Product: Entecavir
Molecular formula: C12H15N5O3. H2O

Appearance: Almost white or white powder
Purity: Not less than 98. 5% complies
EE value: Not less than 98. 5% complies
Melting point: Not less than 220 complies
Specific rotation: +32. 0~ +36. 0 complies
Loss on drying: Not more than 0. 5% complies
Heavy metals: Not more than 20ppm complies
Residue on ignition: Not more than 0. 1% complies