Tetramethylrhodamine-5-Iodoacetamide Dihydroiodide (5-TMRIA), single isomer (Invitrogen™)

The thiol-reactive tetramethylrhodamine-5-iodoacetamide dihydroiodide (5-TMRIA) can be used to can be used to create bright orange-red-fluorescent bioconjugates with excitation/emission maxima ∼555/580.