Selling Adefovir Dipivoxil

Subject                       Specifications                          Results

 Appearance   White powder or off-white powder  White powder

Individual ester       ≤0.3%                                              0.0113%

Total Impurity          ≤0.5%                                            0.2891%

Single eater           ≤0.2%                                              0.0637%

Loss on drying       ≤0.5%                                                0.31%

Residue on ignition≤0.2%                              0.175 %

Heavy metals         ≤20ppm                      conforms

Melting point           98-101c                  99.3-100.8c

Assay                       ≥99.5%                  99.7109%