product name: Aripiprazole usp chemical name: 7-[4-[4- (2, 3-dichlorophenyl) -1-piperazinyl] butoxy]-3, 4-dihydro-2 (1h) – quinolinone. chemical formula: c23h27cl2n3o2 molecular mass: 448. 38g/mol cas number: 129722-12-9 Aripiprazole is white crystal powder that is soluble in dichloromethane, insoluble in methanol and water. Aripiprazole is indicated for the treatment of schizophrenia.