Preformulation Objective: Preformulation involves the application of biopharmaceutical principles to the physicochemical parameters of a drug with the goal of designing an optimum drug delivery system.Characterization of drug molecule is a very important step at the preformulation phase of product development. From www.pharmquest.comPreformulation Objective: Objective: Preformulation Preformulation involves the application of involves the application of biopharmaceutical principles biopharmaceutical principles to the physicochemical physicochemical parameters parameters of a drug with the goal of designing an of a drug with the goal of designing an optimum drug delivery system. optimum drug delivery system. Characterization of drug Characterization of drug molecule is a very important step at the molecule is a very important step at the preformulation preformulation phase of product development. phase of product development. From www.pharmquest.com