N-Nitroso Sildenafil Impurity 1

Name of Impurity/Standard N-Nitroso Sildenafil Impurity 1
CAS No. NA
Molecular Formula C21H27N7O5S
Molecular Weight 489.6 g/mol
Synonyms: 5-(2-Ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-nitroso-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one