Ald-CH2-PEG3-azide is a click chemistry PEG linker. Aldehyde groups are likely to undergo nucleophile substitution, reduction and oxidation reactions. The azideN3 enable Click Chemistry reactions with alkynes, DBCO and BCN to form triazole groups. PEG3 spacer increases the water solubility of the compound. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.