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Medchemexpress LLC m-PEG4-NHS ester | 622405-78-1 | MFCD11041112 | 95.0% | 333.33 | C14H23NO8 | 100MG
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Supplier:  Medchemexpress LLC HY124323100MG

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m-PEG4-NHS ester is a polyethylene glycol (PEG) linker bearing an N-hydroxysuccinimide (NHS) ester used for bioconjugation and as a spacer in PROTAC synthesis. It reacts with primary amines to form stable amide bonds, increases solubility and flexibility of conjugates, and is characterized by a molecular weight of 333.33 and formula C14H23NO8. Typical purity is 95.0% and the material is supplied as a colorless to light yellow liquid.

  • Provides an NHS ester for efficient coupling to primary amines.
  • Offers a PEG4 spacer to increase hydrophilicity and flexibility.
  • Improves solubility of conjugated ligands and biomolecules.
  • Suitable for protein, peptide, and PROTAC linker synthesis.
  • Supplied as a high-purity liquid for analytical and synthetic use.

Catalog No. 50-002-36866


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