CAS 154-23-4 appears in our catalog under these names: (+)-Catechin, >95% (HPLC), (+)-Catechin, (+)-Catechin 1000 µg/mL in Acetonitrile, Catechin/ 99.05% (existing batch purity), Catechin ((+)–Catechin). Offered by: TRC, Dr. Ehrenstorfer, TargetMol, GLPBio, Biosynth. Available pack sizes: 10g, 1g, 500mg, 25mg, 1ml, 50mg, 100mg, 10mg.