Fmoc-N-amido-PEG4-t-Boc-Hydrazide CAS:1263044-77-4 is a Fmoc-protected amine and Boc-protected hydrazide PEG reagent. The Fmoc group can be deprotected under basic conditions for further coupling. Hydrophilic PEG spacers increase solubility in aqueous media. Boc can be deprotected under mild acidic conditions and can be coupled with various carbonyl groups.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.