Cy5.5-PEG-DBCO (MW 2000)

Cy5.5-PEG-DBCO (MW 2000) is a fluorescent probe integrated with Cy5.5 dye. It includes a clickable functional group, DBCO, and PEG, enabling it to undergo a strain-promoted alkyne-azide cycloaddition reaction (SPAAC) with molecules featuring azide groups.