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Brexpiprazole, an atypical antipsychotic, is available as Brexpiprazole (Rexulti) tablets. Brexpiprazole is 7-{4-[4-(1-Benzothiophen-4-yl)piperazin-1-yl]butoxy}quinolin-2(1H)-one. The empirical formula is C25H27N3O2S and its molecular weight is 433.57.
Brexpiprazole (Rexulti) tablets are for oral administration and are available in 500 mcg, 1 mg, 2 mg, 3 mg and 4 mg strengths. Inactive ingredients include lactose monohydrate, corn starch, microcrystalline cellulose, hydroxypropyl cellulose, low-substituted hydroxypropyl cellulose, magnesium stearate, hypromellose, and talc. Colorants include titanium dioxide, iron oxide and ferrosferric oxide.