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.
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[pname] => O-Desethyl-O-propyl Methisosildenafil-d4
[catalogue_number] => PA STI 027470
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[weight] => 506.65
[form] => C24H30D4N6O4S
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O-Desethyl-O-propyl Methisosildenafil-d4
Catalogue No.:PA STI 027470
Molecular Formula : C24H30D4N6O4S
Molecular Weight : 506.65
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[pname] => Descarbonsildenafil-d6
[catalogue_number] => PA STI 027480
[category_ids] => ,70,78,79,80,82,88,98,
[chemical_name] =>
[weight] => 468.60
[form] => C21H24D6N6O4S
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Catalogue No.:PA STI 027480
Molecular Formula : C21H24D6N6O4S
Molecular Weight : 468.60
stdClass Object
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[pname] => Desethyl Sildenafil-d3
[catalogue_number] => PA STI 027500
[category_ids] => ,80,71,76,75,78,70,82,88,98,
[chemical_name] =>
[weight] => 449.52
[form] => C20H23D3N6O4S
[cas] => 1346603-75-5
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Catalogue No.:PA STI 027500
Molecular Formula : C20H23D3N6O4S
Molecular Weight : 449.52
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[pname] => N-Desmethyl-N-benzyl Sildenafil-d5
[catalogue_number] => PA STI 028630
[category_ids] => ,80,71,78,70,82,88,98,
[chemical_name] =>
[weight] => 555.70
[form] => C28H29D5N6O4S
[cas] => NA
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N-Desmethyl-N-benzyl Sildenafil-d5
Catalogue No.:PA STI 028630
Molecular Formula : C28H29D5N6O4S
Molecular Weight : 555.70
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
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Catalogue No.:PA STI 058600
Molecular Formula : C23H28D4N6O4S
Molecular Weight : 492.63
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[pname] => Sildenafil-d8
[catalogue_number] => PA STI 079230
[category_ids] => ,79,80,71,98,78,70,82,88,
[chemical_name] =>
[weight] => 482.63
[form] => C22H22D8N6O4S
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Catalogue No.:PA STI 079230
Molecular Formula : C22H22D8N6O4S
Molecular Weight : 482.63
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[pname] => Propoxy phenylthio Aildenafil
[catalogue_number] => PA 19 0081007
[category_ids] => ,80,71,78,82,
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[weight] => 518.7
[form] => C24H34N6O3S2
[cas] => 856190-49-3
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Propoxy phenylthio Aildenafil