Azido-PEG4-beta-D-glucose is widely used in bioconjugation and click chemistry applications. Its azide group allows for efficient and selective reactions with alkynes, making it valuable for labeling biomolecules like proteins, peptides, and nucleic acids. In glycobiology, it serves as a tool for studying glycosylation processes and synthesizing glycan-based probes. Additionally, it is employed in the development of drug delivery systems, where its PEG spacer enhances solubility and biocompatibility. This compound is also utilized in the creation of biosensors and diagnostic tools, enabling the detection and analysis of biological interactions. Its versatility makes it a key reagent in chemical biology and pharmaceutical research.