Standard fluorescein (FAM) phosphoramidite for 5'-terminal oligonucleotide labeling, high isomeric purity single isomer. This highly purified amidite reagent ensures excellent coupling results with various synthesizers.
Samples and special offers are available for oligo manufacturers. Contact us for bulk supplies of this reagent.
Appearance: | white foam |
Molecular weight: | 843.94 |
CAS number: | 204697-37-0 |
Molecular formula: | C46H58N3O10P |
Solubility: | Good solubility in acetonitrile and DCM. |
Quality control: | NMR 1H and 31P, HPLC-MS (95+%), isomeric purity > 97% |
Storage conditions: | Storage: 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 2 weeks. Avoid prolonged exposure to light. Desiccate. |
Excitation maximum, nm: | 494 |
ε, L⋅mol−1⋅cm−1: | 75000 |
Emission maximum, nm: | 520 |
Fluorescence quantum yield: | 0.9 |
CF260: | 0.20 |
CF280: | 0.17 |
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