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Medchemexpress LLC Mal-PEG4-NHS ester | 1325208-25-0 | 99.4% | 442.42 g·mol⁻1 | C19H26N2O10 | 1 G
SDP

Supplier:  Medchemexpress LLC HY1265051G

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Mal-PEG4-NHS ester is a PEG-based bifunctional linker containing a maleimide group and an N-hydroxysuccinimide (NHS) ester that enables conjugation between thiol-containing and amine-containing molecules. It is commonly used in antibody-drug conjugate (ADC) linker chemistry, quantum dot conjugation, and linking PEGylated liposomes.

  • Non-cleavable maleimide-NHS ester linker suitable for thiol-to-amine conjugation.
  • Molecular weight approximately 442.42 g·mol⁻1.
  • Chemical formula C19H26N2O10.
  • High purity (≈99.4%) as supplied.
  • Soluble in DMSO (100 mg/mL); hygroscopic-use freshly opened DMSO and sonication as needed.
  • Storage: -20°C for solid stock (up to 3 years); in solvent: -80°C (6 months), -20°C (1 month).
  • Available in laboratory-scale quantities including 1 g packaging.

Catalog No. 50-002-03747


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