This protected peptide intermediate, Boc-His(Trt)-Aib-Glu(OtBu)-Gly-OH (CAS No. 1890228-73-5, molecular formula C45H56N6O9), is commonly used in the synthesis of Semaglutide. It includes several strategic protecting groups, Boc, Trt, and OtBu, providing stability and controlled reactivity during sequence assembly. With a molecular weight of 825.0 g/mol and purity ≥98%, it is supplied as a white to off-white solid in 25 kg fibre drums. To maintain its integrity, it should be kept tightly sealed under refrigeration.
- CAS No.: 1890228-73-5
- Molecular Formula: C₄₅H₅₆N₆O₉
- Purity: 98% min
