-3 | Molecular Formula: | C18H22N4O5S | Molecular Weight: | 406.46 | ================================================ | Standard Reference Material For "Sildenafil Impurity 18" Warning:The form of the product salt may be different from the official website,please consult your local agent for details. |
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