TAMRA-C6-Acid CAS:2183473-11-0 is a TAMRA dye linker in which a terminal carboxylic acid can react with a primary amine group to form a stable amide bond in the presence of an activator such as EDC or HATU.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.