Formula: C₂₁H₂₇N₇O₁₄P₂ (Free acid) CAS: 53-84-9 EC No.: 200-184-4 M (Molar Mass): 663.43 g/mol D (Density): ~1.0 g/cm³ (approx., for solid) mp (Melting Point): Decomposes bp (Boiling Point): Not applicable Extinction Coefficient: ε₂₆₀ nm = 16,900–18,000 M⁻¹cm⁻¹ (pH 7)

Assay (Enzymatic/UV): ≥ 95.0 % (NAD⁺) Appearance: White to off-white lyophilized powder. Identification (UV): Passes test (A₂₆₀/A₂₈₀ ≈ 2.3). Purity (A₂₆₀/A₂₈₀): ≥ 2.2 Solubility (in Water): Clear, colorless solution. Water (Karl Fischer): ≤ 5.0 % Enzymatic Activity: Suitable for use in dehydrogenase-coupled assays (e.g., with Alcohol Dehydrogenase).