17-(Bromoacetamido-PEG6-ethylcarbamoyl)heptadecanoic acid tert-butyl ester is a PEG linker containing a bromo functional group and a tert-butyl protected carboxyl functional group. Bromide (Br) is a very good leaving group. The tert-butyl-protected carboxyl group can be deprotected under acidic conditions.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
