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Medchemexpress LLC 2,5-pyrrolidinedione, 1,1'-[1,2-ethanediylbis(oxy(1-oxo-3,1-propanediyl)oxy)]bis- (9CI) | 65869-63-8 | >=98.0% | 400.34 g/mol | C16H20N2O10 | 1 G
SDP

Supplier:  Medchemexpress LLC HY1300881G

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Bis-PEG2-NHS ester is a noncleavable two-unit polyethylene glycol (PEG) linker bearing two N-hydroxysuccinimide (NHS) ester functional groups for antibody-agent conjugation and general amine coupling. It increases solubility and provides a short hydrophilic spacer between biomolecules and payloads.

  • Noncleavable PEG2 linker with two NHS ester reactive groups.
  • Enhances hydrophilicity and solubility of conjugates.
  • Suitable for antibody-drug conjugation and amine labeling.
  • White to off-white solid; stable as powder at -20°C for long-term storage.
  • Typical purity ≥98.0% by NMR.

Catalog No. 50-002-03149


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