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| CAS Number | 2381089-83-2 |
| Molecular Formula | C221H342N46O68 |
| Molar Mass | 4731.33 g/mol (or approximately 4731 g/mol) |
| Sequence | Tyr-{Aib}-Gln-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Ile-{α-Me-Leu}-Leu-Asp-Lys-{Lys(AEEA-γGlu-C20 diacid)}-Ala-Gln-{Aib}-Ala-Phe-Ile-Glu-Tyr-Leu-Leu-Glu-Gly-Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-NH2
(Short form: Y{Aib}QGTFTSDYSI{αMeL}LDK{K(AEEA-γGlu-C20 diacid)}AQ{Aib}AFIEYLLEGGPSSGAPPPS-NH2; 39 amino acids with modifications: Aib at positions 2 & 20, α-methyl-Leu at 13, and C20 fatty diacid acylation via linker on Lys17) |
| Synonyms | LY3437943, Retatrutide, Triple agonist GLP, GLP-3, GLP-RT, GLP-3 RT |
| Purity | ≥98–99% (HPLC) — commonly ≥99% for research-grade |
| Form | Lyophilized powder (white to off-white) |
| Storage | −20°C (long-term, lyophilized); 2–8°C (reconstituted, short-term); protect from light and moisture |
| Solubility | Soluble in bacteriostatic water, sterile water, or saline (often 5–20 mg/mL depending on conditions; may require gentle agitation or pH adjustment for full dissolution) |
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