CAS 9028-67-5 appears in our catalog under these names: Choline oxidase, CHOLINE OXIDASE FROM ARTHROBACTER &, CHOLINE OXIDASE FROM ALCALIGENES SP.&, Choline oxidase, 90.00%. Offered by: Biosynth, Sigma-Aldrich, MedChemExpress. Available pack sizes: 1KU, 0,5KU, 100UN, 500UN, 50UN, 100 U.