Certification of Analysis
Product Name |
(+)-NAPROXEN |
CAS No |
22204-53-1 |
Catalog No |
SC-02561 |
Quantity |
500g |
Batch No |
20130425 |
Product Date |
2013.04.25 |
Date of analysis |
2013.04.25 |
Items of analysis |
Specification |
Results |
Appearance |
A white or almost white crystalline powder |
Almost white crystalline powder |
Infrared Absorption |
The infrared absorption spectrum is concordant with the reference spectrum |
Conform |
Ultraviolet Absorption |
Absorptivities at 271nm, calculated on the dried base, do not differ by more than 3% |
<1% |
Specific rotation |
+83.0°~ +89.5° |
+88.0° |
Loss on drying |
≤0.5% |
0.1% |
Heavy metals |
≤0.002% |
<0.002% |
Total impurities |
≤1.0% |
0.03% |
Organic residual solvent |
≤100ppm |
<10ppm |
Assay (On dry basis) |
98.5% ~ 101.5% |
99.4% |
Remark |
Declaration: For laboratory use by technically qualified individual only |
|
Conclusion |
It accords with the Enterprise Standard |
Analyst: Jack Fu Check: Anne Zhang Date: 2013-04-25
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