TCO-PEG3-PB is a click chemistry fluorescent dye containing a tetrazine-reactive TCO moiety and pacific blue moiety which has an excitation wavelength of 410 nm and emission maxima of 455 nm. The half-life of TCO is short as it will naturally isomerize into CCO (cis-cycloctene) and lose the reactivity. TCO compound is not recommended for long term storage.
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