Biotin-PEG23-Azide (CAS: 956494-20-5) is a versatile PEG derivative with a biotin group for strong streptavidin binding and an azide group for efficient Click Chemistry reactions. The PEG23 spacer enhances solubility and flexibility, making it ideal for bioconjugation, drug delivery, protein labeling, and surface modifications.
Polyethylene Glycol PEG Linkers > Biotin PEG > Biotin-PEG-Azide
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