The chemical JC-1 has a designated molecular formula of C25H27Cl4IN4 and a molecular weight of 652.223 g/mol. Synonyms may include: 5,6-Dichloro-2-(3-(5,6-dichloro-1,3-diethyl-2-benzimidazolinylidene)propenyl)-1,3-diethylbenzimidazolium iodide, Imidacarbocyanine iodide, 1,1',3,3'-tetraethyl-5,5',6,6'-tetrachloro-, 1,1',3,3'-Tetraethyl-5,5',6,6'-tetrachlorobenzimidazolocarbocyanine iodide, 1,1',3,3'-Tetraethyl-5,5',6,6'-tetrachloroimidacarbocyanine iodide, 5,5',6,6'-Tetrachloro-1,1',3,3'-tetraethylbenzimidazolocarbocyanine iodide, Bis(5,6-dichloro-1,3-diethyl-2-benzimidazole)trimethinecyanine iodide, CBIC2 (ChemID).