SPL Set ID: 5480ebd3-5b39-4f8b-bb03-05617f6f519f

Cinacalcet tablets contain the hydrochloride salt of the active ingredient cinacalcet, a positive modulator of the calcium sensing receptor. The empirical formula of cinacalcet is C 22 H 22 F 3 N⋅HCl with a molecular mass of 393.87. It has one chiral center having an R-absolute configuration. The R-enantiomer is the more potent enantiomer and has been shown to be responsible for pharmacodynamic activity. The hydrochloride salt of cinacalcet is a white to off-white powder that is freely soluble in methanol and in ethanol. The hydrochloride salt of cinacalcet is described chemically as (R)-N-(3-(3-(trifluoromethyl) phenyl] propyl]-1-(1-naphthyl) ethylamine hydrochloride and has the following structural formula: Cinacalcet tablets are formulated as light-green, oval, biconvex, film coated tablets for oral administration in strengths of 30 mg, 60 mg, and 90 mg of cinacalcet as the free base equivalent (33.064 mg, 66.127 mg and 99.191 mg as the hydrochloride salt, respectively). Inactive Ingredients The following are the inactive ingredients in cinacalcet tablets: crospovidone, magnesium stearate, microcrystalline cellulose, pregelatinized starch and talc. The coating material contains hypromellose, lactose monohydrate, titanium dioxide, triacetin, FD&C blue #2/indigo carmine AL, iron oxide yellow, polyethylene glycol. The botanical source for pregelatinized starch is corn starch. structure