Used in research to study the endocannabinoid system, particularly in understanding the role of endocannabinoids in various physiological processes. It serves as a deuterated internal standard in mass spectrometry, aiding in the accurate quantification of 2-arachidonyl glycerol in biological samples. This compound is valuable in investigating cannabinoid receptor interactions, lipid metabolism, and the regulation of neurotransmitter release. It also helps in exploring the therapeutic potential of cannabinoid-based treatments for conditions like pain, inflammation, and neurological disorders.