Formula Weight: 708.42

Formula: C₂₂H₂₈N₆O₁₄P₂Na₂

UV Spectral Analysis: Ratios at pH 7.5
A₂₅₀/A₂₆₀ (0.82 ± 0.04)
A₂₈₀/A₂₆₀ (0.23 ± 0.03)

Purity: Determined by decrease in absorbance at 363 nm on enzymatic oxidation with ADH* at pH 7.5 (≧ 92%)
*ADH = Alcohol dehydrogenase (horse liver) (EC 1.1.1.1.)

Sodium content: 6.2 ± 2.0% by flame photometry

Water Content: < 8% by Karl Fischer

Condition for Storage:
Keep tightly stoppered in the dark below -20°C.
Moisture will reduce the purity.
For Prolonged storage, keep below -80°C.

Shipping Condition: Refrigerate