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Fluorescein-5-maleimide

Cat.No. : DYE-86
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Description : Fluorescein-5-maleimide is an activated fluorescent molecule (excitation: 494 nm, emission: 519 nm) that is used to easily conjugate fluorescein to proteins. The maleimide group reacts optimally with sulfhydryl groups on cysteine side chains at pH 7, forming a stable thioether bond. The compound can be used to label proteins for the detection of conformational changes, assembly of multisubunit complexes, and ligand-binding processes.
CAS number : 75350-46-8
Molecular Mass : 427.36
Formula : C24H13NO7
Ex(nm) : 493
Em(nm) : 515
Solvent : DMSO
Storage : Store at -20°C in the dark. Dessicated.

For Research Use Only. Not intended for any clinical use. No products from Creative BioMart may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative BioMart.

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