Purity Limit: ≥ 97.5% (anhydrous assay) CAS No.: 2058-46-0 Molecular Formula: C22H24N2O9·HCl Molecular Weight: 496.89 MDL No.: MFCD00135815 Appearance: Yellow crystalline powder Optical Rotation: -188 to -200 º Storage Temperature: Store at 0-8ºC