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Alkyne-PEG4-maleimide

分子式:C15H21NO6

分子量:311.33

CAS 号:1262681-30-0

外  观:黄色油

产品特性:

当蛋白质或其他敏感生物分子需要结合时,聚乙二醇(PEG)接头是一个不错的选择。它们提供亲水性并保持共轭分子之间的分离。该基于PEG4的接头的长度为14Å(1.4 nm)。带有不同反应基团的异双功能接头可用于制备不同分子之间的交叉共轭物。

马来酰亚胺官能团特别有用,因为它们可以特异性标记蛋白质位点。大多数蛋白质仅具有有限数量的与马来酰亚胺选择性反应的半胱氨酸残基。然后可以在选择性铜催化的过程CuAAc(铜催化的炔烃叠氮化物环加成反应)中将炔烃基与叠氮化物偶联。


一般性质

外观:

黄色油

质谱M +增量:

311.3

分子量:

311.33

CAS号:

1262681-30-0

分子式:

C15H21NO6

溶解度:

溶于水,DMF,DMSO

质量控制:

NMR 1H,HPLC-MS(95%)

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。

 


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