Synonyms: N3-(PEG)4-COOH, Azido-(PEG)4-acid
Purity Limit: ≥ 97% (NMR)
Molecular Formula: C11H21N3O6
Molecular Weight: 291.30
CAS No: 1257063-35-6
Appearance: Light yellow to colorless thick liquid
Storage Temp: Store at 0-8 °C


Product Description

15-Azido-4,7,10,13-tetraoxapentadecanoic acid (Azide-PEG4-acid, N3-PEG4-COOH)  is a monodispersed heterobifunctional PEG reagent with an azide and a carboxyl group on the PEG ends. It is a useful crosslinking reagent with a PEG spacer. Azide can be used for molecule conjugation by click chemistry, and carboxyl can react with amine groups. Azide-PEG-carboxyl may be used to  for bioconjugation, drug delivery, PEG hydrogel, crosslinker, and surface functionalization.

Additional information

Package Size

20mg, 50mg, 100mg, 500mg