IRDye 680RD Azide Infrared Dye for Click Chemistry

IRDye® 680RD Azide Infrared Dye

IRDye 680RD Azide Infrared Dye for Click Chemistry

IRDye 680RD Azide provides the functionality for preferential labeling of molecules that contain either the alkyne or dibenzocyclooctyne (DBCO) group.

Learn more about Near-Infrared Fluorescent Click Chemistry Reagents.

Dye Structure


  • Chemical Formula: C47H58ClN7Na2O13S3
  • Molecular Weight: 1106.63 g/mol
  • Exact Mass: 1105.27
  • Correction factor at 260 - 280 nm: 4%

Absorption and Emission Spectra

Solvent Absorption Maxima Emission Maxima
Methanol 680 nm 694 nm
1X PBS 672 nm 694 nm

Absorbance and Emission Spectra in 1X PBS

Molar Absorptivity

Solvent Molar Absorptivity (L mol-1 cm-1)
Methanol 170,000
1X PBS 165,000
1:1 Methanol to 1X PBS 165,000

Selected P/N: 929-60005,929-65005



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