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IRDye® 800CW Alkyne Infrared Dye
IRDye 800CW Alkyne provides the functionality for preferential labeling of molecules containing azide groups (–N3) with IRDye 800CW.
Learn more about Near-Infrared Fluorescent Click Chemistry Reagents.
Dye Structure
Properties
- Chemical Formula: C49H54N3Na3O14S4
- Molecular Weight: 1106.19 g/mol
- Exact Mass: 1105.22
- Correction Factor at 260 – 280 nm: 3%
Absorption and Emission Spectra
| Solvent | Absorption Maxima | Emission Maxima |
|---|---|---|
| Methanol | 778 nm | 794 nm |
| 1X PBS | 774 nm | 789 nm |
| 1:1 Methanol to 1X PBS | 778 nm |
Absorbance and Emission Spectra in 1X PBS
Molar Absorptivity
| Solvent | Molar Absorptivity (L mol-1 cm-1) |
|---|---|
| Methanol | 300,000 |
| 1X PBS | 240,000 |
| 1:1 Methanol to 1X PBS | 270,000 |
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