"Fluorescein-5-maleimide" Related Products

Fluorescein-5-maleimide

Cat.No.: DYE-86
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.

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