IRDye 680RD 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?
| 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 |



