Catalogue Number: | S-0646 |
Compound Name: | Sildenafil EP Impurity A (Sildenafil USP Related Compound A, Isobutyl Sildenafil) |
Synonyms: | 5-(2-ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-3-isobutyl-1-methyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one |
CAS#: | 1391053-95-4 |
Alternate CAS#: | |
Molecular Formula: | C23H32N6O4S |
Molecular Weight: | 488.61 |
Sildenafil Analogue I (Propoxyphenyl-Thiohydroxyhomo Sildenafil)
CAS No. 479073-90-0
C24H34N6O4S2
M.W. 534.69