(5,6)TAMRA-PEG3-Azide-PEG3-Desthiobiotin

(5,6)TAMRA-PEG3-Azide-PEG3-Desthiobiotin is a dye derivative of TAMRA (HY-135640) containing 3 PEG units. (5,6)TAMRA-PEG3-Azide-PEG3-Desthiobiotin contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.