TCO-PEG3-FITC constitutes a bifunctional PEG linker comprised of a TCO to participate in fast click chemistry reactions with tetrazine-bearing molecules and FITC, which serves as green fluorophore with excitation and emission maxima at 491 nm and 516 nm respectively. The PEG3 units bolster the water-solubility of the compound. Reagent grade, for research purpose.
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