CAS 9002-09-9 appears in our catalog under these names: Tyrosine decarboxylase, Microorganism, L-Tyrosine Decarboxylase Streptococcus f, L-Tyrosine Decarboxylase Apoenzyme Strep. Offered by: MedChemExpress, Sigma-Aldrich. Available pack sizes: 25 U, 10UN, 250UN, 25UN, 50UN.