Cy5-PEG3-TCO4

Cy5-PEG3-TCO4 is a dye derivative of Cyanine 5 (Cy5) containing 3 PEG units. Cy5-PEG3-TCO4 utilizes its own TCO group to undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules bearing Tetrazine groups.

C49H69ClN4O6

845.55

CC(C1=CC=CC=C1N/2CCCCCC(NCCOCCOCCOCCNC(O[C@@H]3CCC/C=C\CC3)=O)=O)(C)C2=C/C=C/C=C/C4=[N+](C)C5=CC=CC=C5C4(C)C.[Cl-]

Fluorescent Dye

10 mM in DMSO

Room temperature