Description:Yellow or pale yellow amorphous powder,has hygroscopicity
Specific Rotation:+22.4°
PH:4.15
Anhydro-daptomycin:0.37%
Β-Isomer:0.34%
Lactone hydrolysis product:0.30%
Impurity at RRT 0.90:0.84%
Impurity at RRT 1.15:0.38%
Impurity at RRT 1.55:0.39%
Total impurities:2.93%
Heavy Metals:20 ppm max
Water:3.08%
Residue on Ignition:0.65%
Assay(on the anhydrous basis):94.6%
Residual Ethanol:5.0% max
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