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Additional formulation: Crystallized free acid, Catalog No. 10 156 736 103", "Language": "en", "Country": "XG", "Code": "CB - Order Information" }, { "Name": "Positioning", "Value": "Substrate in enzymatic reactions with glutamate dehydrogenase or transaminases", "Language": "en", "Country": "XG", "Code": "Positioning" }, { "Name": "Specification", "Value": "Appearance: White to yellowish, crystalline powder
Solubility: Clear, colourless to yellowish solution in water, pH 7.3 (c=200 mg/mL)
A₄₀₅ (against water): ≤0.020
α-Ketoglutarate, salt (based on value found enzymatically): ≥97%
α-Ketoglutarate, free acid (enzymatic): ≥63%
Na (flame photometric): 20.5±1%
Water (K. Fischer): 15±2%
Heavy metals (as Pb): ≤20 ppm
Stability: At +15 to +25°C within specification range for 24 months.", "Language": "en", "Country": "XG", "Code": "Specification" }, { "Name": "Properties", "Value": "CAS Number: 305-72-6
Formula: C₅H₈O₇Na₂
Molecular weight: 226.1 D (α-KG: 146.1 D)", "Language": "en", "Country": "XG", "Code": "Properties" } ] } } ] }