AF 343 (Coumarin) X azide
Cat. # | Quantity | Price | Lead time | Buy this product |
---|---|---|---|---|
12630 | 1 mg | $105 | in stock | |
22630 | 5 mg | $165 | in stock | |
42630 | 25 mg | $285 | in stock | |
52630 | 50 mg | $495 | in stock | |
62630 | 100 mg | $880 | in stock |
AF 343 (Coumarin) is a blue emitting fluorophore with an emission maximum of around 480 nm. This dye forms a FRET pair with fluorescein and can harvest blue light energy for the subsequent transfer to other fluorophores.
The azide derivative can be conjugated with alkynes in copper-catalyzed and copper-free сlick reactions. The molecule contains a long aminohexanoyl linker that provides separation between the dye and the azide function.
Absorption and emission spectra of AF 343 (Coumarin)
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General properties
Appearance: | yellow solid |
Mass spec M+ increment: | 480.3 |
Molecular weight: | 480.56 |
Molecular formula: | C25H32N6O4 |
IUPAC name: | 5-{[6-(3-Azidopropylamino)-6-oxohexylamino]carbonyl}-3-oxa-13-azatetracyclo[7.7.1.02,7.013,17]heptadeca-1,5,7,9(17)-tetraen-4-one |
Solubility: | good in DMF, DMSO |
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: | 437 |
ε, L⋅mol−1⋅cm−1: | 39000 |
Emission maximum, nm: | 477 |
Fluorescence quantum yield: | 0.63 |
CF260: | 0.29 |
CF280: | 0.24 |
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