The chemical Varenicline tartrate has a designated molecular formula of C17H19N3O6 and a molecular weight of 361.354 g/mol. Synonyms may include: CP 526555-18, Chantix, Champix, UNII-82269ASB48 (ChemID). Varenicline tartrate has been assigned a MeSH pharmacological action of: Nicotinic Agonist.