This chemical is primarily used in research and development within the field of photochemistry and dermatology. It serves as a deuterated analog of psoralen, which is valuable in studies involving photoactivation processes. Researchers utilize it to explore mechanisms of action in photodynamic therapy, particularly in treating skin conditions like psoriasis and vitiligo. Its deuterated form enhances stability and allows for more precise tracking in experimental settings, making it a useful tool in pharmacokinetic and metabolic studies. Additionally, it aids in the development of advanced therapeutic agents by providing insights into the behavior of psoralen derivatives under controlled conditions.