Full Name: β-Nicotinamide-Adenine Dinucleotide, Oxidized Form (NAD)
CAS No.: 53-84-9
Formula Weight: 663.43
Formula: C21H27N7O14P2
UV Spectral Analysis:
Ratios at pH 7.5
A250/A260 (0.83 ± 0.03)
A280/A260 (0.21 ± 0.02)
ε at 260 nm (18.0 ± 0.5) x 103
Ratios at pH 10 after reduction with ADH*
A340/A260 (0.43 ± 0.01)
ε at 340 nm (6.3 ± 0.2) x 103
Purity: ≧ 95% when determined by enzymatic analysis with alcohol dehydrogenase* at pH 10
*ADH = Alcohol dehydrogenase (yeast)(EC 1.1.1.1.)
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.
Shipping condition: Refrigerate