Description
Retatrutide is a synthetic 39-residue linear peptide amide. It contains α-aminoisobutyric acid (Aib) at positions 2 and 20 and α-methyl-L-leucine at position 13, and an icosanedioic (C20) fatty diacid is attached to the Lys17 side chain through a γ-glutamyl–AEEA linker.
Specifications
- Sequence: Y-Aib-QGTFTSDYSI-αMeL-LDK-K(AEEA-γGlu-CO-(CH2)18-CO2H)-AQ-Aib-AFIEYLLEGGPSSGAPPPS-NH2 (Aib = α-aminoisobutyric acid; αMeL = α-methyl-L-leucine; AEEA = 8-amino-3,6-dioxaoctanoic acid)
- Molecular formula: C221H342N46O68
- Molecular weight: 4731.35 g/mol (average, calculated from molecular formula)
- CAS: 2381089-83-2
- Purity: 99.6% (HPLC)
- Form: 10 mg lyophilized powder, sealed vial
- Storage: −20 °C, lyophilized; 24 months
Quality documentation
A lot-specific certificate of analysis (COA) is provided for this product.




