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Medchemexpress LLC Biotin-PEG3-iodoacetamide | 2306161-26-0 | 97.0% | 10 MG
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Supplier:  Medchemexpress LLC HY17493810MG

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Biotin-PEG3-iodoacetamide is a PEG-based linker combining a biotin tag, a three-unit PEG spacer, and an iodoacetamide reactive group. It selectively alkylates cysteine residues under mild conditions to introduce a biotin handle for affinity capture, detection, and enrichment workflows.

  • Selective cysteine labeling via iodoacetamide chemistry.
  • Biotin tag enables high-affinity streptavidin capture.
  • PEG3 spacer improves solubility and reduces steric hindrance.
  • Suitable for protein labeling, pull-downs, and detection assays.
  • Provided as a small-molecule reagent for research use.

Catalog No. 50-002-99129


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