CAS: 110-99-6 Molecular Formula: C4H6O5 Molecular Weight (g/mol): 134.09 MDL Number: MFCD00004309 InChI Key: QEVGZEDELICMKH-UHFFFAOYSA-N Synonym: diglycolic acid,2,2'-oxydiacetic acid,oxydiacetic acid,acetic acid, 2,2'-oxybis,oxybisacetic acid,oxydiethanolic acid,diglycolicacid,bis carboxymethyl ether,oxodiacetic acid,3-oxapentanedioic acid PubChem CID: 8088 IUPAC Name: 2-(carboxymethoxy)acetic acid SMILES: OC(=O)COCC(O)=O