AF430 is a hydrophilic dye of coumarin nature, structurally identical to Alexa Fluor™ 430. The dye is used in flow cytometry.
This maleimide derivative is reactive against thiol groups. Therefore, it allows to label many proteins, including those residing on cell surface.
AxisPharm offers 4000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.