5-TAMRA-PEO3-amine (Tetramethylrhodamine-PEO3-amine) has a long water-soluble PEG spacer separating the dye and the amine functional group. The dye can be coupled to activated carboxy groups or sulfonyl chlorides. &lamba,Ex/&lamba,Em (MeOH) = 544/571 nm Dark purple solid soluble in DMSO, DMF, or H2O Store at 4C and protect from light C37H42F6N4O11 MW: 832.74
Source:
Synthetic
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