Sildenafil Impurity

Sildenafil     CAS No:139755-83-2    ||Chemical Formula:Chemical Formula: C22H30N6O4S    ||Molecular Weight:Molecular Weight: 474.58000    ||Exact Mass:Exact Mass: 474.20492    ||5-(2-ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one    http://www.pipitech.com/sildenafil-.html    

We have following related impurities. Please search for each specific product on this website or visit  http://www.pipitech.com/sildenafil.html  or email to 003@pharmyao.com for more details

PI20001001    Sildenafil     CAS No:139755-83-2    

PI20001002    Sildenafil-1#     CAS No:N/A    

PI20001003    Sildenafil Impurity 11    CAS No:N/A    

PI20001004    Sildenafil Impurity B(Sildenafil N-Oxide)    CAS No:1094598-75-0    

PI20001005    Sildenafil Impurity 16    CAS No:N/A    

PI20001006    Sildenafil Impurity 3    CAS No:N/A    

PI20001007    Sildenafil Impurity 4    CAS No:N/A    

PI20001008    Sildenafil Impurity 1    CAS No:N/A    

PI20001009    Sildenafil Impurity 2    CAS No:N/A    

PI20001010    Sildenafil Carboxylic Acid Derivative    CAS No:147676-78-6