... , prompt delivery 4.Purity 1% -99% 5.GMP Dihydroquercetin1, Specification:NF11 DAB9 DAB102, ISO 9001:2000 Certificate3, Test Methord: HPLC4, CAS NO.: 153 ... Loss on drying5.5-9.0%7.18%Impurity quercetin≤4%CompliesChlorophyII≤0.004%CompliesRed pigments≤0.004%CompliesHeavy metals≤20ppmCompliesTotal ... Residue on Ignition≤0.5%0.35%Impurity quercetin≤5%< 4%Red pigments≤0.004%<0.004%Heavy Metal≤20ppm<10ppmMesh ...