TAMRA-PEG2-Maleimide CAS:2304558-24-3 is a TAMRA red fluorescent dye linker containing a maleimide group with maximum excitation/emission wavelengths of 553/575 nm, which will react with a thiol group to form a covalent bonds, thereby linking biomolecules to thiols.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.