Raltitrexed Cas:112887-68-0 Assay: exceed or equal99.0% Appearance: Dark brown powder Identification: complies Related substance: single impurity less than or equal 0.3 percent.total impurities less than or equal 1.0 percent Enantiomer; less than or equal0.2 percent Moisture : less than or equal3.0 percent Residue on ignition: less than or equal0.1 percent Heavy metals: less than or equal 10ppm Acceptance standard: enterprise standard Package: 25 kg/barrel Capacity; five kg/month