Tenofovir Alafenamide Hemifumarate

Appearance: White or off white crystalline particles;
Melting point: should be 128-131 ℃;
Specific rotation: should be+37 ° to+42 °;
Burning residue: not exceeding 0.1%
Dry weight loss: not exceeding 0.5%
Heavy metals: not exceeding 20 parts per million
Related substances: Single impurities should not exceed 0.1%, and the sum of peak areas of each impurity should not exceed 1.0%;
Enantiomer: not exceeding 0.15%;
Content: should be between 98.0% and 102.0%.