AT 647 Mal，ATTO 647 Maleimide，ATTO 647马来酰亚胺，马来酰亚胺是一种环状二羧基

产品名称：ATTO 647 Maleimide

AT 647 Maleimide

中文名称：AT 647马来酰亚胺

化学式：C40H51N4O6S+

分子量：715.93

纯度：95%

保存条件：避光，干燥，-20℃保存

注意事项：取用一定要干燥，避免频繁的溶解和冻干。

用途：仅用于科学研究或者工业应用等非医疗目的，非药用，非食用

结构式：

供应商：西安凯新生物科技有限公司

Atto 647 belongs to a new generation of fluorescent labels for the red spectral region with high molecular absorption (120.000) and quantum yield (0.20) as well as sufficient stoke′s shift (excitation maximum 645 nm, emission maximum 669 nm). Atto 647 is characterized by a high photostability. The dye is designed for application in the area of life science, e.g. labeling of DNA, RNA or proteins. Atto The dye is very stable under physiological pH-values and in buffers up to pH 8.5. However, it slowly degrades at higher pH. Atto 647 maleimide shows excellent solubility in polar solvents like DMF, DMSO or acetonitrile. After coupling to a substrate the dye moiety is electrically neutral.

Maleimide is a cyclic dicarboximide in which the two carboacyl groups on nitrogen together with the nitogen itself form a 1H-pyrrole-2,5-dione structure. It has a role as an EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor. It is a dicarboximide and a member of maleimides. It is functionally related to a maleic acid. It derives from a hydride of a 1H-pyrrole.

Atto 647属于新一代红色光谱区荧光标记，具有高分子吸收（120.000）和量子产率（0.20）以及足够的斯托克位移（激发645 nm，发射669 nm）。Atto 647具有高光稳定性的特点。该染料设计用于生命科学领域，例如标记DNA、RNA或蛋白质。Atto染料在生理pH值和pH值高达8.5的缓冲液中非常稳定。但是，在较高的pH值下，染料会缓慢降解。Atto 647马来酰亚胺在极性溶剂（如DMF、DMSO或乙腈）中表现出良好的溶解度。在耦合到衬底后，染料部分是电中性的。

马来酰亚胺是一种环状二羧基，其中氮上的两个碳酰基与氮本身形成1H-吡咯-2,5-二酮结构。它具有EC5.99.1.3[DNA拓扑异构酶（ATP水解）]抑制剂的作用。它是二羧肟和马来酰亚胺的成员。它在功能上与顺丁烯二酸有关。它来源于1H吡咯的氢化物。

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