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Medchemexpress LLC Biotin-PEG-azide | 956494-20-5 | MFCD21363314 | 98.7% | 2000.00 | Not specified - polydisperse PEG derivative (no fixed chemical formula) | 50 MG
Supplier: Medchemexpress LLC HYW250928C50MG
Biotin-PEG-azide (MW 2000) is a biotin-labeled polyethylene glycol derivative with a terminal azide functional group for bioorthogonal conjugation. The reagent is supplied as a powder and is intended for use in click-chemistry bioconjugation workflows, enabling efficient biotinylation of alkyne-containing molecules and surfaces for downstream affinity capture and detection.
- Contains terminal azide for copper-catalyzed azide-alkyne cycloaddition (CuAAC) and strain-promoted alkyne-azide cycloaddition (SPAAC).
- Peg spacer provides hydrophilicity and reduces nonspecific interactions.
- Average molecular weight 2000 Da (polydisperse polymer).
- High purity, suitable for research applications.
- Stable as a powder at -20°C for long-term storage.
- Useful for protein labeling, affinity capture, and general bioconjugation.
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