CAS 9001-15-4 appears in our catalog under these names: Creatine phosphokinase(Rabbit muscle, >150u/mg, Type I), CREATINE PHOSPHOKINASE TYPE III FROM &, CREATINE PHOSPHOKINASE TYPE III FROM, CREATINE PHOSPHOKINASE TYPE I FROM &, CREATINE PHOSPHOKINASE TYPE I FROM. Offered by: GLPBio, Sigma-Aldrich, MedChemExpress. Available pack sizes: 1ku, 20ku, 40ku, 5ku, 3.5KU, 500UN, 17.5KU, 35KU.