Chloramphenicol Powder is used in pharmaceutical industry for formulation of antibiotics. It is known to have chemical formula C11H12Cl2N2O5 with molecular weight of 323.1320 g/mol. This powder is also required for making eye ointment which is used to treat conjunctivitis. It is known to work by inhibiting activity of peptidyl transferase which results in prevention of protein chain elongation thus causing bacterial death. Chloramphenicol Powder shows effectiveness against wide range of grams positive & grams negative bacterial strains with targeted mode of action. It gets metabolized in liver with protein binding ability of about 60% and elimination half life of up to 3.3 hours.