2-(2-Pyridyldithio)ethylamine Hydrochloride (PDEA·HCl, CAS 106139-15-5) is a heterobifunctional disulfide crosslinker with amine and pyridyl disulfide groups. It reacts with thiols (-SH) for reversible bioconjugation, widely used in protein modification, antibody-drug conjugates (ADCs), and peptide labeling. White solid, soluble in water/DMSO, stored at -20°C.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
