Tetramethylrhodamine (TAMRA) cadaverine (full name: 5-(and-6-)-((N-(5-Aminopentyl)amino)carbonyl)tetramethylrhodamine) can be coupled to activated carboxy groups or sulfonyl chlorides.λEx/λEm (MeOH) = 544/571 nm Dark purple solid soluble in DMSO or DMF Store at -20°C and protect from light C30H34N4O4 MW: 514.62
