Pharmaceutical chemistry is utilized to the event and assessment of therapeutic compounds. and so, the Pharmaceutical chemistry encompasses drug vogue, drug synthesis, and so the analysis of drug effectuality and drug safety. The drug discovery methodology includes all the stages of drug development, from targeting a illness or medical condition to toxicity studies in animals, or even, by some definitions, testing the drug on human subjects. the world of pharmaceutical chemistry is varied and involves many areas of expertise. Natural-product and analytical chemists isolate and establish active components from plant and different natural sources. Theoretical chemists construct molecular models of existing medication to gauge their properties. These procedure studies facilitate healthful chemists and bioengineer’s vogue and synthesize compounds with increased biological activity. Pharmaceutical chemists worth the bioactivity of medication and drug metabolites. Toxicologists assess drug safety and potential adverse effects of drug medical aid. once a drug has been approved for human studies, clinicians and physicians monitor patients' response to treatment with the new drug. The impact of pharmaceutical chemistry on the traditional human time period and on the quality of life enjoyed by the bulk is hard to overestimate.