Axispharm offers high-purity Biotin-EDA, a simple biotinylation of antibodies, proteins and any other carboxyl-containing biomolecules. The primary amine group of this biotin amine reagent can react with -NHS, -COOH and other moieties to form stable and irreversible amide bonds.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.