IRDye® 800CW Alkyne Infrared Dye

Use IRDye 800CW Alkyne Infrared Dye for Biomolecule Labeling.

IRDye 800CW Alkyne provides the functionality for preferential labeling of molecules containing azide groups (–N3) with IRDye 800CW.

Learn more about Near-Infrared Fluorescent Click Chemistry Reagents.

Dye Structure

Properties

  • Chemical Formula: C49H54N3Na3O14S4
  • Molecular Weight: 1106.19 g/mol
  • Exact Mass: 1105.22
  • Correction Factor at 260 – 280 nm: 3%

Absorption and Emission Spectra

Solvent Absorption Maxima Emission Maxima
Methanol 778 nm 794 nm
1X PBS 774 nm 789 nm
1:1 Methanol to 1X PBS 778 nm

Absorbance and Emission Spectra in 1X PBS

Molar Absorptivity

Solvent Molar Absorptivity (L mol-1 cm-1)
Methanol 300,000
1X PBS 240,000
1:1 Methanol to 1X PBS 270,000

Selected P/N: 929-60002,929-65002,929-65050

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