17-(Bromoacetamido-PEG9-ethylcarbamoyl)heptadecanoic acid tert-butyl ester is a PEG linker containing a functional group of bromo group and a functional group of tert-butyl to protect the carboxyl group. Carboxyl groups under tert-butyl protection can be deprotected under acidic conditions. Bromide (Br) is a very good leaving group.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
