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Medchemexpress LLC Biotin-PEG5-NHS ester | Not provided | Not provided | 98.0% | 632.72 g/mol | C27H44N4O11S | 10 MG
SDP

Supplier:  Medchemexpress LLC HY17489210MG

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Biotin-PEG5-NHS ester is a biotinylation reagent composed of a biotin moiety connected through a five-unit polyethylene glycol spacer to an N-hydroxysuccinimide (NHS) ester. The NHS ester reacts with primary amines to form stable amide bonds, enabling efficient and selective labeling of proteins, peptides, and surfaces for downstream capture or detection workflows.

  • Enables covalent coupling to primary amines via NHS ester chemistry.
  • Five-unit PEG spacer reduces steric hindrance and improves solubility.
  • Biotin tag enables high-affinity binding to streptavidin or neutravidin.
  • High purity (98.0%) suitable for labeling and analytical workflows.
  • Soluble in DMSO for convenient stock solution preparation.
  • Stable when stored dry at -20°C; store solutions frozen for longer-term stability.

Catalog No. 50-002-98419


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