Retatrutide 20mg
Research Peptide
Retatrutide is a triple agonist (GLP-1, GIP, glucagon) under metabolic research. Each vial contains 20mg lyophilized peptide, ≥99% purity HPLC tested. For laboratory 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 20mg shown below — lot-specific COAs available on request.
Independent Analytical Laboratory
Certificate of Analysis
Document
COA-RTT-2026-0522
Product
Retatrutide
CAS No.
2381089-83-2
Molecular Formula
C221H343N45O68
Molecular Weight
4731.40 g/mol
Lot Number
RTT-2026-0522
Appearance
White lyophilized powder
Manufacture Date
2026-05-22
Retest Date
2028-05-22
Amino Acid Sequence
H-Aib-EGTFTSDYSIY-Aib-DKAAQDFIEWLKAGGPSSGAPPPS-NH2
Test Results
| Test | Specification | Result | Status |
|---|---|---|---|
| Identification | Conforms (MS) | Conforms | Pass |
| Purity (HPLC) | ≥ 98.0% | 99.51% | Pass |
| Water Content | ≤ 5.0% | 1.9% (Karl Fischer) | Pass |
| Endotoxin | < 10 EU/mg | <5 EU/mg (LAL) | Pass |
| Single Impurity | ≤ 1.0% | 0.50% | 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
12.31 min
Area %
99.51%
Plates (N)
8,234
| Peak | RT (min) | Area % | Assignment |
|---|---|---|---|
| 1 | 10.89 | 0.22 | Impurity A |
| 2 | 12.31 | 99.51 | Retatrutide |
| 3 | 13.49 | 0.24 | Impurity B |
Sample chromatogram — lot-specific traces on request.
Illustrative sample — request your lot's COA via 907-252-1640