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sulfo-Cyanine5.5 DBCO

目录号 数量 价格 提前通知时间
173F0 1 mg $125 5 天
273F0 5 mg $325 现货
473F0 25 mg $850 现货
573F0 50 mg $1490 现货
673F0 100 mg $1990 现货
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Sulfo-Cyanine5.5 is a dye with far-red emission approaching the NIR range. It has found application in non-invasive live-organism imaging. This particular derivative of sulfo-Cyanine5.5, the DBCO (or ADIBO) derivative, contains cycloalkyne for copper-free conjugation of this fluorophore with various organic azides.

The reaction between DBCO and azides is blazingly fast, orders of magnitude exceeding the rate of copper-catalyzed reaction between azides and terminal alkynes. It is also catalyst-free.

This reagent can be used to conjugate sulfo-Cyanine5.5 dye to a variety of azide-labeled molecules.

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磺基- Cyanine5炔烃 (sulfo-Cyanine5 alkyne)

sulfo-Cyanine5 是一种用于点击化学的水溶性 Cyanine5 染料炔烃。

DBCO-PEG6-NHS ester

A heterobifunctional linker with DBCO and NHS ester function groups flanking PEG6 (hexaethylene glycol).

磺基-Cyanine7.5叠氮化物 (sulfo-Cyanine7.5 azide)

sulfo-Cyanine7.5 是一种非常亲水的水溶性近红外染料。该染料的吸收和发射光谱与吲哚花菁绿(ICG)相似,但sulfo -Cyanine7.5具有更高的荧光量子产率。该染料是近红外体内成像的绝佳选择。是一种用于点击化学的叠氮化物。

General properties

Appearance: dark blue solid
Molecular weight: 1317.69
Molecular formula: C61H59N4K3O14S4
Solubility: good in water, DMF, DMSO
Quality control: NMR 1H, HPLC-MS (95%)
安全数据表(MSDS): 下载
产品规格

Spectral properties

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