Definition: A family of 3,6-di(substituted-amino)-9-benzoate derivatives of xanthene that are used as dyes and as indicators for various metals; also used as fluorescent tracers in histochemistry.
tetramethylrhodamine isothiocyanate [ Methanaminium, N-(9-(2-carboxy-4-thiocyanatophenyl)-6-(dimethylamino)-3H-xanthen-3-ylidene)-N-methyl-, chloride,TRITC,rhodamine tetramethylisothiocyanate ] used for labeling of antibodies with fluorochromes; easily dissolved with DMSO; conjugates with immunoglobulins