FAM tetrazine, 6-isomer
| Cat. # | Quantity | Price | Lead time | Buy this product |
|---|---|---|---|---|
| 151E0 | 1 mg | $110 | in stock | |
| 251E0 | 5 mg | $210 | in stock | |
| 451E0 | 25 mg |
$410
|
in stock | |
| 551E0 | 50 mg |
$695
|
in stock | |
| 651E0 | 100 mg |
$1190
|
in stock |
Fluorescein (FAM) is a popular fluorophore that has bright emission in the green area of the visible spectrum. This fluorescein derivative contains tetrazine moiety that reacts with trans-cycloalkenes and other strained olefins in inverse electron demand Diels-Alder reaction (IEDDA). The reaction is very quick and specific. This reagent is a pure 6-isomer of FAM.
Absorption and emission spectra of FAM
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Controlled pore glass for the synthesis of modified oligonucleotides containing 3'-fluorescein (FAM) modification.
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FAM maleimide, 6-isomer
Fluorescein (FAM) maleimide is a thiol reactive dye derived from isomerically pure 6-FAM. Fluorescein is a bright dye that is compatible with various fluorescence measurement instruments.General properties
| Appearance: | orange solid |
| Mass spec M+ increment: | 531.1 |
| Molecular weight: | 559.53 |
| Molecular formula: | C31H21N5O6 |
| Solubility: | good in DMF, DMSO, poor in water |
| Quality control: | NMR 1H, HPLC-MS (95%) |
| Storage conditions: | Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate. |
| MSDS: | Download |
| Product specifications |
Spectral properties
| Excitation/absorption maximum, nm: | 492 |
| ε, L⋅mol−1⋅cm−1: | 74000 |
| Emission maximum, nm: | 517 |
| Fluorescence quantum yield: | 0.93 |
| CF260: | 0.22 |
| CF280: | 0.17 |
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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