delta-lactone aldonolactone aldono-1,5-lactone 178.048 178.14000 An aldonolactone obtained by formal oxidation of the anomeric position of any aldopyranose. C6H10O6 CHEBI:74105 InChI=1S/C6H10O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-5,7-10H,1H2 OCC1OC(=O)C(O)C(O)C1O PHOQVHQSTUBQQK-UHFFFAOYSA-N chebi_ontology