TR-X-NHS ester, 5-isomer
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 1V220 | 1 mg | $125 | in stock | |
| 2V220 | 5 mg | $325 | in stock | |
| 4V220 | 25 mg |
$510
|
in stock | |
| 5V220 | 50 mg |
$895
|
in stock | |
| 6V220 | 100 mg |
$1490
|
in stock |
TR is a sulfonated analog of ROX dye with similar spectral properties and emission in the red region of the spectrum. This derivative is a dye with an aminohexanoic acid linker that provides spacing between the fluorophore and the biomolecule to prevent undesired interactions.
NHS ester is reactive towards amine groups that are ubiquitous in proteins, peptides and other labeling targets.
Absorption and emission spectra of TR
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AF 343 (Coumarin)-X-NHS ester
AF 343 (Coumarin) is a blue emitting dye that can serve as a FRET donor for fluorescein (FAM). This structure features a linker between Coumarin 343 fluorophore, and the functional group. It provides better solubility, and spatial separation between the dye, and the functional group.General properties
| Appearance: | dark colored solid |
| Molecular weight: | 816.95 |
| CAS number: | 178623-11-5 |
| Molecular formula: | C41H44N4O10S2 |
| Solubility: | good in polar organic solvents |
| Quality control: | NMR 1H and HPLC-MS (95+%) |
| Storage conditions: | 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. |
| MSDS: | Download |
| Product specifications |
Spectral properties
| Excitation/absorption maximum, nm: | 582 |
| ε, L⋅mol−1⋅cm−1: | 98000 |
| Emission maximum, nm: | 600 |
| Fluorescence quantum yield: | 0.79 |
This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.
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