CAS 9030-21-1 appears in our catalog under these names: Nucleoside phosphorylase from microorganisms, Purine nucleoside phosphorylase, Microorganism, Purine nucleoside phosphorylase, Bacillus sp., Nucleoside Phosphorylase bacterial Esche. Offered by: Biosynth, MedChemExpress, Sigma-Aldrich. Available pack sizes: 10KU, 5KU, 15KU, 100 U, 1 KU, 5 KU, 100UN, 1KU.