Biotin-hydrazide is a hydrazide-activated biotinylation reagent. It is widely used to label glycoproteins, carbohydrate-containing compounds that have oxidizable sugars or aldehydes through hydrazone linkage. The newly formed hydrazone bonds are reversible under acidic condition.
Axispharm offers 3000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.