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IRDye® 680LT Maleimide
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
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
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