SDF02: Sildenafil EP Impurity B

SDF02: Sildenafil EP Impurity B

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$100.00
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Sildenafil Impurity B ;

Sildenafil N-Oxide ;

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 # 1094598-75-0 ;

C22H30N6O5S ;

MW: 490.58 ;