IMPURITIES

 Catalog Number GS.10.SIL.01
 CAS Number 1391053-95-4
 Catalogue Name / Chemical Name Sildenafil EP Impurity A
 Synonyms Sildenafil USP Related Compound A ; Isobutyl Sildenafil ; 5-[2-Ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-(2-methylpropyl)-7H-pyrazolo[4,3-d]pyrimidin-7-one ; 5-[2-Ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl]-1-methyl-3-(2-methylpropyl)-6,7-dihydro-1H -pyrazolo[4,3-d]pyrimidin-7-one
 Molecular Formula C23H32N6O4S
 Molecular Weight 488.6
 Specific Purity QC Pending
 Inventory Status 8-10 Days
 Pack Size 100 MG
 Rel. CAS No. ( Optional )