CAS: 1273-81-0 Molecular Formula: C10H10Os Molecular Weight (g/mol): 320.42 MDL Number: MFCD00058734 InChI Key: IEHQTQKQMXEQRM-UHFFFAOYSA-N Synonym: osmocene PubChem CID: 22391851 IUPAC Name: cyclopenta-1,3-diene;osmium(2+) SMILES: C1C=CC=[C-]1.C1C=CC=[C-]1.[Os+2]