Artemether is an antimalarial drug used to treat uncomplicated malaria caused by Plasmodium falciparum. Impurities in artemether may affect the efficacy and safety of the drug. Therefore, it is important to identify and control the levels of impurities in artemether to ensure its quality and safety for use. Common impurities found in artemether include ether and alkene impurities, which can be controlled through proper manufacturing and quality control processes.