CAS Number
1094598-75-0
Sildenafil N-Oxide
SL Number
CSL-48723
Category
impurity
Molecular Formula
C22H30N6O5S
Molecular Weight
490.58
Description
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; Sildenafil EP Impurity B;
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