Royal Peptides
Royal Peptides supplies research compounds to qualified adults for in-vitro laboratory use. Confirm both requirements to enter.
Royal Peptides is only for adults 21+ buying for laboratory research.
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Royal Peptides products are offered exclusively for laboratory research, analytical and scientific applications. Not for human or veterinary use.
Royal Peptides supplies compounds intended for controlled laboratory research and analytical applications.
Research onlyLaboratory materialAnalytical use
Where applicable, Royal Peptides research materials are supplied in lyophilized form. Lyophilization is a freeze-drying process used to remove moisture from material under controlled conditions.
Storage requirements may vary by compound, formulation and production lot. Refer to the product label and available product-specific documentation.
Packaging components may vary slightly between production lots. This can include vial closures, cap styles, label positioning and external packaging.
Buy Retatrutide (LY3437943) single vials online in the USA, available in multiple research quantities. Batch identification and applicable analytical documentation are available through the Royal Peptides COA library.
Save with the 10-vial kit
Retatrutide 10-Vial Bulk Kit RT
Price range: $285.00 through $1,125.00 · $1.13/mg
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Research noticeFor laboratory and research purposes only. Not intended for human consumption, diagnostic or therapeutic use, or administration to humans or animals.
Royal Peptides supplies Retatrutide (LY3437943) single vials in multiple research quantities for laboratory, analytical, and scientific research applications.
This product page is dedicated specifically to the individual-vial format. Available research quantities, current pricing, and inventory are displayed through the variation selector above.
Single-vial variations provide laboratories with access to individual Retatrutide research quantities without requiring a multi-vial kit. Each selectable quantity is maintained as a variation of this product rather than as a separate product page.
Select the required nominal research quantity using the product variation interface above. Current availability is reflected directly on the product page.
This listing is specifically for individual research vials. Multi-vial research kits are maintained separately to keep the two procurement formats clearly identified.
Retatrutide is the official name associated with the investigational peptide compound also referenced by the development identifier LY3437943. Public scientific and regulatory records provide identifiers that can be used to distinguish the reference compound from similarly named research materials.
Public compound identifiers establish the identity of the scientific reference molecule. They do not replace lot-specific analytical documentation for an individual physical research sample.
Applicable analytical documentation can be reviewed through the Royal Peptides COA library. When evaluating documentation for a supplied research material, researchers should match the available report to the corresponding product and production lot whenever lot-level information is provided.
Retain the identifying information supplied with the research vial as part of the laboratory's internal material records.
Review applicable reports according to their stated sample identifiers, analytical methods, laboratory information, and reported results.
Royal Peptides maintains a separate Retatrutide 10-vial research-kit page containing the expanded Retatrutide research reference, including additional compound information, scientific context, analytical documentation guidance, and research-kit information.
Researchers requiring larger quantities can also review the available multi-vial variations on that page.
This product is Royal Peptides' individual-vial format for Retatrutide research material. Researchers can select from the currently available nominal quantities using the variation selector above.
Yes. LY3437943 and LY-3437943 are development identifiers associated with Retatrutide in public scientific and regulatory records.
No. Available single-vial research quantities are organized as variations of this single product page. This keeps the individual-vial format consolidated under one product URL.
Applicable analytical documentation can be reviewed through the Royal Peptides COA library. Researchers should match available documentation to the corresponding production lot whenever batch-level identification is provided.
Yes. Multi-vial Retatrutide research kits are maintained as a separate variable product. The kit page also contains the expanded Royal Peptides Retatrutide research reference.
No. Retatrutide remains an investigational molecule. Royal Peptides supplies this material exclusively for laboratory, analytical, and scientific research and not for human or veterinary use.
Royal Peptides Retatrutide single vials are supplied exclusively for laboratory, analytical, and scientific research purposes. Not for human or veterinary use, ingestion, injection, administration, pharmaceutical compounding, diagnostic use, therapeutic use, clinical use, or personal experimentation.
| PubChem SID | 507750402 |
|---|---|
| PubChem CID | 171390338 |
| Application | GLP-1, GIP and glucagon receptor signaling research |
| Research focus | Metabolic signaling, receptor pharmacology and energy homeostasis |
| Research targets | GLP-1R, GIPR, GCGR |
| Compound class | Triple receptor agonist |
| Also known as | LY3437943, GGG tri-agonist |
| Sequence | YXQGTFTSDYSILLDKKAQXAFIEYLLEGGPSSGAPPPS |
| Sequence / chemistry notes | 39 residues; X2 and X20 = Aib; residue 13 = α-methyl-leucine; Lys17 lipidated via AEEA–γGlu–C20 diacid; C-terminal amide. Sequence is a backbone schematic, not a complete chemical drawing. |
| Molecular formula | C221H342N46O68 |
| Molecular weight | 4731.34 g/mol |
| CAS number | 2381089-83-2 |
| Purity specification | ≥99% |
| Form | Lyophilized powder |
| Storage | Store at −20°C |
Independent lab results for each lot. Match the lot number on your vial to its report.
View Retatrutide COAs →Orders placed before the daily cut-off ship the same business day when in stock, in plain, secure packaging with tracking.
Store unopened vials frozen (−20 °C), protected from light and moisture. Follow the storage conditions on the product label and the batch COA.
| PubChem SID | 507750402 |
|---|---|
| PubChem CID | 171390338 |
| Application | GLP-1, GIP and glucagon receptor signaling research |
| Research focus | Metabolic signaling, receptor pharmacology and energy homeostasis |
| Research targets | GLP-1R, GIPR, GCGR |
| Compound class | Triple receptor agonist |
| Also known as | LY3437943, GGG tri-agonist |
| Sequence | YXQGTFTSDYSILLDKKAQXAFIEYLLEGGPSSGAPPPS |
| Sequence / chemistry notes | 39 residues; X2 and X20 = Aib; residue 13 = α-methyl-leucine; Lys17 lipidated via AEEA–γGlu–C20 diacid; C-terminal amide. Sequence is a backbone schematic, not a complete chemical drawing. |
| Molecular formula | C221H342N46O68 |
| Molecular weight | 4731.34 g/mol |
| CAS number | 2381089-83-2 |
| Purity specification | ≥99% |
| Form | Lyophilized powder |
| Storage | Store at −20°C |
