Sildenafil Citrate-impurities | Pharmaffiliates

sildenafil citrate

A citrate salt of Sildenafil sold under the brand name of Viagra. Sildenafil is used for the treatment of erectile dysfunction and pulmonary arterial hypertension. 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 Citrate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

stdClass Object
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    [pname] => Sildenafil Chlorosulfonyl Impurity
    [catalogue_number] => PA 19 09570
    [category_ids] => ,85,83,122,
    [chemical_name] => 
    [weight] => 410.88
    [form] => C17H19ClN4O4S
    [cas] => 139756-22-2
    [pslug] => 139756-22-2-sildenafil-chlorosulfonyl-impurity-pa1909570
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PA 19 09570

Sildenafil Chlorosulfonyl Impurity


  • Catalogue No.:PA 19 09570

  • CAS :

    139756-22-2

  • Molecular Formula : C17H19ClN4O4S

  • Molecular Weight : 410.88

stdClass Object
(
    [pname] => 5-(5-Chlorosulfonyl-2-ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
    [catalogue_number] => PA 19 09840
    [category_ids] => ,80,71,122,
    [chemical_name] => 
    [weight] => 396.85
    [form] => C16H17ClN4O4S
    [cas] => 139756-31-3
    [pslug] => 139756-31-3-5-5-chlorosulfonyl-2-ethoxyphenyl-3-propyl-1-6-dihydro-7h-pyrazolo-4-3-d-pyrimidin-7-one-pa1909840
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PA 19 09840

5-(5-Chlorosulfonyl-2-ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one


  • Catalogue No.:PA 19 09840

  • CAS :

    139756-31-3

  • Molecular Formula : C16H17ClN4O4S

  • Molecular Weight : 396.85