CAS: 7440-04-2 Molecular Formula: Os Molecular Weight (g/mol): 190.23 MDL Number: MFCD00011147 InChI Key: SYQBFIAQOQZEGI-UHFFFAOYSA-N Synonym: ion,metallic,osmium, elemental,unii-2e7m255opy,os4,osmio,hydrido,hydride,atom,powder PubChem CID: 23937 ChEBI: CHEBI:30687 IUPAC Name: osmium SMILES: [Os]