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Taxifolin. C15H12O7. (Mr 304.3). 1151800. [480-18-2]. (2R,3R)-2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-2,3-dihydro-4H-1-benzopyran-4-one.
White or almost white powder, slightly soluble in anhydrous ethanol.
Absorbance (2.2.25). A solution in anhydrous ethanol R shows an absorption maximum at 290 nm.