Item of analysis
Standard
Appearance
White or off white powder
Melting point
65℃--70℃
Specific optical rotation
+60°~+65°
Identification
HPLC retention time of chromatographic peak of sample corresponds to standard.
Water Content
≤0.5%
Loss on drying
≤1.0%
Residue on ignition
≤0.1%
Heavy metals
≤20ppm
Related substance
Any individual impurity≤0.25%
Total impurties≤1.0%
Purity
≥99.0%
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