Chloramphenicol

Product Name Chloramphenicol
Alias Chloromycetin
CAS 56-75-7
 EINECS 200-287-4
 MF C11H12Cl2N2O5
 MW 323.13
Assay 99%
Grade Pharmaceutical Grade
Appearance White Powder

CERTIFICATE OF ANALYSIS

Product name
Chloramphenicol
CAS No.
56-75-7
Outer Packing
25kg/drum
Production date
Apr 10,2015
Shelf life
Apr 10,2018
Standard adopted
BP2007
Items of analysis
Specification
Results
Characters
Fine, white to grayish-white or yellowish-white ,needle-like crystals or elongated plates.
Qualified
Identification
Infrared adsorption spectrum IR
Qualified
Melting range
149.0~153.0℃
149.2
PH
4.50~7.50
5.4
Specific optical rotation
+18℃~+20.0℃
+20.2℃
Related substances
≤ 0.50%
0.5
chloride
≤ 0.01%
0.01
Loss on drying
≤ 0.50%
0.12
Sulfate Ash
≤0.1%
0.07
Assay (on dry basis)
98.0-102.0%
99.72
Conclusion
Qualified

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