SPL Set ID: 16ee0a83-88d7-97de-1e07-f9e6dcb5c934

Varenicline tablets contain varenicline (as the tartrate salt), which is a partial nicotinic receptor agonist selective for α 4 β 2 nicotinic acetylcholine receptor subtypes. Varenicline, as the tartrate salt, is a powder which is a white to slightly yellow color solid 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. It is freely soluble in water. 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 modified capsule shape biconvex, orange colour, film-coated tablets debossed with “C2” on one side and plain on other side and free from physical defects and a 1 mg modified capsule shape biconvex, pink colour, film-coated tablets debossed with “C1" on one side and plain on other side and free from physical defects. Each 0.5 mg varenicline tablet contains 0.85 mg of varenicline tartrate equivalent to 0.5 mg of varenicline; each 1 mg varenicline tablet contains 1.71 mg of varenicline tartrate equivalent to 1 mg of varenicline. The following inactive ingredients are included in the tablets: croscarmellose sodium, maltodextrin, microcrystalline cellulose, stearic acid, Opadry orange (for 0.5 mg), Opadry pink (for 1 mg).