Formula: C₂₁H₂₉N₇Na₂O₁₄P₂ (Disodium salt common) CAS: 606-68-8 EC No.: 210-107-0 M (Molar Mass): 709.40 g/mol (disodium) D (Density): ~1.0 g/cm³ (approx.) mp (Melting Point): Decomposes bp (Boiling Point): Not applicable Extinction Coefficient: ε₃₄₀ nm ≈ 6,220 M⁻¹cm⁻¹ (pH 7)

Assay (Enzymatic/UV): ≥ 97.0 % (NADH) Appearance: White to off-white lyophilized powder. Identification (UV): Passes test (peak at ~340 nm, A₂₆₀/A₃₄₀ ≈ 2.3). Purity (A₂₆₀/A₃₄₀): ≤ 2.5 Solubility (in Water/Buffer): Clear, colorless solution. Water (Karl Fischer): ≤ 5.0 % Enzymatic Activity: Suitable for use in dehydrogenase-coupled assays.