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Description
TCI B5901 PEG5-Carboxylic Acid tert-Butyl Ester is a high-purity heterobifunctional PEGylation reagent featuring a pentamethylene glycol spacer and a tert-butyl-protected carboxylic acid moiety suitable for sequential conjugation strategies. It is widely utilized in the synthesis of antibody-drug conjugates (ADCs), PROTACs, peptide modifications, and nanoparticle surface functionalization. The hydrophilic PEG linker enhances aqueous solubility of the resulting conjugates while minimizing non-specific binding in biological assays.
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![tert-Butyl 4-[4-(1-Hydroxyethyl)-2-methoxy-5-nitrophenoxy]butanoate (CAS 1410809-16-3) - TCI B6668 - AMI Scientific](http://amiscientific.com/cdn/shop/files/TCI2510B6668.jpg?v=1767094102&width=533)
