Formula: C₂₂H₃₂N₆O₁₇P₃

Formula weight:
745.45 (as anhydrous free acid)
886.41 (APADPH.Na₄.3H2O)

Purity: > 92% when determined by enzymatic analysis with glutamate dehydrogenase at pH 7.5

Sodium contents: 10.0 ± 2.0% by atomic absorption spectrophotometry

Water contents: < 8% by Karl Fischer method

Spectral analysis: Ratio at pH 10
A₂₅₀ / A₂₆₀ 0.82 ± 0.04
A₂₈₀ / A₂₆₀ 0.23 ± 0.03