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Medchemexpress LLC Biotin-PEG7-maleimide | 1898221-65-2 | 99.4% | 745.88 g/mol | C33H55N5O12S | 25 MG
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Supplier:  Medchemexpress LLC HY15637725MG

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Biotin-PEG7-maleimide is a thiol-specific biotinylation reagent that introduces a biotin tag through a PEG7 spacer by reacting with free thiol (-SH) groups. It is used for selective cysteine labeling, affinity capture and detection, and for constructing drug-linker conjugates in bioconjugation workflows.

  • Thiol-reactive maleimide group for selective cysteine labeling.
  • PEG7 spacer provides flexibility and improved solubility.
  • Biotin tag enables affinity capture and detection.
  • High purity (99.4%) suitable for sensitive assays.
  • Powder stable at -20°C for up to 3 years.
  • Available as 25 MG quantity.

Catalog No. 50-002-04460


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