N-Boc-Biocytin CAS:62062-43-5 is a biotin PEG linker containing Boc-protected amine and carboxyl groups. The Boc group is deprotected under acidic conditions to obtain a free amine. Biotin can also be alkylated by using trifunctional reagents, biotin immobilized or immobilized.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.