N-(amine-PEG23)-N-bis(PEG3-azide) TFA salt is a water soluble branched PEG compound containing an amino group with two azide groups. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The azide groups can react with alkyne-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
Usually ships within 24 hours.