Sildenafil EP Impurity D

Impurity in commercial preparation of Sildenafil.

Price Not Available 500 g Sildenafil EP Impurity D Supplier Page
Catalog Number CS-O-14710
Alternative Name(s) 3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic acid;Sildenafil Impurity D;Desmethylpiperazinyl Sildenafil Sulfonic Acid.
Molecular Formula C17H20N4O5S
CAS# 1357931-55-5
Purity >98%
SMILES CCCC1=NN(C)C2=C1NC(C(C=C([S](=O)(O)=O)C=C3)=C3OCC)=NC2=O
Size 500 g
Supplier Page https://www.clearsynth.com/en/CSO14710.html