Boc-C1-PEG3-C4-OBn

• CAT Number: I017545
• CAS Number: 2381196-81-0
• Molecular Formula: C23H38O6
• Molecular Weight: 410.54
• Purity: ≥95%
• Synonyms: tert-butyl 2-[2-[2-(6-phenylmethoxyhexoxy)ethoxy]ethoxy]acetate
• InChI: InChI=1S/C23H38O6/c1-23(2,3)29-22(24)20-28-18-17-26-16-15-25-13-9-4-5-10-14-27-19-21-11-7-6-8-12-21/h6-8,11-12H,4-5,9-10,13-20H2,1-3H3
• InChIKey: RBTVTEMDPRBJLY-UHFFFAOYSA-N
• SMILES: CC(C)(C)OC(=O)COCCOCCOCCCCCCOCC1=CC=CC=C1

Boc-C1-PEG3-C4-OBn(CAT: I017545) is a heterobifunctional PEG-based linker designed for advanced chemical synthesis and bioconjugation. It contains a tert-butyloxycarbonyl (Boc)-protected amine, a PEG3 spacer for improved solubility and flexibility, and a benzyl ester (OBn) group that serves as a protecting or cleavable handle. The PEG3 unit minimizes steric hindrance while enhancing aqueous compatibility, making this linker ideal for conjugation strategies in medicinal chemistry, peptide synthesis, and drug delivery system development. Boc-C1-PEG3-C4-OBn provides a versatile scaffold for constructing multifunctional molecules, enabling controlled attachment of biomolecules, probes, or therapeutic agents in chemical biology and pharmaceutical research.