Definition: Compounds that contain three methine groups. They are frequently used as cationic dyes used for differential staining of biological materials.
3,3'-dipropyl-2,2'-thiadicarbocyanine [ DPTDCI,3,3'-bis(propylthia)dicarbocyanine,3,3'-dipropyl-2,2'-thiadicarbocyanine chloride,3,3'-dipropyl-2,2'-thiadicarbocyanine thiocyanate,3,3'-dipropylthiacarbocyanine iodide,3,3'-dipropylthiodicarbocyanine iodide,DiSC3(5),diS C3-(5),diS-C3-(5) ] potent inhibitor of endogenous respiration of Ehrlich ascites tumor cells; RN given refers to iodide; RN for parent cpd not in Chemline 10/24/83; structure