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Biotinylation Reagents

Biotin Alkyne (PEG4 carboxamide-Propargyl Biotin) | CAS 773888-45-2

Catalog: TASK-36-1000333   CAS NO.: 773888-45-2
  • 25mg
  • 100mg


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Biotin Alkyne (PEG4 carboxamide-Propargyl Biotin) consists of a biotin molecule linked to an alkyne group. The alkyne group (-C≡CH) is a small, terminal acetylene that serves as a bioorthogonal handle for subsequent reactions, particularly azide-alkyne cycloaddition reactions (click chemistry). Biotin Alkyne can react selectively and efficiently with azide-functionalized molecules or surfaces via copper-catalyzed azide-alkyne cycloaddition (CuAAC) or strain-promoted azide-alkyne cycloaddition (SPAAC). This bioorthogonal reaction forms a stable triazole linkage, allowing for precise and controlled bioconjugation.


CAS No.773888-45-2
Molecular Weight281.4
Ship Within1 week
Storage Temp.-20℃
Shipping4-25℃ for up to 3 weeks
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