Biotin-PEG4-Alcohol (CAS: 1217609-84-1) is a water-soluble molecule with a biotin head, PEG4 spacer, and hydroxyl (-OH) group. It enables bioconjugation, surface modification, and targeted drug delivery with high flexibility and strong biotin-avidin binding.
Polyethylene Glycol PEG Linkers > Biotin PEG > Biotin alcohol PEG
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