CAS 9012-90-2 appears in our catalog under these names: Taq DNA Polymerase Kit , Taq DNA Polymerase, Concentration 5000 units/mL , Taq Polymerase from Thermus aquaticus, expressed in E. coli, TAQ DNA POLYMERASE WITH 10X REACTION, TAQ DNA POLYMERASE WITH 10X REACTION &. Offered by: Thermo Scientific (Alfa Aesar), Thermo Scientific (Fisher), Chemat, Sigma-Aldrich, MedChemExpress. Available pack sizes: 400units , 5EA, 1KIU, 5KIU, 1.5KU, 10X1.5KU, 20X250UN, 250UN.