Australian Peptide Labs
In-House Analytical Laboratory
- Compound
- Retatrutide
- Lot Number
- APL-RETA5-2609-04
- Analysis Date
- 19 September 2026
- Method
- HPLC / Mass Spectrometry
- Purity
- 99.29%
- Net Content
- 5.01 mg

- CAS Number
- 2381089-83-2
- Formula
- C221H342N46O68
- Molecular Weight
- 4731.4 g/mol
- Form
- Lyophilised Powder
- Manufactured
- September 2026
- Issued
- 19 September 2026
- Document ID
- APL-COA-RETA5-2609-04
- Verification Code
- Batch traceable
High Performance Liquid Chromatography (HPLC-UV) Chromatogram
Main peak integrated at 99.29% of total area; no single impurity peak exceeds 0.52%.
Peak List
| # | Time (min) | Area | % Area | Identification |
|---|---|---|---|---|
| 1 | 3.917 | 5,437 | 0.076 | — |
| 2 | 4.201 | 37,199 | 0.520 | — |
| 3 | 4.407 | 7,102,883 | 99.290 | Retatrutide |
| 4 | 4.699 | 7,368 | 0.103 | — |
| 5 | 7.844 | 787 | 0.011 | — |
Analytical Results
| Test | Specification | Result | Status |
|---|---|---|---|
| Appearance | White Lyophilised Powder | Conforms | PASS |
| Identity (MS) | Confirmed | Confirmed | PASS |
| Purity (HPLC) | ≥98.0% | 99.29% | PASS |
| Peptide Content | 95–105% | 99.2% | PASS |
| Endotoxins | <0.5 EU/mg | <0.20 EU/mg | PASS |