Sildenafil EP Impurity D
Categories: All, API Standards, Impurity Standards, Metabolites
- Product Name : Sildenafil EP Impurity D
- Chemical Name : Demethylpiperazinyl Sildenafil Sulfonic Acid
- Molecular Formula : C₁₇H₂₀N₄O₅S
- Molecular Weight : 392.43
- CAS Number : 1357931-55-5
- Unit Size : 25MG, 50MG (CUSTOMISED)
- Storage Conditions : 4°C, Hygroscopic
- Synonyms : 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid; Sildenafil citrate impurity D [EP]; Demethylpiperazinyl Sildenafil Sulfonic Acid; 3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic Acid; Benzenesulfonic acid, 3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-; 3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic acid