Brand: Sigma-Aldrich Description CAS Number: 1898-66-4 Molecular weight : 394.32 g/mol Empirical formula : C18H12N5O6 Synonyms : 1,1-Diphenyl-2-picrylhydrazyl radical, 2,2-Diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl, DPPH 2,2-diphenyl-1-picrylhydrazyl is a type of free radical that can accept hydrogen from antioxidants, making it a useful tool in the DPPH assay for evaluating the antioxidant activity of various natural samples, including wine, fruits, and herbal tea.
