Chloramphenicol Levo

CAS number: 56-75-7

Molecular formula: C11H12Cl2N2O5

molecular weight: 323.1294

Chemical structure:

Product name
Chloramphenicol
Shelf Life
1 year
ItemsStandardResult
CharactersA white, greyish-white or yellowish-white,fine,crystalline powder or fine
A yellowish-white,fine crystalline powder
Slightly soluble in water,freely soluble in alcohol and in propylene glycol. Its alcohol solution is dextrorotatory and its ethyl acetate solution is levorotatoryQualified
IdentificationMelting point: 149°C153°C149 C-152°C
1RQualified
TLC
Colar reaction
Gives reaction of chlorides
Acidity or alkalinityMeets the requirementsQualified
Specific optical rotation+ 18.5° +20_5o+ 19.8°
Related Substances
Individual impurity<0. 5%Qualified
Chlorides< 0. 01%Qualified
Loss on drying< 0. 5%0.10%
Sulphated ash< 0. 1%0.04%
Assay98.0% 102.0%99.7%
Microbial limitBacteria Not more than 10 per gQualified
Mold & yeast Absent per g
Escherichia coli Absent per g
Pseudomonas aeruginosa & staphylococcus aureus Absent per g
SterilityCompliesQualified
CONCLUSION: The product complies to the standard of BP2011.