Sildenafil Dimer Impurity Price Not Available 500 g Sildenafil Dimer Impurity Supplier Page Catalog Number CS-DG-00019 Alternative Name(s) 5-[2-ethoxy-5-[4-[4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl]sulfonylpiperazin-1-yl]sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one Molecular Formula C38H46N10O8S2 CAS# 1346602-67-2 Purity >98% SMILES CCOC1=C(C(NC2=C3N(C)N=C2CCC)=NC3=O)C=C([S](=O)(N4CCN([S](=O)(C5=CC(C(NC6=C7N(C)N=C6CCC)=NC7=O)=C(OCC)C=C5)=O)CC4)=O)C=C1 Size 500 g Supplier Page https://www.clearsynth.com/en/CSDG00019.html