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Medchemexpress LLC Cyanine 5-polyethylene glycol3-TCO | 99.2% | 845.55 | C49H69ClN4O6 | 10 MG
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Supplier:  Medchemexpress LLC HYD214310MG

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Cy5-PEG3-TCO is a Cy5-derived fluorescent probe bearing a three-unit polyethylene glycol (PEG3) spacer and a trans-cyclooctene (TCO) functional group. It is designed for bioorthogonal labeling via inverse electron-demand Diels-Alder (iEDDA) reactions with tetrazine-functionalized partners and is supplied as a solid for laboratory use.

  • Cyanine 5 fluorescent core for near-infrared imaging
  • PEG3 spacer improves solubility and reduces steric hindrance
  • TCO group enables rapid iEDDA click chemistry with tetrazines
  • High purity (99.2%) suitable for labeling applications
  • Soluble in DMSO (≈16.67 mg/mL); may require ultrasonic
  • Stored sealed away from moisture and light at 4°C (solid)

Catalog No. 50-002-97562


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