CAS 9031-11-2 appears in our catalog under these names: β–Galactosidase (GAL), β–Galactosidase , β–Galactosidase (Aspergillus oryzae Extract), β–Galactosidase (From Escherichia coli ), β-Galactosidase >100KU/g. Offered by: GLPBio, Biosynth, Sigma-Aldrich, MedChemExpress. Available pack sizes: 1ku, 5ku, 100ku, 25ku, 25g, 50KU, 50g, 100g.