NCIt definition : The chloride salt of ethidium (a fluorochrome), Ethidium Chloride intercalates within
double-stranded nucleic acids, particularly DNA. In molecular biology, the bromide
salt of ethidium is used to detect and visualize DNA after electrophoresis or in cytochemical
preparations. In veterinary pharmacology, it is used as a trypanosomicide. Ethidium
bromide and chloride are toxic substances and potent noncompetitive antagonists of
the nicotinic acetylcholine receptor. (NCI04);
NCIt note : Intercalates with DNA, causing inhibition of DNA replication and RNA synthesis.;