S-HyNic Linker (DMF Soluble), 10 mg. S-HyNic heterobifunctional crosslinker is fundamental to SoluLINK bioconjugation technology. S-HyNic reacts with primary amines on proteins (through lysine amino acids) or amino-modified oligonucleotides or surfaces, introducing a HyNic linker that forms stable covalent conjugates with biomolecules possessing 4FB linkers.