Product Description
NSP offers heterobifunctional Folate PEG Acetic Acid products (Folate-PEG-COOH, Folic acid-PEG-COOH) with high quality. Folic acid, or vitamin B9, can selectively bind to folate receptor, while the carboxylic group can reactive with amine-containing moieties. The PEG moiety in the heterofunctional PEG derivatives provides water solubility, biocompatibility, and flexibility.