sildenafil
Stable isotopes
- 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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[catalogue_number] => PA STI 027470
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[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,
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[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
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Catalogue No.:PA STI 027500
Molecular Formula : C20H23D3N6O4S
Molecular Weight : 449.52
stdClass Object
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[pname] => N-Desmethyl Sildenafil-d8
[catalogue_number] => PA STI 028620
[category_ids] => ,76,98,
[chemical_name] =>
[weight] => 468.60
[form] => C21H20D8N6O4S
[cas] => 1185168-06-2
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N-Desmethyl Sildenafil-d8
Catalogue No.:PA STI 028620
Molecular Formula : C21H20D8N6O4S
Molecular Weight : 468.60
stdClass Object
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[catalogue_number] => PA STI 028630
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[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] => Desmethyl Thiosildenafil-d8
[catalogue_number] => PA STI 028770
[category_ids] => ,74,71,78,70,82,88,98,
[chemical_name] =>
[weight] => 484.66
[form] => C21H20D8N6O3S2
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Desmethyl Thiosildenafil-d8
Catalogue No.:PA STI 028770
Molecular Formula : C21H20D8N6O3S2
Molecular Weight : 484.66
stdClass Object
(
[pname] => Homo Sildenafil-d5
[catalogue_number] => PA STI 046860
[category_ids] => ,71,98,78,70,82,88,
[chemical_name] =>
[weight] => 493.63
[form] => C23H27D5N6O4S
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Catalogue No.:PA STI 046860
Molecular Formula : C23H27D5N6O4S
Molecular Weight : 493.63
stdClass Object
(
[pname] => Iso Sildenafil-d3
[catalogue_number] => PA STI 054300
[category_ids] => ,71,98,78,70,82,88,
[chemical_name] =>
[weight] => 477.59
[form] => C22H27D3N6O4S
[cas] => 1794829-17-6
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Catalogue No.:PA STI 054300
Molecular Formula : C22H27D3N6O4S
Molecular Weight : 477.59
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
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Catalogue No.:PA STI 058600
Molecular Formula : C23H28D4N6O4S
Molecular Weight : 492.63
stdClass Object
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[pname] => Piperazonifil-d5
[catalogue_number] => PA STI 073900
[category_ids] => ,98,78,70,82,
[chemical_name] =>
[weight] => 487.61
[form] => C25H29D5N6O4
[cas] => NA
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Catalogue No.:PA STI 073900
Molecular Formula : C25H29D5N6O4
Molecular Weight : 487.61
stdClass Object
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[pname] => Propoxyphenyl-thiosildenafil-d8
[catalogue_number] => PA STI 075440
[category_ids] => ,74,71,98,78,70,82,88,
[chemical_name] =>
[weight] => 512.72
[form] => C23H24D8N6O3S2
[cas] => NA
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Propoxyphenyl-thiosildenafil-d8
Catalogue No.:PA STI 075440
Molecular Formula : C23H24D8N6O3S2
Molecular Weight : 512.72
stdClass Object
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[pname] => Pyrazole N-Demethyl Sildenafil-d3
[catalogue_number] => PA STI 076040
[category_ids] => ,98,85,83,78,70,82,
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[weight] => 463.57
[form] => C21H25D3N6O4S
[cas] => 1185044-03-4
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Pyrazole N-Demethyl Sildenafil-d3
Catalogue No.:PA STI 076040
Molecular Formula : C21H25D3N6O4S
Molecular Weight : 463.57
stdClass Object
(
[pname] => Sildenafil-d3
[catalogue_number] => PA STI 079220
[category_ids] => ,71,98,78,70,82,88,
[chemical_name] =>
[weight] => 477.60
[form] => C22H27D3N6O4S
[cas] => 1126745-90-1
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Catalogue No.:PA STI 079220
Molecular Formula : C22H27D3N6O4S
Molecular Weight : 477.60
stdClass Object
(
[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
stdClass Object
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[pname] => Thiosildenafil-d3
[catalogue_number] => PA STI 082870
[category_ids] => ,74,71,78,70,82,88,98,
[chemical_name] =>
[weight] => 493.66
[form] => C22H27D3N6O3S2
[cas] => 1216671-11-2
[pslug] => 1216671-11-2-thiosildenafil-d3-pasti082870
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Catalogue No.:PA STI 082870
Molecular Formula : C22H27D3N6O3S2
Molecular Weight : 493.66
stdClass Object
(
[pname] => Sildenafil-d3 Citrate Salt
[catalogue_number] => PA STI 089539
[category_ids] => ,98,
[chemical_name] =>
[weight] => 669.72
[form] => C28H35D3N6O11S
[cas] => NA
[pslug] => sildenafil-d3-citrate-salt-pasti089539
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Sildenafil-d3 Citrate Salt
Catalogue No.:PA STI 089539
Molecular Formula : C28H35D3N6O11S
Molecular Weight : 669.72
stdClass Object
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[pname] => 1-(Methyl-d3)piperazine Dihydrochloride
[catalogue_number] => PA STI 089844
[category_ids] => ,98,
[chemical_name] =>
[weight] => 176.10
[form] => C5H11D3Cl2N2
[cas] => 2043778-87-4
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1-(Methyl-d3)piperazine Dihydrochloride
Catalogue No.:PA STI 089844
Molecular Formula : C5H11D3Cl2N2
Molecular Weight : 176.10
stdClass Object
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[catalogue_number] => PA STI 089912
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[weight] => 497.6
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N-Nitroso N-desmethyl Sildenafil-d8
