Rivastigmine
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Certification of Analysis
Product Name
Rivastigmine (Form of tartaric acid )
CAS Number
123441-03-2
Catalog No
SC-19405
Quantity
10g
Batch No
20120705
Product Date
2012.07.05
Date of Analysis
2012.07.05
Items of Analysis
Specification
Results
Appearance
White powder
White powder
Optical purity
≥99.0%
99.9%
Specific rotation
+4.0°-+6.0°
+5.8°
Melting point
121-126℃
122.4-125.8℃
Heavy metals
≤10ppm
＜10ppm
Residue on ignition
≤0.1%
0.06%
Water
≤0.5%
0.24%
Related substance
(S)-3-1(-Dimethylamino)ethylphenol≤0.3%
0.02%
Any other single impurity≤0.5%
0.06%
Total impurity≤1.0%
0.11%
Residual solvent
Ethanol≤0.5%
0.01%
Acetonitrile≤0.041%
ND
Dichloromethane≤0.06%
ND
Ethyl acetate≤0.5%
0.05%
Carbon tetrachloride≤0.0004%
ND
Remark
Declaration: For laboratory use only - not for drug, household or other use.
Conclusion
Conform with specification
Analyst: Andy Fu Check: Annis Zhang Date: 2012-07-05
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