
Retatrutide Peptide
Lipidated 39-residue peptide amide, acetate salt
- Full identity stated — CAS, sequence, formula, mass
- 7 of 7 specification figures carry a recorded primary source
- Dispatched from the EU in 2–5 business days, tracked
- Any batch assay is published here before purchase
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EU dispatch 2–5 business days · tracked
Supplied as a laboratory reagent for in-vitro research use only — not for human or veterinary use.
- Preparingplain packaging
- In transittracked, EU-wide
- Delivered2–5 business days
- No assay on file — the specification is stated on its face, not certified
- Plain packaging
- Tracked, insulated EU dispatch in 2–5 business days
Analytical record
- Tyr
- {Aib}
- Gln
- Gly
- Thr
- Phe
- Thr
- Ser
- Asp
- Tyr
- Ser
- Ile
- {α
- Me
- Leu}
- Leu
- Asp
- Lys
- {diacid
- C20
- gamma
- Glu
- (AEEA)
- Lys}
No certificate is published for this item yet. When one is, its chromatogram replaces this panel.
Specification
- CAS
- 2381089-83-2
- Manufacturer specification 2026-09-06
- Molecular formula
- C221H342N46O68
- Manufacturer specification 2026-09-06
- Molecular weight
- 4731.33 g/mol
- Manufacturer specification 2026-09-06
- Sequence
- Tyr-{Aib}-Gln-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Ile-{α-Me-Leu}-Leu-Asp-Lys-{diacid-C20-gamma-Glu-(AEEA)-Lys}-Ala-Gln-{Aib}-Ala-Phe-Ile-Glu-Tyr-Leu-Leu-Glu-Gly-Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-NH2
- Manufacturer specification 2026-09-06
- Form
- White to off-white powder; supplied as the acetate salt — the CAS and molecular weight refer to the free peptide
- Manufacturer specification 2026-09-06
- Storage
- Not stated by the supplier
- Manufacturer specification 2026-09-06
- Purity
- ≥ 98.0% (HPLC), supplier specification; batch certificate not yet published
- Manufacturer specification 2026-09-06
7 of 7 figures above carry a recorded primary source, most recently read 2026-09-06.
Batch assays
No certificate is published for this item. It stays listed without one only because its specification is sourced. The purity in the Specification block is a stated specification for the compound, not a measurement of this batch — no measured purity figure is asserted anywhere on this page.
Research context
Retatrutide is a synthetic lipidated peptide indexed under CAS 2381089-83-2 and carried in chemical registries under the development code LY3437943. Its 39-residue sequence contains two aminoisobutyric acid residues, an α-methyl-leucine, a C20 diacid side chain attached through a gamma-glutamate–AEEA linker, and a C-terminal amide. It has been described in the peer-reviewed literature under that code as a triple agonist peptide at the glucagon, GIP and GLP-1 receptors, in work that also reported studies in an animal model. It has no marketing authorisation in the European Union and is supplied here as a laboratory chemical only.
References
Storage & handling
Not stated by the supplier
Lyophilised material is stored as stated above and reconstituted only at the point of use. Record the diluent volume with the batch: mass and volume together define the working concentration.
Concentration calculator →