... Dihydrate English name : Quercetin DihydrateCAS No. 6151-25-3Specification:98%UVMolecular Formula and Molecular Weight: C15H10O7.2H2O 338.27Chemical ... Quercetin hydrate; Quercetin3,3,4,5,7-Pentahydroxy-flavone dihydrate; 3,3,4,5,7-Pentahydroxyflavone; QUERCETINE; Assay Quercetin is not ... less than 98% in dried substance by UV ...