IMPURITIES

 Catalog Number GS.10.SIL.04
 CAS Number 1357931-55-5
 Catalogue Name / Chemical Name Sildenafil EP Impurity D
 Synonyms Desmethylpiperazinyl Sildenafil Sulfonic Acid ; 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5- yl)benzenesulfonic Acid ; 3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic Acid
 Molecular Formula C17H20N4O5S
 Molecular Weight 392.43
 Specific Purity NLT 95%
 Inventory Status Ready Stock
 Pack Size 100 MG
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