Sildenafil EP Impurity D

API CATEGORY Sildenafil Impurity
APPEARANCE off white solid
CAT NUMBER DCTI-C-2303
CAS NUMBER 1357931-55-5
IUPAC NAME 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4,7-dihydro-1H-pyrazolo(4,3-d)pyrimidin-5-yl)benzenesulfonic acid
MOLECULAR FORMULA C17H20N4O5S
MOLECULAR WEIGHT 392.43
SOLUBILITY freely soluble in methanol
STORAGE CONDITION Store at 2-8°C
SYNONYMS Desmethyl piperazinyl sildenafil sulfonic acid

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