For further processing only. Others NADH Grade II NADH, Grade II 3.2.2.1.4.1 disodium salt 10004642103 b-NADH, Reduced, Disodium Salt, Grade II NADH, Grade II Reagents, kits 250 g or custom fill Not Available CustomBiotech product. Please contact your local representative. Will be supplied as "b-NADH, Reduced, Disodium Salt, Grade II". Unit of measure is "kg". 606-68-8 en Use NADH, Grade II, as a cofactor in a variety of diagnostic tests, such as for glutamate dehydrogenase, lactate dehydrogenase, α-hydroxybutyrate dehydrogenase, aminotransferases and urea. en Cofactor for a variety of dehydrogenases, e.g., malate dehydrogenase and lactate dehydrogenase. en Appearance: White to slightly yellowish amorphous powderSolubility: Clear, colourless to slightly yellowish solution in water (c=50 mg/mL)NADH (enzymatic): ≥84.0%NADH (A340, ε=6.3 [L x mmol-1 x cm-1]): ≥84.0%NADH (A260, ε=14.3 [L x mmol-1 x cm-1]): ≥85.0%Na (flame photometric): 6.5±0.5%Water (K. Fischer): ≤6.0%Ethanol (GC): ≤4.0%NAD (enzymatic): ≤1.00%AMP (enzymatic): ≤0.20%Reaction rates (LDH) based on standard:Sample dissolved freshly: 95-105%After 8 days, +45°C: ≥97%HPLC (after 8 days, +45°C, A260/A340): ≤2.40HPLC (after 8 days​​​​​​​, +45°C, A260/A240): 1.57-2.17Stability: At +2 to +8°C within specification range for 12 months, stored dry, under nitrogen and protected from light. en