IRDye 700DX NHS Ester: High Water Solubility for Protein, Antibody or Nucleic Acid Labeling

IRDye® 700DX NHS Ester

Absorbance Spectrum of IRDye 700DX Infrared dye in PBS.
Solvent Extinction Coefficient M-1cm-1 Abs Max nm Em Max nm Stokes Shift nm
Methanol 210,000 680 687 7
Water 165,000 689 700 11
1X PBS 165,000 689 700 11


NHS ester reacts with a primary aliphatic amine, such as lysine.

NHS ester reacts with a primary aliphatic amine, such as lysine.

Dye label is attached through amide bond.

Dye label is attached through amide bond.



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