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FAM tetrazine, 6-isomer

Fluorescein (FAM) Tetrazine Kupferfreie Click-Chemie
Artikel-Nr. Packungseinheit Preis Vorlaufzeit
151E0 1 mg $110.00 Auf Lager
251E0 5 mg $210.00 Auf Lager
451E0 25 mg $410.00 Auf Lager
551E0 50 mg $695.00 Auf Lager
651E0 100 mg $1190.00 Auf Lager
Großmengen-Anfrage

Fluorescein (FAM) is a popular fluorophore that has bright emission in the green area of visible spectrum. This derivative of fluorescein contains tetrazine moiety. Tetrazines react with trans-cycloalkenes and other strained olefins in a reaction called inverse electron demand Diels-Alder reaction (ied-DA). The reaction is very quick and specific. The reagent contains pure 6-isomer of FAM.

FAM-Tetrazin, 6-Isomer, 651E0
FAM-Tetrazin, 6-Isomer, 651E0
FAM-Tetrazin, 6-Isomer, 651E0
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BDP R6G tetrazine

BDP R6G tetrazine is a borondipyrromethene dye with absorption and emission wavelengths similar to rhodamine 6G. It contains tetrazine fragment for iedDA ligation.

Sulfo-Cyanine7 tetrazine

Near infrared, water soluble dye methyltetrazine for the conjugation with strained cycloalkenes in TCO ligation reaction.

FAM CPG 500, 6-isomer

Controlled pore glass for the synthesis of modified oligonucleotides containing 3'-fluorescein (FAM) modification.

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.
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Product specifications

Spectral properties

Excitation/absorption maximum, nm: 490
ε, L⋅mol−1⋅cm−1: 80000
Emission maximum, nm: 513
Fluorescence quantum yield: 0.93
CF260: 0.20
CF280: 0.17
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