Fluorescein-5-maleimide 是硫醇反应荧光染料 (λex=494 nm，λem=519 nm)，可用于将荧光素与蛋白质缀合。

Fluorescein-5-maleimide is a fluorescent thiol-reactive dye (excitation: 494 nm, emission: 519 nm).

75350-46-8

C24H13NO7

427.36

荧光素-5-马来酰亚胺;N-(5-Fluoresceinyl)maleimide

H2O:< 0.1 mg/mL (insoluble)
DMSO:80 mg/mL (187.20mM),Need ultrasonic
Powder: -20°C for 3 years
In solvent: -80°C for 2 years