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FAM DBCO, 6-isomer

分子式:C42H32N2O7

分子量:676.71

外  观:橙色固体

产品特性:

荧光素(FAM)是最古老但众所周知的荧光染料之一。FAM的这种衍生物包含环辛炔基(二苯并环辛炔,缩写为DBCOADIBO),可通过无铜,应变促进的叠氮化物炔烃环加成反应(spAAc)与叠氮化物共轭。

FAM DBCO可用于标记蛋白质,肽,核酸和其他含有叠氮基团的分子。简单混合后,叠氮化物就会与DBCO自发反应。该反应不需要任何催化剂,并且非常有效。

荧光素可以使用多种不同的仪器进行检测。


一般性质

外观:

橙色固体

分子量:

676.71

分子式:

C42H32N2O7

溶解度:

溶于DMFDMSO

质量控制:

NMR 1HHPLC-MS95%)

储存条件:

 

储存:在-20°C下黑暗中接收后24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。

 

光谱性质

激发最大值,nm

494

ε,Lmol−1cm−1

75000

最大发射,nm

520

荧光量子产率:

0.9

CF260

0.20

CF280

0.17

 

 


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