6-TAMRA SE (full name: 6-Carboxytetramethylrhodamine succinimidyl ester) is the amine-reactive form of 6-TAMRA single isomer. Supplied at 90 mg/mL (0.17 M) in anhydrous DMSO. The solution is suitable for labeling oligonucleotides. &lamba;Ex/&lamba;Em (MeOH) = 540/565 nm Dark red solution Store desiccated at -20°C and protect from light C29H25N3O7 MW: 527.5