Retatrutide 15mg
Research Peptide
Retatrutide is a novel triple-agonist peptide targeting GLP-1, GIP and glucagon receptors. Currently in clinical research for metabolic studies. 15mg lyophilized powder per vial. Reconstitute with bacteriostatic water and store refrigerated at 2–8°C after reconstitution. For research use only — not for human consumption.
For research use only. Not for human consumption.
Third-party lab verification
Every batch is tested by an independent laboratory using RP-HPLC to confirm identity, purity, and endotoxin levels. Sample results for Retatrutide 15mg shown below — lot-specific COAs available on request.
Independent Analytical Laboratory
Certificate of Analysis
Document
COA-RTT-2026-0418
Product
Retatrutide
CAS No.
2381089-83-2
Molecular Formula
C221H343N45O68
Molecular Weight
4731.40 g/mol
Lot Number
RTT-2026-0418
Appearance
White lyophilized powder
Manufacture Date
2026-04-18
Retest Date
2028-04-18
Amino Acid Sequence
H-Aib-EGTFTSDYSIY-Aib-DKAAQDFIEWLKAGGPSSGAPPPS-NH2
Test Results
| Test | Specification | Result | Status |
|---|---|---|---|
| Identification | Conforms (MS) | Conforms | Pass |
| Purity (HPLC) | ≥ 98.0% | 99.42% | Pass |
| Water Content | ≤ 5.0% | 2.1% (Karl Fischer) | Pass |
| Endotoxin | < 10 EU/mg | <5 EU/mg (LAL) | Pass |
| Single Impurity | ≤ 1.0% | 0.46% | Pass |
Method
RP-HPLC, C18, 220 nm, 0.1% TFA / ACN gradient
R. Halverson
QC Analyst
Sample document — request your lot's COA for verification.
RP-HPLC Chromatogram
Retatrutide
Detector
UV 220 nm
Retention
12.34 min
Area %
99.42%
Plates (N)
8,305
| Peak | RT (min) | Area % | Assignment |
|---|---|---|---|
| 1 | 10.92 | 0.21 | Impurity A |
| 2 | 12.34 | 99.42 | Retatrutide |
| 3 | 13.52 | 0.25 | Impurity B |
Sample chromatogram — lot-specific traces on request.
Illustrative sample — request your lot's COA via 907-252-1640