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Medchemexpress LLC Biotin-PEG3-bromide | 1041766-91-9 | 95.0% | 482.43 g·mol⁻1 | C18H32BrN3O5S | 25 MG
SDP

Supplier:  Medchemexpress LLC HY10197425MG

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Biotin-PEG3-bromide is a biotinylated short polyethylene glycol (PEG3) linker with a terminal alkyl bromide. It is used to introduce a biotin affinity tag onto molecules via nucleophilic substitution or cross-coupling reactions, enabling streptavidin-based capture, detection, and pull-down workflows in chemical biology and bioconjugation studies.

  • Reactive alkyl bromide suitable for nucleophilic substitution and cross-coupling reactions.
  • Biotin moiety enables high-affinity capture with streptavidin/avidin reagents.
  • Short PEG3 spacer improves solubility and reduces steric hindrance.
  • High solubility in DMSO allows preparation of concentrated stock solutions.
  • Powder stable at -20°C; follow recommended storage for solutions to maintain integrity.

Catalog No. 50-002-47993


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