CAS: 56271-94-4 Molecular Formula: C15 H15 N3 O7 S Molecular Weight (g/mol): 381.36 Synonym: Descarbamoylcefuroxime, Cefuroxime Sodium Imp. A,640/2,Ph Eur Cefuroxime Sodium Impurity A IUPAC Name: (6R,7R)-7-[[(2Z)-2-(furan-2-yl)-2-methoxyiminoacetyl]amino]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid SMILES: CO\N=C(/C(=O)N[C@H]1[C@H]2SCC(=C(N2C1=O)C(=O)O)CO)\c3occc3