Formula: C₁₇H₂₀N₄O₆ CAS: 83-88-5 EC No.: 201-507-1 M (Molar Mass): 376.36 g/mol D (Density): 1.65 g/cm³ (approx.) mp (Melting Point): ~280 °C (decomposes) bp (Boiling Point): Not applicable Optical Rotation: [α]²⁰D -115° to -135° (c=0.5 in 0.1N NaOH)

Assay (UV-Vis, ε₄₄₅=12500): ≥ 99.0 % Appearance: Yellow to orange-yellow crystalline powder. Identification (UV-Vis, Fluorescence): Passes test. Specific Rotation: [α]²⁰/D = -120° to -130° Solubility: Slightly soluble in water; soluble in dilute alkalies. Loss on Drying (105°C): ≤ 1.5 % Residue on Ignition: ≤ 0.1 % Lumiflavin: Passes test (limit of absence).