GLP-3 R (Retatrutide)
All products listed on this site are for research purposes only — not for human dosing, injection, or ingestion.
Ships from the USA · Free US shipping over $200 · Lyophilized solids are ambient-stable in transit.
Retatrutide research reference →
Specifications
| Compound | Retatrutide |
|---|---|
| CAS number | 2381089-83-2 |
| Molecular formula | C221H342N46O68 |
| Molecular weight | 4731.33 g/mol |
| Sequence (N-terminal, partial) | Y-Aib-QGTFTSDYSI … |
| Class | Acylated 39-amino-acid triple GCGR / GIPR / GLP-1R agonist |
| Format | 10mL Vial |
| Available sizes | 10mg · 20mg · 40mg |
| Form | Lyophilized powder |
| Research area | Metabolic Research |
| Purity (UV) | 10mg (lot RET10VAS0626): 99.1% 40mg (lot RET40VAS0526): >99.5% 20mg (lot RET20VAS0526): >99.4% 20mg (lot RET20VAS0626): 99.0% |
Identity data cross-checked against PubChem and 4 further reference sources.
Storage & handling
Supplied as a lyophilized solid. Store sealed at −20 °C for long-term holding, or refrigerated (2–8 °C) short term, protected from light and moisture. See the storage reference.
Third-party testing
Every size has a published certificate: LC-MS identity and UV purity, with the lot number and the testing laboratory named. Each is also in the COA library. Where a size lists more than one lot, the lot number on the vial's label says which certificate applies.
| Size | Lot | UV purity | Reported |
|---|---|---|---|
| 10mg | RET10VAS0626 | 99.1% | Jun 15, 2026 |
| 40mg | RET40VAS0526 | >99.5% | May 21, 2026 |
| 20mg | RET20VAS0526 | >99.4% | May 21, 2026 |
| 20mg | RET20VAS0626 | 99.0% | Jun 15, 2026 |
Each lot number opens its certificate (PDF). Issued by AxisPharm, LLC and provided by our supplier (where the certificates come from). Endotoxin (LAL), where the lab reported it, is printed on the certificate.
Shipping
Orders ship from the USA. Lyophilized solids are stable at ambient temperature in transit — moisture, not brief warmth, is the storage risk — so the emphasis is on sealing rather than cold packs. Free US shipping on orders over $200. Full details on the shipping page.