A carboxyl-reactive building block with PEG4 spacer arm.
DBCO-PEG4-Amine is a carboxyl-reactive building block with enhanced solubility in aqueous media used to derivatise carboxyl groups in the presence of activators (e.g. EDC, or DCC) or activated esters (e.g. NHS esters) through a stable amide bond.
DMF, DMSO, DCM, THF, Chloroform
Yellow to slightly orange oil