

HY-W403327 · 50 mg
MedChemExpress · Cat: HY-W403327
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medchemexpress.com/cbznh-peg4-ch2cooh.htmlDescription
CbzNH-PEG4-CH2COOH is a PEG linker containing an carboxylic acid CO2H group and a benzyl Cbz protecting group. The hydrophilic PEG spacer increases the water solubility of a compound in aqueous media. The terminal carboxylic acid is reactive with primary amine groups in the presence of activators e.g. HATU forming a stable amide bond. The benzyl protecting group can be removed via hydrogenolysis to form a free amine.







