2-Isopropylthioxanthone-d7 is the deuterium labeled 2-Isopropylthioxanthone (HY-W011875). 2-Isopropylthioxanthone is a photoinitiator that is widely used in printing ink of packaging materials. 2-Isopropylthioxanthone is an endocrine-disrupting compound. 2-Isopropylthioxanthone can activate aryl hydrocarbon receptor (AhR) and has anti-estrogenic and anti-androgenic activity[1][2].