For further processing only. Others alpha-Ketoglutarate 2-Oxoglutarate free acid α-Ketoglutarate (2-Oxoglutarate) 3.2.9.19.3.1 free acid 10156736103 a-Ketoglutaric Acid, Free Acid alpha-Ketoglutarate (2-Oxoglutarate) 14038377155354 Reagents, kits custom fill Not Available CustomBiotech product. Please contact your local representative. Will be supplied as "α-Ketoglutaric Acid, Free Acid". Unit of measure is "kg". 328-50-7 en Use α-Ketoglutarate in a variety of diagnostic tests, such as for the determination of alanine aminotransferase, aspartate aminotransferase, ammonia, urea and glutamate dehydrogenase. en Substrate for transaminases and glutamate dehydrogenase en Appearance: White to yellowish, crystalline powderSolubility: Clear, colourless to yellowish solution in water (c=50 mg/mL)A405 (c=50 mg/ml in water, against water): ≤0.050Melting range: +113 to +117°Cα-Ketoglutaric acid (enzymatic): ≥98%Water (K. Fischer): ≤1%NH4 (enzymatic): ≤0.1%Heavy metals (as Pb): ≤10 ppmBioburden: ≤100 CFU/gReaction rates (Glutamate pyruvate transaminase (ALT)): ≥95%Reaction rates (Glutamate oxalacetate transaminase(AST)): ≥95%Stability: At +15 to +25°C within specification range for 36 months. en