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Sulfo-Cyanine7 NHS ester

分子式:C41H46N3KO10S2

分子量:844.05

CAS 号:1603861-95-5(钾盐); 1604244-45-2(内盐)

外 观:深绿色粉末


产品特性:

水溶性近红外染料磺基花青7,一种可与胺反应的琥珀酰亚胺酯。

磺基花菁7是Cy7®荧光团的改良类似物,量子产率提高了20%,并且具有更高的光稳定性。这种荧光染料对于近红外成像特别有用。

近红外荧光成像利用生物组织在特定波长范围内的透明性。该方法是非破坏性的,并允许监测活生物体中各种标记分子的分布。

磺基-Cyanine7 NHS酯试剂可轻松制备磺基-Cyanine7标记的生物分子,例如蛋白质。染料标记的分子可随后用于各种研究和药物设计相关的实验。

该试剂具有很高的水溶性,特别适用于标记易碎蛋白质和容易产生蛋白质的蛋白质变性。也可以使用可溶于有机相的非磺化Cyanine7 NHS酯。

 

一般性质

外观:

深绿色粉末

分子量:

844.05

CAS号:

1603861-95-5(钾盐); 1604244-45-2(内盐)

分子式:

C41H46N3KO10S2

溶解度:

溶于水,DMFDMSO

质量控制:

NMR 1HHPLC-MS95%)

储存条件:

储存:在黑暗中于-20°C接收后12个月。运输:常温下最多3周,避免长时间暴露在光线下,干燥

光谱性质

光谱性质

最大激发, nm

750

ε, Lmol-1cm-1:

240600

最大发射, nm:

773

CF260:

0.04

CF280:

0.04


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BDP 564/570 carboxylic acid

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