IRDye® 680RD NHS Ester (0.5 mg)


IRDye infrared dyes from LI-COR Biosciences are available for researchers developing applications using near-infrared (NIR) fluorescence. These unique dyes are used in a variety of NIR imaging applications including Western blotting, plate-based assays, protein arrays, tissue section imaging, probe development, and molecular activity measurements.

Standard NHS ester chemistry is used to produce custom probes labeled with LI-COR IRDye infrared dyes. The NHS ester reactive group provides the functionality for labeling primary and secondary amines, such as lysine residues in proteins.

IRDye® 680RD NHS Ester reaction
NHS Ester reacts with a primary aliphatic amine, such as lysine.
IRDye® 680RD NHS Ester amide bond
Dye label is attached through amide bond.

Saadaval järeltellimisel

Tootekood: 929-70050 Kategooriad: ,

Dye Structure


  • Chemical Formula: C43H45CIN4Na2O13S3
  • Molecular Weight: 1003.46 g/mol
  • Exact Mass: 1002.16

Absorption and Emission Spectra

Solvent Ext. Coeff. (M -1 cm -1 ) Absorption Maxima Emission Maxima
Methanol 170,000 680 nm 694 nm
1X PBS 165,000 672 nm 694 nm
PBS: Methanol 165,000

Absorption and Emission Spectra in 1X PBS

IRDye 680RD Absorption and Emission Spectra
Kaal 0,002 kg

0.5 mg


-20 ° C

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