(2R)​-5-​(Bromomethyl-​d2)​-​3,​4-​dihydro-​2,​8-​dimethyl-​7-​(methyl-​d3)​-​2-​[(4R,​8R)​-​4,​8,​12-​trimethyltridecyl]​-2H-​1-​benzopyran-​6-​ol-d5 Acetate is an intermediate in synthesizing γ-Tocopherol-d4 (T526142), a labelled γ-Tocopherol. One of the naturally occurring forms of Vitamin E. Most abundant Tocopherol in soybean and corn oils.