Molecular Formula：C23H23N3O5.HCl;C23H24ClN3O5

Molecular Weight: 457.91

CAS Registry Number: 119413-54-6

Character: Yellowish crystalline powder; No visible evidence of contamination by foreign material; Assay(Calculated on the dried basis):≥99.0%; Identification:The principle peak in the chromatogram obtained with the test solution under assay is similar in retention time to the principle peak in the chromatogram obtained with the reference solution; Loss on Drying:≤12%;Residue on Ignintion:≤0.2%;Heavy Metals:≤20ppm;Specific Optical Rotation: +91.0皌o 101.0? Ph:3.0 to 5.0;Related Substance: (total impurities≤1.5%);Residual Solvents: (Ethanol≤5000ppm;Acetone≤5000ppm); Oegantic Volatile Imiourities: ( Methylene Chloride≤600ppm); Bioburdon: (total Plate Count≤1000CFU/g;Molds≤100CFU/g;E.coil:Absent).