IMPURITIES

 Catalog Number GS.10.SIL.02
 CAS Number 1094598-75-0
 Catalogue Name / Chemical Name Sildenafil EP Impurity B
 Synonyms Sildenafil N-Oxide ; 5-[2-Ethoxy-5-(4-methyl-4-oxy-piperazine-1-sulfonyl)-phenyl]-1-methyl-3-propyl-1,6-dihydro-pyrazolo[4,3-d]pyrimidin-7-one ; 1-Methyl-4-[[4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d] pyrimidin-5-yl)phenyl]sulfonyl]piperazine-1-oxide ; 1-{[3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H -pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl}-4-methylpiperazine N4-oxide
 Molecular Formula C22H30N6O5S
 Molecular Weight 490.58
 Specific Purity NLT 95%
 Inventory Status Ready Stock
 Pack Size 100 MG
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