FmocNH-PEG2-amine contains an Fmoc protected amine and a free amine. The linker is used for controlled bioconjugation of amine with carboxylic acid or corresponding activated ester bearing biomolecules. Fmoc is readily deprotected under mild basic coniditions.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.