User:Meenakkshi/sandbox

Antibiotic chloramphenicol is preffered for treatment of typhoid fever.Naturally occuring human hormone thyroxine ,deficiency of which cause gioter.Chloroquine is used for treatment of malaria and halothane(CF3CHClBr)is used in surgery as an anesthetic.Certain fully fluorinated compounds are being considered as potential blood sustitutes in surgery.These organic halogen copounds are regarded as synthetic tools in the hands of chemists because these serves as important starting material s for the systhesis of a wide range of other substances.