A thirty-nine residue triple agonist at the GIP, GLP-1 and glucagon receptors, with aminoisobutyric acid substitutions and a C20 diacid on lysine 17. Used to examine how simultaneous engagement of three incretin pathways differs from dual or single receptor agonism in receptor binding and signalling assays.
20% off Limited time, every size
Was $105$84.00/ 10 mg · USD
Every vial ships with its lot record. The price shown is the price our fulfilment partner charges at checkout.
What the price already covers
- The testing laboratory’s certificate for each lot on file, linked from this page with a verification number you can check on the laboratory’s own site.
- Purity by reversed-phase HPLC and identity by mass spectrometry on every certificate listed.
- Measured content in milligrams, against the label, wherever the certificate reports it.
Shipping is $12.99 an order and free over $1,000, 2-Day or Overnight, United States only.
Specification
- Purity, catalogue minimum
- ≥98.1% by RP-HPLC at 214 nm; the measured figure is on each certificate
- Identity
- Confirmed by mass spectrometry
- CAS number
- 2381089-83-2
- PubChem CID
- 171934787
- Molecular formula
- C221H342N46O68
- Molecular weight
- 4,731 g/mol
- Amino acid count
- 39
- Sequence
- Not stated by our supplier
- Physical form
- Lyophilized powder
- Solubility
- Soluble in water or dilute aqueous buffer.
- Storage
- -20 °C, desiccated
- Measured content
- Milligrams per vial, on the lot certificate
- Availability
- In stock
Thirty-nine residues with a C20 fatty diacid on lysine 17.
Certificates on file
No current certificate is on file for 10 mg, 200 mg.
Price at every quantity
- 10 mg
Was $105$84.00$8.40/mg - 20 mg
Was $200$160$8.00/mg - 30 mg
Was $240$192$6.40/mg - 48 mg
Was $300$240$5.00/mg - 60 mg
Was $400$320$5.33/mg - 200 mg
Was $840$672$3.36/mg
No account, no code and no quote form. The ladder is the whole of the pricing, and it is the same ladder for everybody.
Research reference
Status, checked October 13, 2026: Investigational. No FDA-approved product; Lilly plans to submit a Biologics License Application in the first quarter of 2027. The dated record.
Further reading
Questions about Retatrutide
- What is Retatrutide?
- Retatrutide (LY-3437943) is a 39-residue peptide with the molecular formula C221H342N46O68 and a molecular weight of 4,731 g/mol. Touchstone supplies it as lyophilized powder in 10 mg, 20 mg, 30 mg, 48 mg, 60 mg and 200 mg, for laboratory research use only.
- What are the identifiers for Retatrutide?
- Retatrutide is catalogued under CAS number 2381089-83-2 and PubChem CID 171934787. The full specification is on this page.
- Is Retatrutide laboratory tested?
- Yes. 4 certificates of analysis are on file for Retatrutide, from Bioviridian Inc., covering 20 mg, 30 mg, 48 mg and 60 mg. Each reports purity by reversed-phase HPLC and identity by mass spectrometry; the most recent shows 99.79% for lot RETA20-0803, and each carries a verification number that can be checked on the laboratory's own site.
- What is the regulatory status of Retatrutide?
- As of October 13, 2026: Investigational. No FDA-approved product; Lilly plans to submit a Biologics License Application in the first quarter of 2027.
- How is Retatrutide supplied and stored?
- It is supplied as lyophilized powder. Storage: -20 °C, desiccated.
- How fast does Retatrutide ship?
- Orders placed before 2pm ET on a working day go out the same day, by 2-Day or Overnight service, and the tracking number is emailed when the label is made. Shipping is $12.99 an order and free over $1,000. United States addresses only.
- Can Retatrutide be used in people or animals?
- No. Retatrutide is sold for laboratory research use only. It is not for human or veterinary use, and it is not sold for it.
Others in glp-1 and metabolic
For laboratory research use only. Not for human or veterinary use, and not sold for it. Bodily introduction of this material is prohibited.