dimetridazole dimetridazole dimetridazole is a drug that combats protozoan infections. it is a nitroimidazole class drug. it used to be commonly added to poultry feed. this led to it being found in eggs. because of suspicions of it being carcinogenic its use has been legally limited but it is still found in the eggs. it is now banned as a livestock feed additive in many jurisdictions, for example in the european union, canada. and the united states. in the us, the food and drug administration bans it for extralabel use dimetridazoleclinical dataahfs/drugs.cominternational drug namesatcvet codeqp51aa07 (who) identifiers iupac name 1,2-dimethyl-5-nitro-1h-imidazole cas number551-92-8pubchem cid3090chemspider2980 yuniik59p7xnb8xkeggd07855 ychemblchembl38938 ycomptox dashboard (epa)dtxsid5020497 echa infocard100.008.184 chemical and physical dataformulac5h7n3o2molar mass141.130 g·mol−13d model (jsmol)interactive image smiles cc1ncc((=o)=o)n1c inchi inchi=1s/c5h7n3o2/c1-4-6-3-5(7(4)2)8(9)10/h3h,1-2h3 ykey:ibxpypujplloin-uhfffaoysa-n y (verify)