SPL Set ID: fd169dd8-70a0-b6b4-e053-6394a90a3a6f

Ramelteon is an orally active hypnotic chemically designated as (S)-N-[2-(1,6,7,8- tetrahydro-2H-indeno-[5,4-b]furan-8-yl)ethyl]propionamide and containing one chiral center. The compound is produced as the (S)-enantiomer, with an empirical formula of C16H21NO2, molecular weight of 259.34, and the following chemical structure: [Chemical Structure] Ramelteon is freely soluble in methanol and practically insoluble in water. Each ramelteon tablet contains the following inactive ingredients: hydroxypropyl cellulose, hypromellose, lactose monohydrate, magnesium stearate, polyethylene glycol, povidone, pregelatinized starch, titanium dioxide and yellow iron oxide.