CAS 9001-74-5 appears in our catalog under these names: Penase (Penicillinase), Penicillinase (=Penicillin amido-beta-lactamhydrolase), from Bacillus cereus, Lyophilized powder (2500000unit/vial), Penicillinase (=Penicillin amido-beta-lactamhydrolase), from Bacillus cereus, Lyophilized powder (50000000unit/vial), Penicillinase (1mL will inactivate 120000 units of Penicillin) (contains 0.25% phenol as preservative substance), Penicillinase. Offered by: Biosynth, TCI, MedChemExpress. Available pack sizes: 500mg, 250mg, -, 25ml, 1000mg, 5 mL, 500U, 100U.