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Medchemexpress LLC Cy5.5-PEG-biotin | 10 MG
Supplier: Medchemexpress LLC HYD256910MG
Cy5.5-PEG-Biotin (MW 2000) is a polyethylene glycol derivative conjugated with the Cy5.5 near-infrared fluorophore and a biotin moiety. It is used as a fluorescent labeling and capture reagent for research applications, where biotin enables strong binding to streptavidin/avidin and Cy5.5 provides NIR detection.
- Cy5.5 fluorophore for near-infrared imaging and detection.
- PEG spacer (average MW 2000) enhances solubility and reduces steric hindrance.
- Biotin functional group enables high-affinity capture by streptavidin/avidin.
- Suitable for labeling proteins, nucleic acids, and surfaces in detection workflows.
- Supplied as a research reagent, intended for laboratory use.
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