Characteristics: White or off white crystalline powder Identification :The retention time corresponds to that ofCK. The infrared spectru…
Characteristics: White or off white crystalline powder
Identification :The retention time corresponds to that of CK.
The infrared spectrum concordant to that of CK.
Specific rotation: -55°~ -61°
Loss on drying: ≤0.5%
Residue on ignition :≤0.1%
Heavy metals: ≤0.002%
Chloride :≤0.02%
Sulfate ash :≤0.02%
Fluoride content: 14.7%~17.9%
Related substance:
Single impurity: ≤0.5%
Total impurities: ≤1.0%
Optical isomer :≤0.5%
Chloroform :≤0.006%
Dichloromethane :≤0.06%
Methanol :≤0.3%
Isopropyl alcohol :≤0.5%
Acetone :≤0.5%
Assay: ≥98.5%
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