The JWH 210 N-pentanoic acid metabolite is primarily used in forensic and toxicological research to identify and quantify the presence of synthetic cannabinoids in biological samples. Its application is crucial in understanding the metabolism and excretion patterns of synthetic cannabinoids, aiding in the detection of drug use in clinical and legal settings. Researchers utilize this metabolite as a biomarker to develop accurate analytical methods, such as liquid chromatography-mass spectrometry (LC-MS), for detecting synthetic cannabinoid consumption. Additionally, it plays a role in studying the pharmacological effects and potential health risks associated with synthetic cannabinoid abuse, contributing to public health and safety efforts.