Arachidonoyl Serotonin (AA-5HT) is primarily used in research to study its role as an inhibitor of fatty acid amide hydrolase (FAAH) and transient receptor potential vanilloid type 1 (TRPV1) channels. It is particularly valuable in investigating pain modulation, as it interacts with endocannabinoid and vanilloid systems, which are critical in pain perception and inflammation. AA-5HT is also utilized in studies exploring its potential anti-inflammatory and neuroprotective effects, making it a compound of interest in understanding conditions like chronic pain, neurodegenerative diseases, and inflammatory disorders. Its dual inhibitory action provides insights into the interplay between endocannabinoid signaling and TRPV1-mediated pathways.