IRDye® 680RD Alkyne Infrared Dye

IRDye 680RD Alkyne Infrared Dye for Biomolecule Labeling.

IRDye 680RD Alkyne provides the functionality for preferential labeling of molecules containing azide groups (–N3) with IRDye 680RD.

Learn more about Near-Infrared Fluorescent Click Chemistry Reagents.

Dye Structure

Properties

  • Chemical Formula: C42H45ClN4Na2O10S3
  • Molecular Weight: 943.45 g/mol
  • Exact Mass: 942.18
  • 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: 929-60006,929-65006

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