SPL Set ID: 38be1217-cd55-416a-bf4b-6ede6bfd3727

Varenicline tablets contain varenicline (as the tartrate salt), which is a partial nicotinic agonist selective for α 4 β 2 nicotinic acetylcholine receptor subtypes. Varenicline, as the tartrate salt, is off-white to light fawn powder with the following chemical name: 7,8,9,10-tetrahydro-6,10-methano-6H-pyrazino[2,3-h][3]benzazepine, (2R,3R)-2,3-dihydroxybutanedioate (1:1). It is freely soluble in water and slightly soluble in N, N-dimethyl Formamide. Varenicline tartrate has a molecular weight of 361.35 Daltons, and a molecular formula of C 13 H 13 N 3 • C 4 H 6 O 6 . The chemical structure is: Varenicline tablets are supplied for oral administration in two strengths: a 0.5 mg off-white, capsule shaped, biconvex, film-coated tablets, debossed with ‘V1’ on one side and plain on other side and a 1 mg blue colored, capsule shaped, biconvex, film-coated tablets, debossed with ‘V2’ on one side and plain on other side. Each 0.5 mg varenicline tablet contains 0.85 mg of varenicline tartrate equivalent to 0.5 mg of varenicline free base; each 1 mg varenicline tablet contains 1.71 mg of varenicline tartrate equivalent to 1 mg of varenicline free base. The following inactive ingredients are included in the tablets: microcrystalline cellulose, anhydrous dibasic calcium phosphate, croscarmellose sodium, colloidal silicon dioxide, magnesium stearate, maltodextrin. The film coating contains hypromellose, titanium dioxide, polyethylene glycol. 1 mg has FD&C Blue # 2 and FD&C yellow # 6. varenicline-structure