Sildenafil EP Impurity B ;Sildenafil N-Oxide ; 5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one | 1094598-75-0
Description
Code: JCSDF-14 |
CAS: 1094598-75-0 |
Chemical Formula: C22H30N6O5S |
Molecular Weight: 490.58 |
Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities |
Literature: |
Application: Sildenafil EP Impurity B ;Sildenafil N-Oxide ; 5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one | 1094598-75-0 is useful as reference Impurity standard. |