Formula: C₁₅H₂₂N₄O₃·HCl CAS: 2645-08-1 EC No.: 220-161-3 M (Molar Mass): 342.82 g/mol D (Density): Not applicable (crystalline powder) mp (Melting Point): Decomposes bp (Boiling Point): Not applicable Optical Rotation: [α]²⁰D -13° to -16° (c=2 in H₂O)

Assay (HPLC): ≥ 98.0 % Appearance: White crystalline powder. Identification (IR Spectrum, Optical Rotation): Passes test. Specific Rotation: [α]²⁰/D = -13° to -16° (c=2, H₂O) Purity (Enzymatic): Suitable as substrate for trypsin. pH (1% solution): 3.0 - 5.0 Loss on Drying (at 105°C): ≤ 0.5 % Residue on Ignition: ≤ 0.1 %