Fenthoxon Sulfoxide (Dimethylphosphate-d6) is the labeled form of Fenthoxon Sulfoxide (F279015), which is a metabolite of Fenthion (FEN). It is also derived from Methyl Alcohol-d4 (M265107), which is the labeled analog of methyl alcohol, a common laboratory solvent used primarily in spectroscopic techniques (UV/VIS, NMR, IR). Molecular Formula: C10H9D6O5PS Molecular Weight: 284.3