Sildenafil-impurities | Pharmaffiliates

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
    [category_ids] => ,70,71,74,78,80,82,98,
    [chemical_name] => 
    [weight] => 506.65
    [form] => C24H30D4N6O4S
    [cas] => 2124278-11-9
    [pslug] => 2124278-11-9-o-desethyl-o-propyl-methisosildenafil-d4-pasti027470
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PA STI 027470

O-Desethyl-O-propyl Methisosildenafil-d4


  • Catalogue No.:PA STI 027470

  • CAS :

    2124278-11-9

  • Molecular Formula : C24H30D4N6O4S

  • Molecular Weight : 506.65

stdClass Object
(
    [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
    [cas] => 1215321-44-0
    [pslug] => 1215321-44-0-desmethyl-thiosildenafil-d8-pasti028770
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PA STI 028770

Desmethyl Thiosildenafil-d8


  • Catalogue No.:PA STI 028770

  • CAS :

    1215321-44-0

  • Molecular Formula : C21H20D8N6O3S2

  • Molecular Weight : 484.66

stdClass Object
(
    [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
    [pslug] => propoxyphenyl-thiosildenafil-d8-pasti075440
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PA STI 075440

Propoxyphenyl-thiosildenafil-d8


  • Catalogue No.:PA STI 075440

  • CAS :

    NA

  • Molecular Formula : C23H24D8N6O3S2

  • Molecular Weight : 512.72

stdClass Object
(
    [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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PA STI 082870

Thiosildenafil-d3


  • Catalogue No.:PA STI 082870

  • CAS :

    1216671-11-2

  • Molecular Formula : C22H27D3N6O3S2

  • Molecular Weight : 493.66