{"kind":"compound","id":"retatrutide","name":"Retatrutide","url":"https://costides.us/us/research/retatrutide","last_verified":"2026-08-21","identity":{"cas":"2381089-83-2","formula":"C221H342N46O68","mw":4731,"sequence":null,"sequence_3letter":null,"residues":null,"pubchem":171390338,"identity_note":null,"parent_ligand":null},"chunks":[{"id":"lead-retatrutide","type":"definition","heading":"What is Retatrutide?","text":"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.","words":46},{"id":"def-retatrutide","type":"definition","heading":"Retatrutide overview","text":"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.","words":66},{"id":"id-retatrutide","type":"identity","heading":"Retatrutide chemical identity","text":"Retatrutide chemical identity: CAS 2381089-83-2; formula C221H342N46O68; average MW 4731 Da; PubChem CID 171390338. Values come from the Costides peptide research index.","words":22},{"id":"policy-retatrutide","type":"policy","heading":"Research Use Only","text":"Research Use Only. Not for human or veterinary use. This page indexes chemical identity and citations. It is not medical advice and does not describe administration or dosing.","words":28},{"id":"pass-what-retatrutide","type":"definition","heading":"What is Retatrutide?","text":"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.","words":46},{"id":"pass-human-retatrutide","type":"definition","heading":"Is Retatrutide for human use?","text":"No. Retatrutide (RETA) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.","words":24},{"id":"pass-cas-retatrutide","type":"definition","heading":"What is the CAS number of Retatrutide?","text":"The CAS number of Retatrutide (RETA) is 2381089-83-2. Formula and molecular weight appear in the identity table when retrieved.","words":19},{"id":"pass-mw-retatrutide","type":"definition","heading":"What is the molecular weight of Retatrutide?","text":"The average molecular weight of Retatrutide (RETA) listed on Costides is 4731 Da.","words":13},{"id":"faq-retatrutide-1","type":"faq","heading":"What is Retatrutide?","text":"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.","words":62},{"id":"faq-retatrutide-2","type":"faq","heading":"What is the CAS number of Retatrutide?","text":"The CAS number of Retatrutide (RETA) is 2381089-83-2. Formula and molecular weight appear in the identity table when retrieved.","words":19},{"id":"faq-retatrutide-3","type":"faq","heading":"Is Retatrutide for human use?","text":"No. Retatrutide (RETA) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.","words":24},{"id":"faq-retatrutide-4","type":"faq","heading":"What is the molecular weight of Retatrutide?","text":"The average molecular weight of Retatrutide (RETA) listed on Costides is 4731 Da.","words":13},{"id":"faq-retatrutide-5","type":"faq","heading":"Can I buy Retatrutide from Costides?","text":"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.","words":26},{"id":"faq-retatrutide-6","type":"faq","heading":"Where does identity data for Retatrutide come from?","text":"Costides indexes registry and bibliographic sources (PubChem, CAS Common Chemistry, PubMed permalinks) when available. Outcome or efficacy claims are not restated on this page.","words":24},{"id":"cite-retatrutide-1","type":"citation","heading":"PubChem CID 171390338","text":"PubChem CID 171390338. https://pubchem.ncbi.nlm.nih.gov/compound/171390338","words":4},{"id":"cite-retatrutide-2","type":"citation","heading":"CAS Common Chemistry 2381089-83-2","text":"CAS Common Chemistry 2381089-83-2. https://commonchemistry.cas.org/detail?cas_rn=2381089-83-2","words":5},{"id":"cite-retatrutide-3","type":"citation","heading":"ChEMBL CHEMBL5095485","text":"ChEMBL CHEMBL5095485. https://www.ebi.ac.uk/chembl/explore/compound/CHEMBL5095485","words":3},{"id":"cite-retatrutide-4","type":"citation","heading":"GLP-1 and dual GIP/GLP-1 receptor agonists' psychopharmacology and putative neuropsychiatric associated effects: a Bradford Hill-informed, systematic, evaluation.","text":"GLP-1 and dual GIP/GLP-1 receptor agonists' psychopharmacology and putative neuropsychiatric associated effects: a Bradford Hill-informed, systematic, evaluation.. PMID 42624955. https://pubmed.ncbi.nlm.nih.gov/42624955/","words":20},{"id":"cite-retatrutide-5","type":"citation","heading":"DOI for PMID 42624955","text":"DOI for PMID 42624955. PMID 42624955. https://doi.org/10.1007/s11920-026-01709-w","words":7},{"id":"cite-retatrutide-6","type":"citation","heading":"Retatrutide-Associated Improvements in Cardiovascular Risk Biomarkers in Adults With Obesity With or Without Type 2 Diabetes.","text":"Retatrutide-Associated Improvements in Cardiovascular Risk Biomarkers in Adults With Obesity With or Without Type 2 Diabetes.. PMID 42608321. https://pubmed.ncbi.nlm.nih.gov/42608321/","words":19}],"faqs":[{"question":"What is Retatrutide?","answer":"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."},{"question":"What is the CAS number of Retatrutide?","answer":"The CAS number of Retatrutide (RETA) is 2381089-83-2. Formula and molecular weight appear in the identity table when retrieved."},{"question":"Is Retatrutide for human use?","answer":"No. Retatrutide (RETA) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing."},{"question":"What is the molecular weight of Retatrutide?","answer":"The average molecular weight of Retatrutide (RETA) listed on Costides is 4731 Da."},{"question":"Can I buy Retatrutide from Costides?","answer":"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."},{"question":"Where does identity data for Retatrutide come from?","answer":"Costides indexes registry and bibliographic sources (PubChem, CAS Common Chemistry, PubMed permalinks) when available. Outcome or efficacy claims are not restated on this page."}],"links":[{"rel":"canonical","href":"https://costides.us/us/research/retatrutide"},{"rel":"rag","href":"https://costides.us/api/rag/compound/retatrutide"},{"rel":"cas","href":"https://costides.us/us/cas/2381089-83-2"},{"rel":"product","href":"https://costides.us/us/products/retatrutide-rt5"},{"rel":"llms","href":"https://costides.us/llms.txt"}]}