CAS: 1075-89-4 Molecular Formula: C9H13NO2 Molecular Weight (g/mol): 167.208 MDL Number: MFCD00023871 InChI Key: YRTHJMQKDCXPAY-UHFFFAOYSA-N Synonym: 3,3-tetramethyleneglutarimide,8-azaspiro 4.5 decane-7,9-dione,azaspirodecanedione,1,1-cyclopentanediacetimide,8-aza-spiro 4.5 decane-7,9-dione,buspirone impurity k,dsstox_cid_31405,dsstox_rid_97291,dsstox_gsid_57616 PubChem CID: 136843 IUPAC Name: 8-azaspiro[4.5]decane-7,9-dione SMILES: C1CCC2(C1)CC(=O)NC(=O)C2