IRDye® 700 Phosphoramidite

IRDye 700 Phosphoramidite Optimized for the 700nm Channel.

IRDye 700 Phosphoramidite has been optimized for the 700 nm channel of the LI-COR 4300 DNA Analysis System.

IRDye Infrared Dyes Overview

Dye Structure

IRDye 700 Phosphoramidite structure


  • Chemical Formula: C52H67N4O5PS
  • Molecular Weight: 891.16 g/mol
  • Exact Mass: 890.46

Absorption and Emission Spectra

Solvent Ext. Coeff. (M-1cm-1) Absorption Maxima Emission Maxima Stokes Shift
Methanol 170,000 680 nm 17 nm
Water 170,000 685 nm 705 nm 20 nm

Absorption and Emission Spectra in Water

IRDye 700 Phosphoramidite Absorption and Emission Spectra
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