Catalogue Number: | S-0663 |
Compound Name: | Sildenafil Impurity 16 |
Synonyms: | methyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonate |
CAS#: | |
Alternate CAS#: | |
Molecular Formula: | C18H22N4O5S |
Molecular Weight: | 406.46 |
Sildenafil EP Impurity A (Sildenafil USP Related Compound A, Isobutyl Sildenafil)
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C23H32N6O4S
M.W. 488.61
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M.W. 534.69