CAS: 89785-84-2 Molecular Formula: C10H12N4NaO5S Molecular Weight (g/mol): 323.279 MDL Number: MFCD00917472 InChI Key: ZUNWFYFXHGWFRA-QVUDESDKSA-N Synonym: tazobactam sodium salt PubChem CID: 66636300 IUPAC Name: (2S,3S,5R)-3-methyl-4,4,7-trioxo-3-(triazol-1-ylmethyl)-4$l^{6}-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid;sodium SMILES: CC1(C(N2C(S1(=O)=O)CC2=O)C(=O)O)CN3C=CN=N3.[Na]