a-Ketoglutaric acid, an a-ketoacid, is identified as a potential, renal cell carcinoma (RCC) biomarker via urinary metabolomic profiling. It plays an important role in living beings as an angiogenesis suppressor. Synonyms: 2-Oxoglutaric acid; 2-Oxopentanedioic acid Molecular Formula: C5H6O5…