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AF488 NHS ester

分子式:C31H32N4O13S2
分子量: 732.74

外  观:深橙色固体

产品特性:

    AF488是一种明亮且耐光的染料,与AlexaFluor®488等效。由于其高亲水性,因此是用于标记敏感蛋白和抗体的一种染料。 该染料可用于许多苛刻的应用,包括显微镜。


    从化学角度看, AF488是磺化罗丹明染料若丹明110R110)。 像其他罗丹明一样,它可以作为56异构体获得,它们具有几乎相同的光物理性质。 不过需要分离异构体,否则,使用混合的异构体染料可能会在HPLC或电泳分离标记产物期间导致峰倍增。 该产物是异构纯的5-AF488


    这种NHS酯是一种胺反应性染料,它可以标记蛋白质,肽,氨基修饰的寡核苷酸和其他目标分子中的胺基。

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                AF488 光谱信息

一般性质

外观:
分子量:
分子式:
溶解度:
质量控制:

深橙色固体

732.74
C
31H32N4O13S2
溶于水, DMF, DMSO
HPLC-MS (80+%, balance mostly carboxylic acid)

 

光谱性质

最大激发, nm:

495

ε, L⋅mol-1⋅cm-1:

71800

最大发射, nm:
荧光量子产率:

519
0.91


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