Fmoc-PEG4-alcohol is a PEG linker containing an Fmoc-protected amine and a terminal hydroxyl group. The Fmoc group can be deprotected under basic condition to obtain the free amine which can be used for further conjugations. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.