Catalogue Number: | S-06190 |
Compound Name: | Sildenafil EP Impurity D Sodium Salt |
Synonyms: | 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonate, sodium salt (1:1) |
CAS#: | |
Alternate CAS#: | 1357931-55-5 (free acid) |
Molecular Formula: | C17H19N4O5S. Na |
Molecular Weight: | 391.42 22.99 |
Sildenafil EP Impurity A (Sildenafil USP Related Compound A, Isobutyl Sildenafil)
CAS No. 1391053-95-4
C23H32N6O4S
M.W. 488.61
Sildenafil Analogue I (Propoxyphenyl-Thiohydroxyhomo Sildenafil)
CAS No. 479073-90-0
C24H34N6O4S2
M.W. 534.69