SPL Set ID: da9423b5-00ab-46fc-8959-3db3c0a0bc6d
1 drug(s) with this SPL Set ID
Tolterodine tartrate extended-release capsules, USP contain tolterodine tartrate, USP. The active moiety, tolterodine, is a muscarinic receptor antagonist. The chemical name of tolterodine tartrate, USP is (R)-N, N-diisopropyl-3-(2-hydroxy-5-methylphenyl)-3-phenylpropanamine L-hydrogen tartrate. The empirical formula of tolterodine tartrate is C 26 H 37 NO 7 . Its structure is: Tolterodine tartrate, USP is a white, crystalline powder with a molecular weight of 475.6. The pK a value is 9.87 and the solubility in water is 12 mg/mL. It is soluble in methanol, slightly soluble in ethanol, and practically insoluble in toluene. The partition coefficient (Log D) between n-octanol and water is 1.83 at pH 7.3. Tolterodine tartrate 4 mg extended-release capsules, USP for oral administration contain 4 mg of tolterodine tartrate, USP. Inactive ingredients are cellulose microcrystalline, ethyl cellulose, FD & C blue 2, gelatin, hypromellose, medium chain triglycerides, oleic acid, sucrose, talc and titanium dioxide. Tolterodine tartrate 2 mg extended-release capsules, USP for oral administration contain 2 mg of tolterodine tartrate, USP, and the following inactive ingredients: cellulose microcrystalline, ethyl cellulose, FD & C blue 2, gelatin, hypromellose, iron oxide yellow, medium chain triglycerides, oleic acid, sucrose, talc and titanium dioxide. Both the 2 mg and 4 mg capsule strengths are imprinted with a pharmaceutical grade printing ink that contains potassium hydroxide, propylene glycol, shellac, strong ammonia solution and titanium dioxide. FDA approved dissolution test specifications differ from USP. structure