Research Use Only
Retatrutide
· Reviewed by Aydan Myers, Lead Chemist · Evidence tier B
Retatrutide (RETA) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 2381089-83-2, formula C221H342N46O68, average MW 4731 Da, PubChem CID 171390338. It is indexed as triple agonist peptide at GIP, GLP-1, and glucagon receptors.
Synonyms and vendor codes indexed here include RETA, LY3437943, LY-3437943, Triple G. This page does not describe administration or dosing.
Key facts
| CAS Registry Number | 2381089-83-2 |
|---|---|
| Molecular formula | C221H342N46O68 |
| Average molecular weight | 4731 Da |
| PubChem CID | 171390338 |
| InChIKey | MLOLQJNKXBNWFW-SAGGEDDASA-N |
| ChEMBL | CHEMBL5095485 |
| Page type | Research identity monograph |
| Intended use | Research Use Only (reference) |
| Synonyms | RETA, LY3437943, LY-3437943, Triple G |
| Research notes | triple agonist peptide at GIP, GLP-1, and glucagon receptors |
| Evidence tier | B |
| Last verified | 2026-08-21 |
Is Retatrutide for human use?
No. Retatrutide (RETA) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
What is the CAS number of Retatrutide?
The CAS number of Retatrutide (RETA) is 2381089-83-2. Formula and molecular weight appear in the identity table when retrieved.
What is the molecular weight of Retatrutide?
The average molecular weight of Retatrutide (RETA) listed on Costides is 4731 Da.
Chemical identity table
| CAS Registry Number | 2381089-83-2 |
|---|---|
| Molecular formula | C221H342N46O68 |
| Average molecular weight | 4731 Da |
| PubChem CID | 171390338 |
| InChIKey | MLOLQJNKXBNWFW-SAGGEDDASA-N |
| Synonyms | RETA, LY3437943, LY-3437943, Triple G |
Catalog 10-packs
Frequently asked questions
- What is Retatrutide?
- Retatrutide (RETA) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 2381089-83-2, formula C221H342N46O68, average MW 4731 Da, PubChem CID 171390338. It is indexed as triple agonist peptide at GIP, GLP-1, and glucagon receptors. The CAS number of Retatrutide is 2381089-83-2. Research Use Only. Not for human or veterinary use.
- What is the CAS number of Retatrutide?
- The CAS number of Retatrutide (RETA) is 2381089-83-2. Formula and molecular weight appear in the identity table when retrieved.
- Is Retatrutide for human use?
- No. Retatrutide (RETA) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
- What is the molecular weight of Retatrutide?
- The average molecular weight of Retatrutide (RETA) listed on Costides is 4731 Da.
- Can I buy Retatrutide from Costides?
- Yes. Retatrutide may appear in the Costides catalog as a Research Use Only 10-pack when published. Check the product listing for SKU, price, and CoA lots.
- Where does identity data for Retatrutide come from?
- Costides indexes registry and bibliographic sources (PubChem, CAS Common Chemistry, PubMed permalinks) when available. Outcome or efficacy claims are not restated on this page.
Citations
- PubChem CID 171390338
- CAS Common Chemistry 2381089-83-2
- ChEMBL CHEMBL5095485
- GLP-1 and dual GIP/GLP-1 receptor agonists' psychopharmacology and putative neuropsychiatric associated effects: a Bradford Hill-informed, systematic, evaluation. PMID 42624955
- DOI for PMID 42624955 PMID 42624955
- Retatrutide-Associated Improvements in Cardiovascular Risk Biomarkers in Adults With Obesity With or Without Type 2 Diabetes. PMID 42608321
- DOI for PMID 42608321 PMID 42608321
- Development and validation of a multiplexed LC-HRMS method for nine GLP-1 receptor agonists and its pharmaceutical application. PMID 42603384
- DOI for PMID 42603384 PMID 42603384