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Medchemexpress LLC Mal-Ph-CONH-PEG4-NHS ester | 1263044-88-7 | ≥97.0% | 561.54 g/mol | C26H31N3O11 | 250 MG
SDP

Supplier:  Medchemexpress LLC HY133545250MG

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Mal-Ph-CONH-PEG4-NHS ester is a non-cleavable, 4-unit polyethylene glycol (PEG4) NHS ester linker used for the synthesis of antibody-drug conjugates (ADCs). It provides a maleimide-phenyl reactive group and an NHS-activated ester to enable conjugation between payloads and antibodies in research applications.

  • Non-cleavable 4-unit PEG linker.
  • Maleimide-phenyl group for thiol-selective coupling.
  • NHS ester for efficient amine conjugation.
  • High purity (≥97.0%).
  • Available in small pack sizes including 250 mg.
  • Liquid form, colorless to light yellow.
  • Storage: pure form -20°C (stable for 3 years); in solvent -80°C (6 months), -20°C (1 month).

Catalog No. 50-002-02388


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