Bis-aminooxy-PEG1

• CAT Number: I014227
• CAS Number: 93460-33-4
• Molecular Formula: C4H12N2O3
• Molecular Weight: 136.15
• Purity: ≥95%
• Synonyms: O-[2-(2-aminooxyethoxy)ethyl]hydroxylamine
• InChI: InChI=1S/C4H12N2O3/c5-8-3-1-7-2-4-9-6/h1-6H2
• InChIKey: ZESQVNWRUDEXNZ-UHFFFAOYSA-N
• SMILES: C(CON)OCCON

Bis-aminooxy-PEG1（Cat No.:I014227）is a compact, symmetric polyethylene glycol linker with two terminal aminooxy groups connected by a single ethylene glycol unit. The aminooxy groups enable chemoselective oxime or hydrazone ligation with aldehydes and ketones, forming stable conjugates under mild conditions. Its short PEG1 spacer provides minimal distance yet retains solubility and flexibility, supporting efficient bioconjugation while reducing steric hindrance. This small, versatile reagent is widely used in peptide synthesis, biomolecule crosslinking, and drug discovery, facilitating the creation of multifunctional constructs, advanced therapeutic systems, and diagnostic platforms requiring precise molecular linkers.