NAD Grade II, free acid Product Description Absorbance coefficients: 17.6 x 103 l x mol-1 x cm-1 at 260 nm, 5.9 x 103 l x mol-1 x cm-1 at 333 nm (CN complex) Absorbance maximum: 260 nm Formula: C21H27N7O14P2 Molecular weight: Mr = 663.4 pH value in water: approximately 3.0 (50 mg/ ml) Stability: Solid: stable at +2 to +8°C, stored dry Solution: 10 mg/ml in aqueous solution, contains at least 99% NAD after 4 weeks at +2 to +8°C Contents Lyophilizate Quality Purity: 98% β-NAD based on dry weight (enzymatically, CN-complex and absorbance) Absence of contaminants: LDH inhibitors are not detectable Organic solvents: <0.5% (GC) |