The molecule is a FADH2 analogue obtained by hydroperoxidation at the C4alpha-position; major species at pH 7.3. It is a flavin adenine dinucleotide and a hydroperoxide. It derives from a FADH2(2-).
[[(2R,3S,4S)-5-(4a-hydroperoxy-7,8-dimethyl-2,4-dioxo-5H-benzo[g]pteridin-10-yl)-2,3,4-trihydroxypentoxy]-oxidophosphoryl] [(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl phosphate