4-[2-Ethoxy-3-(1-piperazinylsulfonyl)benzoamido]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide is an impurity of Sildenafil. Molecular Formula: C21H30N6O5S Molecular Weight: 478.57 Storage and Stability: Store at -20C. For maximum recovery of product, centrifuge the original vial prior to removing the cap.
Molecular Weight:
478.57
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