Ald-PEG3-azide (CAS: 1807530-10-4) is a heterobifunctional PEG linker with an aldehyde (-CHO) and azide (-N₃) group. Its 3-unit PEG spacer enhances solubility and stability. It is used in PROTAC synthesis, click chemistry, bioconjugation, and chemical biology research.
Polyethylene Glycol PEG Linkers > Aldehyde PEG > Ald-PEG-Azide
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