CAS 29838-67-3 appears in our catalog under these names: Taxifolin 3-O-rhamnoside, Astilbin, Astilbin/ 99.76% (existing batch purity), Astilbin, 98.00%, Astilbin 97%. Offered by: Biosynth, GLPBio, TargetMol, Chemat, Ambeed. Available pack sizes: 25mg, 10mg, 50mg, 100mg, 250mg, 20mg, 5mg, 200mg.