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] => Descarbonsildenafil-d6
    [catalogue_number] => PA STI 027480
    [category_ids] => ,70,78,79,80,82,88,98,
    [chemical_name] => 
    [weight] => 468.60
    [form] => C21H24D6N6O4S
    [cas] => NA
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PA STI 027480

Descarbonsildenafil-d6


  • Catalogue No.:PA STI 027480

  • CAS :

    NA

  • Molecular Formula : C21H24D6N6O4S

  • Molecular Weight : 468.60

stdClass Object
(
    [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
    [pslug] => 1346603-75-5-desethyl-sildenafil-d3-pasti027500
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PA STI 027500

Desethyl Sildenafil-d3


  • Catalogue No.:PA STI 027500

  • CAS :

    1346603-75-5

  • Molecular Formula : C20H23D3N6O4S

  • Molecular Weight : 449.52

stdClass Object
(
    [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
    [pslug] => n-desmethyl-n-benzyl-sildenafil-d5-pasti028630
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PA STI 028630

N-Desmethyl-N-benzyl Sildenafil-d5


  • Catalogue No.:PA STI 028630

  • CAS :

    NA

  • 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
    [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] => Homo Sildenafil-d5
    [catalogue_number] => PA STI 046860
    [category_ids] => ,71,98,78,70,82,88,
    [chemical_name] => 
    [weight] => 493.63
    [form] => C23H27D5N6O4S
    [cas] => 1216711-61-3
    [pslug] => 1216711-61-3-homo-sildenafil-d5-pasti046860
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PA STI 046860

Homo Sildenafil-d5


  • Catalogue No.:PA STI 046860

  • CAS :

    1216711-61-3

  • 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
    [pslug] => 1794829-17-6-iso-sildenafil-d3-pasti054300
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PA STI 054300

Iso Sildenafil-d3


  • Catalogue No.:PA STI 054300

  • CAS :

    1794829-17-6

  • Molecular Formula : C22H27D3N6O4S

  • Molecular Weight : 477.59

stdClass Object
(
    [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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PA STI 058600

Methisosildenafil-d4


  • Catalogue No.:PA STI 058600

  • CAS :

    1246819-66-8

  • Molecular Formula : C23H28D4N6O4S

  • Molecular Weight : 492.63

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] => 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
    [pslug] => 1126745-90-1-sildenafil-d3-pasti079220
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PA STI 079220

Sildenafil-d3


  • Catalogue No.:PA STI 079220

  • CAS :

    1126745-90-1

  • 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
    [cas] => 951385-68-5
    [pslug] => 951385-68-5-sildenafil-d8-pasti079230
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PA STI 079230

Sildenafil-d8


  • Catalogue No.:PA STI 079230

  • CAS :

    951385-68-5

  • Molecular Formula : C22H22D8N6O4S

  • Molecular Weight : 482.63

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