β-N A D H 

β-Nicotinamide-adenine dinucleotide (=β-NAD), reduced form (disodium salt) 

β-Diphosphopyridine nucleotide (=β-DPN), reduced form (disodium salt) 

Coenzyme-I, reduced form (disodium salt)

Structure

Formula：：C21H27N7O14P2・Na2

Formula weight：：709.4

Specification：

    Purity

    Determined by Enzymatic Method（ADH）：≧95%

    Water Content：＜8%

    Na：6.5±1.5%

    UV Spectral Analysis

        ε at 260 nm and pH 10：（14.4±0.5）×10³

        ε at 340 nm and pH 10：（6.3±0.2）×10³

        Ratio at pH 10

        A₂₅₀/A₂₆₀：0.82±0.03        

        A280/A260：0.23±0.02        

        A340/A260：0.43±0.01