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sulfo-Cyanine5.5 tetrazine

貨號 數量 價格 交貨時間
173E0 1 mg
$125
現貨
273E0 5 mg
$325
現貨
473E0 25 mg
$850
現貨
573E0 50 mg
$1490
現貨
673E0 100 mg
$1990
現貨
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sulfo-Cyanine5.5 is a water-soluble, hydrophilic far-red fluorophore, an analog of Cy5.5®. Like other cyanine dyes, sulfo-Cyanine5.5 has an outstanding molar extinction coefficient, giving rise to its bright fluorescence. The molecule contains four sulfo groups that provide hydrophilicity and negative charge to the fluorophore and minimize non-specific binding.

This reagent contains tetrazine moiety that reacts with trans-cyclooctenes, cyclopropenes, and some strained cyclooctynes to form stable conjugates via an inverted electron demand [4+2]-cycloaddition (IEDDA).

The reagent possesses high aqueous solubility and hydrophilicity and is recommended for labeling biomolecules in an aqueous environment.

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AF 430 tetrazine

Tetrazine derivative of AF 430 fluorescent dye suitable for in vitro cell labeling.

General properties

Appearance: dark blue powder
Molecular weight: 1200.53
Molecular formula: C50H48K3N7O13S4
Solubility: good in water, DMF, DMSO
Quality control: NMR 1H and HPLC-MS (95+%)
Storage conditions: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate. Avoid prolonged exposure to light.
MSDS: 下載
產品規格

Spectral properties

Excitation/absorption maximum, nm: 673
ε, L⋅mol−1⋅cm−1: 211000
Emission maximum, nm: 691
Fluorescence quantum yield: 0.21
CF260: 0.09
CF280: 0.11
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