ornithine oxoglutarate ornithine oxoglutarate ornithine oxoglutarate (ogo) or ornithine α-ketoglutarate (okg) is a drug used in liver therapy. it is the salt formed from ornithine and alpha-ketoglutaric acid. it is also used to improve nutritional health in elderly patients. ornithine oxoglutarateornithine (top) and ketoglutaric acid (bottom)clinical dataatc codea05ba06 (who) identifiers iupac name 2-oxopentanedioic acid - l-ornithine (1:1) cas number34414-83-0 ypubchem cid78866chemspider71201comptox dashboard (epa)dtxsid20187988 echa infocard100.047.261 100.023.615, 100.047.261 chemical and physical dataformulac10h18n2o7molar mass278.261 g·mol−13d model (jsmol)interactive image smiles c(c(c(=o)o)n)cn.c(cc(=o)o)c(=o)c(=o)o inchi inchi=1s/c5h12n2o2.c5h6o5/c6-3-1-2-4(7)5(8)9;6-3(5(9)10)1-2-4(7)8/h4h,1-3,6-7h2,(h,8,9);1-2h2,(h,7,8)(h,9,10)/t4-;/m0./s1key:slpuvfbnqhveeu-wcckrbbisa-n (verify)