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sulfo-Cyanine5.5 DBCO

磺基-花菁5.5 环炔烃 Copper-free click chemistry

目录号	数量	价格	提前通知时间
173F0	1 mg	$125	现货
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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Cyanine5.5 DBCO

Cyanine5.5 is a far-red / NIR emitting dye that is useful for bioimaging studies. Cyanine5.5 DBCO is a derivative of the dye with a cycloalkyne moiety for copper-free click chemistry.

Azide-PEG3-tetrazine

A hydrophilic bifunctional linker with azide and tetrazine function groups flanking PEG3 (triethylene glycol) spacer.

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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

This Product is offered and sold for research purposes only. It has not been tested for safety and efficacy in food, drug, medical device, cosmetic, commercial or any other use. Supply does not express or imply authorization to use for any other purpose, including, without limitation, in vitro diagnostic purposes, in the manufacture of food or pharmaceutical products, in medical devices or in cosmetic products.