α-Ketoglutarate (2-Oxoglutarate)
free acid
For further processing only.
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Will be supplied as "α-Ketoglutaric Acid, Free Acid". Unit of measure is "kg".
α-Ketoglutarate (2-Oxoglutarate) material number and pack size: Material Number Pack Size 10156736103 custom fill - Substrate for transaminases and glutamate dehydrogenase
- Use α-Ketoglutarate in a variety of diagnostic tests, such as for the determination of alanine aminotransferase, aspartate aminotransferase, ammonia, urea and glutamate dehydrogenase.
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Formula: C5H6O5
Molecular weight: 146.1 D Appearance: White to yellowish, crystalline powder
Solubility: Clear, colourless to yellowish solution in water (c=50 mg/mL)
A405 (c=50 mg/ml in water, against water): ≤0.050
Melting range: +113 to +117°C
α-Ketoglutaric acid (enzymatic): ≥98%
Water (K. Fischer): ≤1%
NH4 (enzymatic): ≤0.1%
Heavy metals (as Pb): ≤10 ppm
Bioburden: ≤100 CFU/g
Reaction 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.