Dye Activated Esters (amino reactive)

The ester dyes allow for efficient linking to either nucleic acids or proteins via their amino groups.

  NHS Ester Labeling of Amino Biomolecules

 

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Product Type
Small Molecule 
(47)
Name
Cy3 NHS ester 
(5)
Cy3.5 NHS ester 
(3)
Cy7 NHS ester 
(5)
Cy7.5 NHS ester 
(5)
ROX NHS ester, pure 6- isomer 
(4)
Sulfo-Cy3 NHS ester 
(5)
Sulfo-Cy5 NHS ester 
(5)
Sulfo-Cy7 NHS ester 
(5)
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CAS number
1032678-42-4, 350686-88-3 
(5)
N/A 
(5)
Solubility
Good in organic solvents, moderate in water 
(4)
Good in organic solvents, poor in water 
(18)
good in polar (DMSO, DMF) and chlorinated (DCM, chlroform) organic solvents, low solubility in water 
(5)
Soluble in organic solvents (DMSO, DMF, dichloromethane), low solubility in water 
(5)
Ex/Em Maxima
Ex: 646 nm, Em: 662 nm 
(5)
Ex: 673 nm, Em: 707 nm 
(5)
Quantum Yield
0.2 
(10)
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