CAS 103883-03-0 appears in our catalog under these names: Procyanidin A1/ 99.23% (existing batch purity), Procyanidin A1, Procyanidin A1 98%, (2R,3S,8S,14R,15R)-2,8-Bis(3,4-dihydroxyphenyl)-3,4-dihydro-8,14-methano-2H,14H-1-benzopyrano[7,8-d][1,3]benzodioxocin-3,5,11,13,15-pentol, 98%, 98%, Procyanidin A1 (Standard). Offered by: TargetMol, Biosynth, Ambeed, Chemat, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, Get quote, 100 mg.