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Medchemexpress LLC Biotin-PEG2-alkyne | 2227450-68-0 | MFCD31922733 | 95.6% | 369.48 g/mol | C17H27N3O4S | 1 G
SDP

Supplier:  Medchemexpress LLC HYW6150951G

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Biotin-PEG2-alkyne is a short polyethylene glycol (PEG2) linker that bears a biotin group and a terminal alkyne. It is used to biotinylate azide-containing molecules via copper(I)-catalyzed azide-alkyne cycloaddition and for affinity enrichment workflows.

  • Enables copper(I)-catalyzed azide-alkyne cycloaddition for click chemistry labeling.
  • Provides a biotin tag compatible with streptavidin-based affinity capture and enrichment.
  • Short PEG2 spacer minimizes steric hindrance while improving solubility.
  • Off-white to light yellow solid, typically supplied with high purity for research use.
  • Available in multiple pack sizes to support small-scale labeling and larger preparations.

Catalog No. 50-002-84248


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