Entecavir cas no:209216-23-9

Key Attributes.

Tests Specifications Description White to off-white powder Identification The IR absorption spectrum of the sample must be concordant with entecavir Optical roration + 24.0°- +28.0° (DMF: MOH=1:1 c=1%) Water 5.8%-6.5% Residue on ignition =0.1% Related Substances Total Impurities = 0.3% Single Impurities =0.1% Assay = 99.7%