Noroxycodone is primarily used in the field of medical research, particularly in the study of opioid metabolism and pharmacology. It serves as an important intermediate in the synthesis of various opioid compounds, aiding researchers in understanding the metabolic pathways and mechanisms of action of opioids like oxycodone. Additionally, it is utilized in the development of new analgesic drugs, helping to explore potential therapeutic agents with improved efficacy and reduced side effects. Its role in forensic toxicology is also significant, as it assists in the detection and analysis of opioid use in biological samples.