Modafinil is a wakefulness-promoting agent for oral administration. Modafinil is a racemic compound. The chemical name for modafinil is 2-[(diphenylmethyl)sulfinyl]acetamide. The molecular formula is C15H15NO2S and the molecular weight is 273.35.
The chemical structure is:
Modafinil is a white to off-white, crystalline powder that is practically insoluble in water and cyclohexane. It is sparingly to slightly soluble in methanol and acetone.
Modafinil Tablets, USP contain 100 mg or 200 mg of modafinil and the following inactive ingredients: lactose monohydrate, corn starch dried, crospovidone, croscarmellose sodium, colloidal silicon dioxide, magnesium stearate, and talc.