Full Name: β-Nicotinamide-Adenine Dinucleotide, Reduced Form (β-NADH)

CAS No.: 606-68-8

Formula Weight: 709.41
Formula: C21H27N7O14P2Na2

UV Spectral Analysis: Ratios at pH 10.0
A250/A260 (0.83 ± 0.03)
A280/A260 (0.23 ± 0.02)
A340/A260 (0.43 ± 0.01)
ε at 260 nm: (14.4 ± 0.5) x 103
ε at 340 nm: (6.3 ± 0.2) x 103

Purity: Dertermined by decrease in absorbance at 340 nm on enzymatic oxidation with ADH* at pH 10.0 > 95%
*ADH = Alcohol dehydrogenase (yeast) (EC 1.1.1.1.)

Sodium Content: 6.5 ± 1.5% by flame photometyl
Water Content: < 8% by Karl Fischer

Condition for Storage:
Keep tightly stoppered in the dark below 5°C.
Moisture will reduce the purity.
For prolonged storage, keep below -20°C.
Unstable in acids, but relatively stable at pH 10-11.

Shipping Condition: Refrigerate

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