CAS 9047-22-7 appears in our catalog under these names: Cathepsin B from bovine spleen, Cathepsin B from human placenta, CATHEPSIN B FROM BOVINE SPLEEN, CATHEPSIN B FROM HUMAN LIVER, BUFFERED&, Cathepsin B, Human Liver 1PC X 50UG. Offered by: GLPBio, Biosynth, Sigma-Aldrich, MedChemExpress. Available pack sizes: 10u, 5u, 2U, 100UN, 10UN, 25UN, 25UG, 2UN.