FORFIVO XL (bupropion hydrochloride), an antidepressant
of the aminoketone class, is chemically unrelated to tricyclic, tetracyclic,
selective serotonin re-uptake inhibitor, or other known antidepressant agents.
Its structure closely resembles that of diethylpropion;it is related to
phenylethylamines.It is designated as
(±)-2-(tert-Butylamino)-3"-chloropropiophenone hydrochloride.The molecular
weight is 276.2.The empirical formula is C13H18ClNO•HCl. Bupropion hydrochloride powder is white or almost white,
crystalline, and soluble in water.It has a bitter taste and produces the
sensation of local anesthesia on the oral mucosa.The structural formula is:
FORFIVO XL tablets are supplied for oral administration
of 450 mg of bupropion hydrochloride as white to off-white extended-release
tablets.Each film-coated tablet contains the labeled amount of bupropion
hydrochloride and the inactive ingredients: hydroxypropyl cellulose, hydrochloric
acid, polyvinyl pyrrolidone and polyvinyl acetate blend, polyethylene oxide,
stearic acid, colloidal silicon dioxide, magnesium stearate,
hydroxypropylmethyl cellulose, triacetin, talc, methacrylic acid copolymer,
polyethylene glycol 8000, titanium dioxide and carboxymethyl cellulose sodium.
The logo “Forfivo”is printed on one side of the tablet with edible black ink.
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