CAS 9001-73-4 appears in our catalog under these names: Papain (Technical Grade), Papain, Papain, Carica Papaya Latex , Papain, 6000.00U/mg, Papain from Carica Papaya (contains 60% Maltose). Offered by: TRC, TargetMol, Thermo Scientific (Alfa Aesar), Chemat, Biosynth. Available pack sizes: 100mg, 50mg, 1g, 25mg, 100g, 25g, 5g, 10g.