IRDye® 680LT Maleimide

IRDye 680LT Maleimide Labels Molecules with Free Sulfhydryls.

IRDye 680LT Maleimide will label molecules with free sulfhydryl (–SH) groups, such as cysteine residues in proteins. Conjugation can be performed at physiological pH.

Which 700 Channel Dye Should I Use?

Note: IRDye 680LT dye products should not be used for small animal in vivo imaging or In‑Cell Western Assays. The higher level of fluorescent intensity creates high background making it unfavorable for use in these applications. We recommend using IRDye 680RD dye products for these applications.

Dye Structure

IRDye 680LT Maleimide Structure

Properties

  • Chemical Formula: C56H55N5Na5O21S6
  • Molecular Weight: 1427.37 g/mol
  • Exact Mass: 1426.12

Absorption and Emission Spectra

Solvent Ext. Coeff. (M-1cm-1) Absorption Maxima Emission Maxima
Methanol 250,000 680 nm 694 nm
1X PBS 250,000 676 nm 693 nm

Absorption and Emission Spectra in 1X PBS

IRDye 680LT Absorption and Emission Spectra

To discuss purchase quantities over 1 gram or commercial development rights using IRDye infrared dyes, please contact Business Development.

Selected P/N: 929-71008,929-71009

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