A comprehensive and authoritative exploration of Tempol (4-Hydroxy-TEMPO), an exceptional chemical compound with diverse applications in both scientific research and medical practice. This book delves into Tempol's unique properties, mechanisms of action, and its potential role in combating oxidative stress-related disorders. Includes a chapter devoted to the safe handling, storage, and disposal of Tempol in compliance with pharmaceutical regulations. The authors pay particular attention to pharmaceutical regulations in the industry.