m-PEG24-NH2

• CAT Number: I016075
• CAS Number: 2151823-08-2
• Molecular Formula: C49H101NO24
• Molecular Weight: 1088.32
• Purity: ≥95%
• Synonyms: 2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanamine
• InChI: InChI=1S/C49H101NO24/c1-51-4-5-53-8-9-55-12-13-57-16-17-59-20-21-61-24-25-63-28-29-65-32-33-67-36-37-69-40-41-71-44-45-73-48-49-74-47-46-72-43-42-70-39-38-68-35-34-66-31-30-64-27-26-62-23-22-60-19-18-58-15-14-56-11-10-54-7-6-52-3-2-50/h2-50H2,1H3
• InChIKey: OAYCKRSBSZUIGB-UHFFFAOYSA-N
• SMILES: COCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCN

m-PEG24-NH2（Cat No.:I016075）is a monofunctional methoxy-polyethylene glycol bearing a terminal primary amine and a nonreactive methoxy cap on the opposite end. The ~24-unit PEG spacer (~1 kDa) imparts high aqueous solubility, flexibility, and low nonspecific adsorption, improving conjugation efficiency and biomaterial performance. The amine reacts readily with NHS esters, carboxylic acids (EDC/NHS), isocyanates, and aldehydes (reductive amination), enabling stable amide, urea, or secondary amine linkages. Ideal for protein/peptide labeling, nanoparticle and surface modification, hydrogel functionalization, and drug-delivery research where a single, accessible amine handle and stealth PEG background are desired overall.