A carboxyl-reactive reagent containing a polyethylene glycol spacer arm.
Azido-PEG3-Amine is a polyethylene glycol-containing reagent with a terminal primary amine that can be reacted with carboxyl groups in the presence of activators (e.g. EDC, or DCC) or with activated esters (e.g. NHS esters) forming a stable amide bond.
Water, DMF, DMSO, DCM, THF, Chloroform
Colourless to slightly yellow oil