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Medchemexpress LLC Biotin-PEG3-azide | 875770-34-6 | MFCD20134145 | ≥97.0% | 444.55 g/mol | C18H32N6O5S | 5 MG
Supplier: Medchemexpress LLC HY1301435MG
Biotin-PEG3-azide is a PEGylated biotinylation reagent bearing a terminal azide group for copper-catalyzed click chemistry. It is employed as a linker in PROTAC synthesis and for affinity labeling and bioconjugation workflows requiring streptavidin capture.
- Provides a three-unit PEG spacer for increased solubility and reduced steric hindrance.
- Includes a terminal azide group compatible with click conjugation to alkynes.
- Delivers a biotin affinity tag for efficient capture by streptavidin.
- High purity suitable for research applications.
- Soluble in DMSO and water with sonication as needed.
- Stable as a powder when stored at low temperatures.
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