SPL Set ID: cbfb791e-26ac-9fb5-e053-2995a90ac7e5
1 drug(s) with this SPL Set ID
Tetrabenazine is a monoamine depletor for oral administration. The molecular weight of tetrabenazine is 317.43 g/mol; the pKa is 6.51. Tetrabenazine is a hexahydro-dimethoxy-benzoquinolizine derivative and has the following chemical name: cis rac –1,3,4,6,7,11b-hexahydro-9,10-dimethoxy-3-(2-methylpropyl)-2H-benzo[a]quinolizin-2-one. The molecular formula C 19 H 27 NO 3 is represented by the following molecular structure: Tetrabenazine is a white to almost white powder that is sparingly soluble in water and soluble in ethanol. Each tetrabenazine tablet contains either 12.5 or 25 mg of tetrabenazine as the active ingredient. Tetrabenazine tablets contain tetrabenazine as the active ingredient and the following inactive ingredients: anhydrous lactose, colloidal silicon dioxide, croscarmellose sodium and magnesium stearate. The 25 mg strength tablet also contains ferric oxide yellow as an inactive ingredient. Tetrabenazine tablets are supplied as a yellow tablet with functional score containing 25 mg of tetrabenazine or as an unscored white to off-white tablet containing 12.5 mg of tetrabenazine. Structure.jpg