Sildenafil Citrate Impurity 3

Impurity in commercial preparation of Sildenafil.

Catalog Number CS-O-14094
Alternative Name(s) Sildenafil Citrate Impurity 3;(E)-4-((2-ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzylidene)amino)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide.
Molecular Formula C22H32N6O4S
CAS# 332374-45-5
Purity >98%
SMILES CCOC1=C(/C=N/C(C(CCC)=NN2C)=C2C(N)=O)C=C([S](=O)(N3CCN(C)CC3)=O)C=C1
Size 500 g
Supplier Page https://www.clearsynth.com/en/CSO14094.html