CAS 549-32-6 appears in our catalog under these names: Quercetin 3-O-beta-xyloside, Reynoutrin/ 97.98% (existing batch purity), Quercetin-3-D-xyloside, 98.00%, Quercetin 3-O-xyloside, Reynoutrin 97%. Offered by: TRC, TargetMol, Chemat, Biosynth, Ambeed. Available pack sizes: 250mg, 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 2mg.