Fmoc-AEEA-OH (CAS No. 166108-71-0, molecular formula C₂₁H₂₃NO₆) is a white to beige solid used in peptide synthesis as a hydrophilic spacer with an Fmoc-protected amino group. It allows controlled chain extension during solid-phase synthesis and is commonly used in the preparation of GLP-1 receptor agonists such as Semaglutide and Tirzepatide. The compound is supplied in 25 kg fiber drums and should be stored under inert atmosphere at room temperature to ensure stability.
- CAS No.: 166108-71-0
- Molecular Formula: C₂₁H₂₃NO₆
- Purity: 99% min
![Fmoc-L-Lys[C₂₀-OtBu-γ-Glu(OtBu)-AEEA-AEEA]-OH](https://www.etwinternational.com/public/propic/4336/b_2-3-1-fmoc-l-lys-c20-otbu-glu-otbu-aeea-aeea-oh_01.webp "Fmoc-L-Lys[C₂₀-OtBu-γ-Glu(OtBu)-AEEA-AEEA]-OH")
![Fmoc-L-Lys[Oct-(otBu)-γ-Glu-(otBu)-AEEA-AEEA]-OH](https://www.etwinternational.com/public/propic/4336/b_2-2-1-fmoc-l-lys-oct-otbu_01.webp "Fmoc-L-Lys[Oct-(otBu)-γ-Glu-(otBu)-AEEA-AEEA]-OH")
