IMPURITIES

 Catalog Number GS.10.SIL.43
 CAS Number 139756-21-1
 Catalogue Name / Chemical Name Sildenafil Lactam Impurity
 Synonyms 5-(2-Ethoxy-phenyl)-1-methyl-3-propyl-1,6-dihydro-pyrazolo[4,3-d]pyrimidin-7-one ; 5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazole[4,3-d]pyrimidine-7-one
 Molecular Formula C17H20N4O2
 Molecular Weight 312.37
 Specific Purity NLT 95%
 Inventory Status Ready Stock
 Pack Size 100 MG
 Rel. CAS No. ( Optional )