IRDye 750 NHS Ester is an infrared dye with detection near 750 nm. The NHS ester reactive group provides the functionality for labeling primary and secondary amines, such as lysine residues in proteins.
This dye is not suitable for use with LI-COR Odyssey® Imaging Systems.
Dye Structure
Properties
- Chemical Formula: C53H60N3Na3O16S4
- Molecular Weight: 1192.28 g/mol
- Exact Mass: 1191.25
Absorption and Emission Spectra
| Solvent | Ext. Coeff. (M-1cm-1) | Absorption Maxima | Emission Maxima |
|---|---|---|---|
| Methanol | 330,000 | 766 nm | 776 nm |
| 1X PBS | 260,000 | 756 nm | 776 nm |
| PBS: Methanol | 260,000 |
Absorption and Emission Spectra in Methanol
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SDS