The textbook contains information about the history of development and problems of pharmaceutical chemistry, about the regulatory documentation and methods of researching the quality of medicines .. Data on the chemical structure, pharmacological properties of drugs, storage and use. Much attention is paid to the analysis of drugs of inorganic and organic origin, methods of performing drug authentication reactions and chemical equations of reactions. are given. The textbook was prepared at the department of high-molecular compounds and colloids of the chemical faculty of Voronezh State University . Recommended for students of Year 4 and Year 5 of the Faculty of Chemistry .