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.
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[pname] => 4-Ethoxy-N,N-bis(2-hydroxyethyl)-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonamide
[catalogue_number] => PA 19 09590
[category_ids] => ,80,71,78,70,82,121,88,
[chemical_name] =>
[weight] => 479.55
[form] => C21H29N5O6S
[cas] => 226956-43-0
[pslug] => 226956-43-0-4-ethoxy-n-n-bis-2-hydroxyethyl-3-1-methyl-7-oxo-3-propyl-6-7-dihydro-1h-pyrazolo-4-3-d-pyrimidin-5-yl-benzenesulfonamide-pa1909590
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4-Ethoxy-N,N-bis(2-hydroxyethyl)-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonamide
Catalogue No.:PA 19 09590
Molecular Formula : C21H29N5O6S
Molecular Weight : 479.55