Cy labeling

Cy® 3

  • Excellent spectroscopic performance with high quantum yields, high extinction coefficient, and good stability of fluorescence signal against changes in pH, various buffer conditions. 
  • These oligos are tested by U.V. absorbance monitoring, and calculation of A260/A552 ratio. 

Absorbance: 552 nm

Emission: 570 nm

ε = 150000 cm-1M-1


 cy3

Cy® 3 (5')


Cy® 3.5

  • Absorbance in the orange with high quantum yields, high extinction coefficient, and good stability of fluorescence signal against changes in pH, various buffer conditions. 
  •  These oligos are tested by U.V. absorbance monitoring, and calculation of A260/A581 ratio.

Absorbance: 581 nm

Emission: 596 nm

ε = 150000 cm-1M-1

cy3.5

Cy® 3.5 (5’)



Cy® 5

  • Absorbance in the red with high quantum yields, high extinction coefficient, and good stability in various buffers and conditions. 
  • These oligos are tested by U.V. absorbance monitoring, and calculation of A260/A643 ratio.

Absorbance: 643 nm
Emission: 667 nm
ε = 250000 cm-1M-1

cy5


Cy® 5 (5’)

Cy® 5.5

  • Absorbance in the far red with high quantum yields, high extinction coefficient, and good stability in various buffer conditions. 
  • These oligos are tested by U.V. absorbance monitoring, and calculation of A260/A683 ratio.

Absorbance: 683 nm

Emission: 707 nm

ε = 250000 cm-1M-1

cy5.5

Cy® 5.5 (5’)