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NADH, Grade I

disodium salt

For further processing only.

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Order information
NADH, Grade I material number and pack size:
Material Number Pack Size
10004634103 250 g or custom fill
Will be supplied as "b-NADH, Reduced, Disodium Salt, Grade I". Unit of measure is "kg".
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Overview
Cofactor for a variety of dehydrogenases, e.g., malate dehydrogenase and lactate dehydrogenase.
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Application
Use NADH, Grade I, as a cofactor in a variety of diagnostic tests, such as for glutamate dehydrogenase, lactate dehydrogenase, α-hydroxybutyrate dehydrogenase, aminotransferases and urea.
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Specification
Formula: C21H27N7O14P2Na2
Molecular weight: 709.4 D (NADH: 665.4 D)
Appearance: White to slightly yellowish amorphous powder
Solubility: Clear, colorless to slightly yellowish solution in water (c=50 mg/mL)
NADH-Na2 (calculated from value found enzymatically, based on dry weight): ≥99%
NADH (enzymatic): ≥85%
NADH ( A340, ε=6.3 [L x mmol-1 x cm-1]): ≥85%
NADH (A260, ε=14.3 [L x mmol-1 x cm-1]): ≥85%
Na (flame photometric): 6.5±0.5%
Water (K. Fischer): ≤5%
NAD (enzymatic): ≤0.5%
AMP (enzymatic): ≤0.2%
Ethanol (GC): ≤4%
Reaction rates (LDH) based on standard: 95-105%
A260/A340: ≤2.35
A260/A240: 1.57-2.17
Stability: At +2 to +8°C within specification range for 12 months. Keep under nitrogen. Protect from light.