Azido-PEG4-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane

• CAT Number: I015749
• CAS Number: 1421933-29-0
• Molecular Formula: C36H66N4O14
• Molecular Weight: 778.93
• Purity: ≥95%
• Synonyms: tert-butyl 3-[2-[3-[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethoxy]propanoylamino]-3-[3-[(2-methylpropan-2-yl)oxy]-3-oxopropoxy]-2-[[3-[(2-methylpropan-2-yl)oxy]-3-oxopropoxy]methyl]propoxy]propanoate
• InChI: InChI=1S/C36H66N4O14/c1-33(2,3)52-30(42)11-16-49-26-36(27-50-17-12-31(43)53-34(4,5)6,28-51-18-13-32(44)54-35(7,8)9)39-29(41)10-15-45-20-22-47-24-25-48-23-21-46-19-14-38-40-37/h10-28H2,1-9H3,(H,39,41)
• InChIKey: WXDPDERWOTZNLB-UHFFFAOYSA-N
• SMILES: CC(C)(C)OC(=O)CCOCC(COCCC(=O)OC(C)(C)C)(COCCC(=O)OC(C)(C)C)NC(=O)CCOCCOCCOCCOCCN=[N+]=[N-]

Azido-PEG4-Amido-tri-(t-butoxycarbonylethoxymethyl)-methane（Cat No.:I015749）is a multifunctional reagent tailored for advanced bioconjugation and chemical biology. It features a terminal azide group for bioorthogonal click chemistry, a PEG4 spacer that improves hydrophilicity, flexibility, and solubility, and an amide linkage for stability. The tri-(t-butoxycarbonylethoxymethyl) moiety provides three Boc-protected functional groups, allowing controlled deprotection and subsequent derivatization under mild conditions. This design enables modular, orthogonal strategies for constructing complex biomolecular architectures. It is widely applied in probe development, drug discovery, and materials science, supporting precise and customizable conjugation approaches.