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] => O-Desethyl-O-propyl Methisosildenafil
[catalogue_number] => PA 19 09600
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[weight] => 502.63
[form] => C24H34N6O4S
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O-Desethyl-O-propyl Methisosildenafil
Catalogue No.:PA 19 09600
Molecular Formula : C24H34N6O4S
Molecular Weight : 502.63
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[pname] => Propoxyphenyl-thiohydroxyhomosildenafil
[catalogue_number] => PA 19 09800
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[chemical_name] =>
[weight] => 534.69
[form] => C24H34N6O4S2
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Propoxyphenyl-thiohydroxyhomosildenafil
Catalogue No.:PA 19 09800
Molecular Formula : C24H34N6O4S2
Molecular Weight : 534.69
stdClass Object
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[pname] => Thiodimethylsildenafil
[catalogue_number] => PA 19 09810
[category_ids] => ,79,80,76,74,71,88,
[chemical_name] =>
[weight] => 504.67
[form] => C23H32N6O3S2
[cas] => 1260112-90-0
[pslug] => 1260112-90-0-thiodimethylsildenafil-pa1909810
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Catalogue No.:PA 19 09810
Molecular Formula : C23H32N6O3S2
Molecular Weight : 504.67
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[catalogue_number] => PA 19 09880
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[weight] => 420.48
[form] => C19H24N4O5S
[cas] => 1971915-89-5
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Ethyl 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonate
Catalogue No.:PA 19 09880
Molecular Formula : C19H24N4O5S
Molecular Weight : 420.48
stdClass Object
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[pname] => 2-Ethoxy-5-(ethoxysulfonyl)benzoic Acid
[catalogue_number] => PA 19 09890
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[weight] => 274.29
[form] => C11H14O6S
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2-Ethoxy-5-(ethoxysulfonyl)benzoic Acid
Catalogue No.:PA 19 09890
Molecular Formula : C11H14O6S
Molecular Weight : 274.29
stdClass Object
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[catalogue_number] => PA 19 09900
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[weight] => 302.34
[form] => C13H18O6S
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Ethyl 2-ethoxy-5-(ethoxysulfonyl)benzoate
Catalogue No.:PA 19 09900
Molecular Formula : C13H18O6S
Molecular Weight : 302.34
stdClass Object
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[pname] => Methyl 2-ethoxy-5-(methoxysulfonyl)benzoate
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Methyl 2-ethoxy-5-(methoxysulfonyl)benzoate
Catalogue No.:PA 19 09910
Molecular Formula : C11H14O6S
Molecular Weight : 274.29
stdClass Object
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[pname] => 2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzoic Acid
[catalogue_number] => PA 19 09920
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[chemical_name] =>
[weight] => 342.41
[form] => C15H22N2O5S
[cas] => 1245644-35-2
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2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzoic Acid
Catalogue No.:PA 19 09920
Molecular Formula : C15H22N2O5S
Molecular Weight : 342.41
stdClass Object
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[catalogue_number] => PA 19 09930
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[weight] => 460.55
[form] => C21H28N6O4S
[cas] => 263897-18-3
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5-(2-methoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
Catalogue No.:PA 19 09930
Molecular Formula : C21H28N6O4S
Molecular Weight : 460.55
stdClass Object
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[pname] => 4-(2-Methoxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide
[catalogue_number] => PA 19 09940
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[weight] => 478.57
[form] => C21H30N6O5S
[cas] => 263897-17-2
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4-(2-Methoxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide
Catalogue No.:PA 19 09940
Molecular Formula : C21H30N6O5S
Molecular Weight : 478.57
stdClass Object
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[pname] => 4-(2-Methoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide
[catalogue_number] => PA 19 09950
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[chemical_name] =>
[weight] => 435.54
[form] => C20H29N5O4S
[cas] => NA
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4-(2-Methoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide
Catalogue No.:PA 19 09950
Molecular Formula : C20H29N5O4S
Molecular Weight : 435.54
