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Medchemexpress LLC Mal-PEG2-acid | 1374666-32-6 | MFCD23726620 | 98.0% | 257.24 g/mol | C11H15NO6 | 50 MG
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Catalog No. 5000202151
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Mal-PEG2-acid is a PEG-based linker containing a maleimide group and a terminal carboxylic acid, designed for bioconjugation applications such as antibody-drug conjugate synthesis. The short PEG2 spacer improves aqueous solubility and provides reactive sites for thiol and amine coupling.

  • Maleimide reacts selectively with thiol groups to form stable thioether bonds.
  • Terminal carboxylic acid can be activated (e.g. EDC, HATU) for amide coupling to primary amines.
  • PEG2 spacer increases aqueous solubility and flexibility.
  • Molecular weight ~257.24 g/mol; molecular formula C11H15NO6.
  • Typical purity around 98.0% for research use.

Catalog No. 50-002-02151 Supplier Medchemexpress LLC Supplier No. HY13044250MG
May include imposed supplier surcharges.
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Mal-PEG2-acid is a PEG-based linker containing a maleimide group and a terminal carboxylic acid, designed for bioconjugation applications such as antibody-drug conjugate synthesis. The short PEG2 spacer improves aqueous solubility and provides reactive sites for thiol and amine coupling.

  • Maleimide reacts selectively with thiol groups to form stable thioether bonds.
  • Terminal carboxylic acid can be activated (e.g. EDC, HATU) for amide coupling to primary amines.
  • PEG2 spacer increases aqueous solubility and flexibility.
  • Molecular weight ~257.24 g/mol; molecular formula C11H15NO6.
  • Typical purity around 98.0% for research use.

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