in-house standard. Product name: NifuratelChemical name: 5-methylthiomethyl-3-(5-nitrofurfurylideneamino)-2-oxazolidoneCAS: 4936-47-4Appearance:yellow crystal powderPurtity: ≥99%Molecular formula: C10H11N3O5SMolecular weight: 285.28MP: 176-178°C Nifuratel