CAS 29838-67-3 Taxifolin 3-rhamnoside. Astilbin plant extract 98% 1, Best quality & ... competitive price 2, ISO facility CAS 29838-67-3 Taxifolin 3-rhamnoside. Astilbin plant extract 98% 1, Best quality & ... competitive price2, ISO facility3, Guarantee efficient logistics Synonyms: Taxifolin 3-rhamnoside. AstilbinMolecular Formula: C21H22O11 Molecular Weight : 450.398CAS Number ...