Cytarabine

White or almost white crystalline powder

Specific Rotation: +154°～+160°

Residue on ignition ≤0.5%

Total Impurities ≤0.3%

Assay: 98.0-102.0%

This drug is a pyrimidine antimetabolic antineoplastic drug with cell cycle specificity and is most sensitive to S-phase cells. It interferes with cell proliferation by inhibiting the synthesis of cell DNA. For all kinds of acute leukemia.