A1,
A2,
B,
C1,
C2,
D,
E,
F,
G-H,
I-K,
L,
M,
N,
O,
P1,
P2,
Q-R,
S,
T,
U-V,
W-Z
Risperdal Online, Description, Chemistry, Ingredients - Risperidone
Risperdal Online, Description, Chemistry, Ingredients - Risperidone
DESCRIPTION
RISPERDAL® (risperidone) is a psychotropic agent
belonging to the chemical class of benzisoxazole derivatives. The chemical designation
is 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]- 6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a] pyrimidin-4-one.
Its molecular formula is C23H27FN4O2
and its molecular weight is 410.49. The structural formula is:
Risperidone is a white to slightly beige powder. It is practically
insoluble in water, freely soluble in methylene chloride, and soluble in methanol
and 0.1 N HCl.
RISPERDAL® tablets are available in 0.25 mg
(dark yellow), 0.5 mg (red-brown), 1 mg (white), 2 mg (orange), 3 mg (yellow),
and 4mg (green) strengths. Inactive ingredients are colloidal silicon dioxide,
hypromellose, lactose, magnesium stearate, microcrystalline cellulose, propylene
glycol, sodium lauryl sulfate, and starch (corn). Tablets of 0.25, 0.5, 2, 3,
and 4 mg also contain talc and titanium dioxide. The 0.25mg tablets contain
yellow iron oxide; the 0.5 mg tablets contain red iron oxide; the 2 mg tablets
contain FD&C Yellow No. 6 Aluminum Lake; the 3mg and 4 mg tablets contain
D&C Yellow No. 10; the 4 mg tablets contain FD&C Blue No. 2 Aluminum
Lake.
RISPERDAL® is also available as a 1 mg/mL oral
solution. The inactive ingredients for this solution are tartaric acid, benzoic
acid, sodium hydroxide, and purified water.
RISPERDAL® M-TAB™ Orally Disintegrating
Tablets are available in 0.5 mg, 1 mg, and 2 mg strengths and are light coral
in color. RISPERDAL® M-TAB™ Orally Disintegrating
Tablets contain the following inactive ingredients: Amberlite® resin,
gelatin, mannitol, glycine, simethicone, carbomer, sodium hydroxide, aspartame,
red ferric oxide, and peppermint oil.
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