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α-Ketoglutarate (2-Oxoglutarate) for potassium test

free acid

For further processing only.

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Order information
α-Ketoglutarate (2-Oxoglutarate) for potassium test material number and pack size:
Material Number Pack Size
11332775103 custom fill
Will be supplied as "α-Ketoglutaric Acid for Potassium Test". Unit of measure is "kg".
Substrate for transaminases and glutamate dehydrogenase
Use α-Ketoglutarate for enzymatic potassium tests especially to remove ammonia from the reaction.
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): ≤0.020
Melting range: +113 to +117°C
α-Ketoglutaric acid (enzymatic): ≥98%
Water (K. Fischer): ≤1%
NH4 (enzymatic): ≤0.1%
Na (AES): ≤500 ppm
K (AES): ≤10 ppm
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.