| QCC Cat No.: | QS041404 | Chemical Name: | Sildenafil Impurity D | Synonyms: | 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzene-1-sulfonyl chloride | CAS No.: | 139756-22-2 | Molecular Formula: | C17H19ClN4O4S | Molecular Weight: | 410.88 | ================================================ | Standard Reference Material For "Sildenafil Impurity D" 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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