HiLyte™ Fluor 647 C2 maleimide - 1 mg

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  • Cat.Number : AS-81259-
  • Availability :
    In production
  • Shipping conditions : Ice delivery fees must be applied

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HiLyte™ Fluor 647 C2 maleimide is an excellent thiol-reactive fluorescent labeling dye that generates the protein conjugates that are slightly red-shifted compared to those of Cy®5 dyes, resulting in an optimal match to filters designed for Cy®5 dyes. However, total fluorescence of the secondary antibody conjugates of HiLyte™ Fluor 647 dyes is significantly higher than that of Cy®5 conjugates supplied by other companies. Also, unlike Cy®5 dyes, HiLyte™ Fluor 647 dyes have very little change in absorption or fluorescence spectra when conjugated to most proteins, oligonucleotides and nucleic acids, thus yielding greater total fluorescence at the same degree of substitution. Additionally, our in-house data indicated that HiLyte™ Fluor 647 is superior to Cy®5 in fluorescence polarization-based assays. Extinction Coefficient (M-1cm-1): 250,000 Fluorescence quantum yield: 0.33 Fluorescence Life Time (ns): 1.0


Molecular Mass/ Weight
  • 1196.5
Absorbance (nm)
  • 649
Emission (nm)
  • 674
Quantity & Purity
Storage & stability
  • Lyophilized
Resuspension condition
  • Water or DMF: Prepare 10 mg/ml dye stock solution in water. Completely dissolve all dye content by vortexing. Dye solution should be prepared fresh, immediately before an experiment. Long-term storage in solution form may reduce dye activity. Any solution containing the dye should be protected from light.
Storage Conditions
  • -20°C Protected from Light
Detection Method
Research Area
Sub-category Research Area
  • Research use
Code Nacres
  • NA.32

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