Tetramethylrhodamine isothiocyanate mixed isomers is an amino-reactive labeling reagent. 5(6)-TRITC is widely used in preparing bioconjμgates of proteins and nucleic acids.An amino-reactive labeling reagent. Tetramethylrhodamine isothiocyanate mixed isomers is an amino-reactive labeling reagent. 5(6)-TRITC is widely used in preparing bioconjugates of proteins and nucleic acids. An amino-reactive labeling reagent. application： 5(6)-TRITC is widely used in preparing bioconjugates of proteins and nucleic acids. It is suitable for protein, peptide and nucleotide labeling. Serves as an acceptor for FRET. It is recommended as a donor molecule in these FRET-based applications.