Description
Azide-3,6,9-trioxaundecan-Rhodamine B (Azide-PEG3-Rhodamine B, N3-PEG3-RhB) is a linear bifunctional PEG reagent with  reactive azide  on one end and  fluorescent probe (red) on the other end for labeling.  it is used for crosslinking PEGylation via a click chemistry reaction between azide and alkyne or acetylene.








