BP Fluor 647-PEG4-TCO is a water-soluble, pH-insensitive (from pH 4 to pH 10), bright, far-red fluorescent probe with excitation ideally suited for the 633 nm or 647 nm laser lines. BP Fluor 647 TCO is routinely used for imaging of azide-containing biomolecules without the need for copper catalyst. TCO reagent is highly reactive with tetrazine in an inverse electron demand Diels Alder (IEDDA) reaction followed by a retro-DA reaction. Reagent grade, for research purpose.
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