Cefoxitin Sodium
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Certification of Analysis
Product Name
Cefoxitin Sodium
CAS No
33564-30-6
Catalog No
SC-16182
Quantity
10kg
Batch No
20131017
Product Date
2013.10.17
Date of analysis
2013.10.17
Items of analysis
Specification
Results
Appearance
White or almost white powder
Almost white powder
PH
4.2~7.0
5.4
Specific rotation
+206°~214°
+210°
Water
≤1.0%
0.5%
Related substances
Single impurity≤0.5%
0.3%
Total impurity ≤4.0%
1.0%
Residual solvent
Methanol≤0.3%
0.2%
Ethanol≤0.5%
ND
Acetonitrile ≤ 0.041%
ND
Acetone ≤ 0.5%
0.1%
Ethyl acetate ≤ 0.5%
ND
Tetrahydrofuran ≤ 0.072%
ND
Dichloromethane ≤ 0.06%
ND
Heavy metals
≤20%ppm
＜20ppm
Assay
92.7%min
94.1%
Remark
Declaration: For laboratory use by technically qualified individual only
Sealed、Cool、Dark and dry place
Conclusion
It accords with the Enterprise Standard
Analyst: Jack Fu Check: Anne Zhang Date: 2013-10-17
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