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Cyanine5 NHS ester

分子式:C36H42N3BF4O4

分子量:667.54

CAS 号:1263093-76-0

外 观:深蓝色固体

产品特性:

在过去的几年中,Cyanine5Cy5®的类似物)已成为生命科学研究和应用中不可思议的流行标签。诊断。荧光团在红色区域具有最大的发射,在此红色区域中许多CCD检测器表现出最大的发射强度。敏感度高,生物物体显示低背景。染料颜色非常强烈,因此数量小至用肉眼在凝胶电泳中可以检测到1 nmol

这种Cyanine5 NHS酯(类似于Cy5®NHS酯)是一种活性染料,用于标记肽,蛋白质,和寡核苷酸。该染料需要少量有机助溶剂(例如DMFDMSO)用于标记反应(有关更多详细信息,请参见我们推荐的方案)。该试剂是非常经济高效的标签标记的理想选择可溶性蛋白质以及各种肽和寡核苷酸。该试剂在有机溶剂中也能很好地用于小分子标记。对于更复杂的目标(例如易于降解的蛋白质),当使用DMFDMSO时不希望有的话,请考虑使用不需要任何助溶剂的水溶性磺基-花菁5 NHS酯,其功能非常相似的荧光性质。

Cyanine5荧光团与各种仪器兼容,包括许多荧光显微镜,成像仪,扫描仪和荧光读取器。存在许多各种Cyanine5类似物-Cyanine5 NHS酯可以代替活化的Cy5®Alexa Fluor 647DyLight 649的酯。

一般性质

外观:

深蓝色固体

分子量:

667.54

CAS号:

1263093-76-0

分子式:

C36H42N3BF4O4

溶解度:

极难溶于水(0.19 mM = 127 mg / L),极性(DMSODMF)和氯化(DCM,氯仿)有机溶剂

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:在室温下长达3周。避免长时间暴露在光线下,干燥。


光谱信息

最大激发, nm:

646

ε, Lmol-1cm-1:

250000

最大发射, nm:

662

荧光量子产率:

0.2

CF260:

0.03

CF280

0.04


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