Compound Name: Sildenafil EP Impurity D

Synonyms: 3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic Acid;

CAS Number: 1357931-55-5

Molecular Formula: C17H20N4O5S

Molecular Weight: 392.43

Cat. Number: SIL1004