FMOC-NH-PEG- Succinimidyl Valerate (FMOC-NH-PEG-SVA), MW 5K is a heterobifunctional PEG derivative with a succinimidyl group. The Fmoc group can be deprotected under basic conditions to give the free amine. Free NHS groups can react with amines, and protected amines can be regenerated under mildly acidic conditions.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.