0 Tazobactam acid CAS 89786-04-9 In APIs, Pharmaceutical Chemicals, Products 89786-04-9,Tazobactam acid,(2S,3S,5R)-3-Methyl-4,4,7-trioxo-3-(1H-1,2,3-triazol-1-ylmethyl)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid