CAS 12656-83-6 appears in our catalog under these names: 2-(3,4-Dihydroxyphenyl)-6-β-D-glucopyranosyl-5,7-dihydroxy-8-β-D-xylopyranosyl-4H-1-benzopyran-4-one, ≥98%, ≥98%, Lucenin 3. Offered by: Chemat, MedChemExpress. Available pack sizes: 5mg, 5 mg, 1 mg.