sildenafil
Sildenafil is used for the treatment of erectile dysfunction and pulmonary arterial hypertension. It is sold under the brand name of Viagra. Sildenafil inhibits an enzyme cGMP-specific phosphodiesterase type 5 that promotes degradation of cGMP, which regulates blood flow in the penis.Reference standards of Sildenafil API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object
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[pname] => Methisosildenafil-d4
[catalogue_number] => PA STI 058600
[category_ids] => ,80,71,98,85,83,78,70,82,88,
[chemical_name] =>
[weight] => 492.63
[form] => C23H28D4N6O4S
[cas] => 1246819-66-8
[pslug] => 1246819-66-8-methisosildenafil-d4-pasti058600
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Catalogue No.:PA STI 058600
Molecular Formula : C23H28D4N6O4S
Molecular Weight : 492.63
stdClass Object
(
[pname] => Pyrazole N-Demethyl Sildenafil-d3
[catalogue_number] => PA STI 076040
[category_ids] => ,98,85,83,78,70,82,
[chemical_name] =>
[weight] => 463.57
[form] => C21H25D3N6O4S
[cas] => 1185044-03-4
[pslug] => 1185044-03-4-pyrazole-n-demethyl-sildenafil-d3-pasti076040
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Pyrazole N-Demethyl Sildenafil-d3
Catalogue No.:PA STI 076040
Molecular Formula : C21H25D3N6O4S
Molecular Weight : 463.57
