IRDye 680RD Maleimide will label molecules with free sulfhydryl (-SH) groups, such as cysteine residues in proteins. Conjugation can be performed at physiological pH.
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Dye Structure
Properties
- Chemical Formula: C45H48CIN5Na2O12S3
- Molecular Weight: 1028.51 g/mol
- Exact Mass: 1027.19
Absorption and Emission Spectra
| Solvent | Ext. Coeff. (M-1cm-1) | Absorption Maxima | Emission Maxima |
|---|---|---|---|
| Methanol | 170,000 | 680 nm | 694 nm |
| 1X PBS | 165,000 | 672 nm | 694 nm |
| PBS: Methanol | 165,000 |
Absorption and Emission Spectra in 1X PBS
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