Axispharm provides you with high-purity CAS:2107273-04-9 N-methyl-N’-(propargyl-PEG4)-Cy5, a cyanine linker with an excitation/emission maximum of 649/667 nm containing an alkynyl group, which enables Click Chemistry to Attach dark and photostable cyanine fluorophores to a variety of molecules.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
