Formula: C20H26N10O22P5Li3
Molecular weight: 934.2 D (Ap5A: 916.4 D) Appearance: White to slightly yellowish lyophilizate
Solubility: Clear, colorless to slightly yellowish solution in water (c=10
mg/mL)
Ap5A-Li3 (from Porganic): ≥91%
Ap5A (A260, ε=26.4 [L x mmol-1 x cm-1]): ≥90%
Ap5A (from Porganic): ≥90%
Ap5A (HPLC): ≥95 area%
Li (flame photometric): 2.1±0.3%
Water (K. Fischer): ≤5%
Porganic (Ptotal-Pi): ≥15.2%
Pi: ≤1.5%
Thin layer chromatography (PEI-cellulose, KH2PO4, 0.75 mol/L):
Chromatographically homogeneous
A250/A260: 0.79±0.04
A280/A260: 0.21±0.03
A290/A260: 0.02±0.02
Stability: At +2 to +8°C within specification range for 24 months