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free acid

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Thio-NAD material number and pack size:
Material Number Pack Size
04635396103 custom fill
Will be supplied as "Thio-NAD free acid". Unit of measure is "g".
NAD analog with an absorbance maximum of thio-NADH at 405 nm.
Use Thio-NAD instead of NAD in enzymatic reactions to measure the reaction kinetics at 405 nm, e.g., kinetic enzyme cycling methods using Thio-NAD and NADH.
Formula: C21H27N7O13SP2
Molecular weight: 679.5 D
Appearance: Yellowish powder
Solubility: Clear, colorless to slightly yellowish solution in water (c=37 mg/mL)
Thio-NAD (A259, ε=19.7 [L x mmol-1 x cm-1]): ≥95%
Water (K. Fischer): ≤4%
A398/A340 (against water) : ≤0.124
A236/A259 (against water) : 0.640-0.670
A296/A259 (against water) : 0.244-0.264
Revision of absorption in presence of 0.4 mmol/L NADH: ≤0.001 abs/min
Ca (AAS): No limit
Mg (AAS): No limit
Stability: At -15 to -25°C within specification range for 12 months.