Sildenafil Impurity 4

PI20001007   Sildenafil Impurity 4    CAS No:N/A    ||Chemical Formula:C18H20N4O3S    ||Molecular Weight:372.44300    ||Exact Mass:372.12561    ||4-ethoxy-3-(1-methyl-3-propyl-7-thioxo-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoic acid    http://www.pipitech.com/sildenafil-impurity-4.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