Here you will find fluorescent dyes for click chemistry and bioorthogonal labeling, functionalized with SCO, BCN, TCO* (TCO-2-en), TCO (TCO-4-en), tetrazine and alkyne groups. Different PEG linker lengths are available for selected dyes. Click-DYEs are suitable for fluorescence labeling, imaging, detection and bioconjugation using SPAAC, SPIEDAC or CuAAC chemistry.