CAS: 123-54-6 Molecular Formula: C5H8O2 Molecular Weight (g/mol): 100.12 MDL Number: MFCD00008787 InChI Key: YRKCREAYFQTBPV-UHFFFAOYSA-N Synonym: 2,4-pentanedione,acetylacetone,2,4-pentadione,diacetylmethane,acetoacetone,acac,2,4-dioxopentane,pentanedione,pentan-2,4-dione,acetyl acetone PubChem CID: 31261 ChEBI: CHEBI:14750 IUPAC Name: pentane-2,4-dione SMILES: CC(=O)CC(C)=O