| QCC Cat No.: | QS040602 | Chemical Name: | Sildenafil EP Impurity B | Synonyms: | 5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one | CAS No.: | 1094598-75-0 | Molecular Formula: | C22H30N6O5S | Molecular Weight: | 490.58 | ================================================ | Standard Reference Material For "Sildenafil EP Impurity B" 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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