nitroxinil nitroxinil nitroxinil is an anthelmintic, a veterinary medicine against parasitic worms in sheep and cattle. the substance is active against the liver fluke the fasciola hepatica and to a lesser extent against thread worms in the gastrointestinal tract. brand names include fluconix, dovenix and trodax. nitroxynil is also used against strains of the red gum worm (haemonchus contortus) that have become resistant to benzimidazoles. nitroxinilstructure of nitroxinilclinical datatrade namesfluconix, dovenix, trodaxother namesnitroxynilroutes ofadministrationsubcutaneous in the form of an n-ethylglucamine salt solutionatcvet codeqp52ag08 (who) identifiers iupac name 4-hydroxy-3-iodo-5-nitrobenzonitrile cas number1689-89-0pubchem cid15532unii9l0exq7125comptox dashboard (epa)dtxsid9075117 echa infocard100.015.350 chemical and physical dataformulac7h3in2o3molar mass290.016 g·mol−13d model (jsmol)interactive imagemelting point136–139 °c (277–282 °f) smiles c1=c(c=c(c(=c1(=o))o)i)c#n inchi inchi=1s/c7h3in2o3/c8-5-1-4(3-9)2-6(7(5)11)10(12)13/h1-2,11h nitroxinil was invented by may & baker in the mid 1960s as part of a program into investigation of derivatives of p-hydroxybenzonitrile. in addition to nitroxynil, the herbicides ioxynil (3,5-diiodo) and bromoxynil (3,5-dibromo) were also invented by the same company. nitroxynil has a nitro group in addition to a single iodine group. nitroxynil is almost insoluble in water. it is usually injected subcutaneously into the animals in the form of the water-soluble ethylglucamine salt. it must not be administered to animals that produce milk for human consumption.