Australian Peptide Labs
In-House Analytical Laboratory
- Compound
- Retatrutide
- Lot Number
- APL-RETA5-2610-05
- Analysis Date
- 23 October 2026
- Method
- HPLC / Mass Spectrometry
- Purity
- 99.27%
- Net Content
- 4.98 mg

- CAS Number
- 2381089-83-2
- Formula
- C221H342N46O68
- Molecular Weight
- 4731.4 g/mol
- Form
- Lyophilised Powder
- Manufactured
- October 2026
- Issued
- 24 October 2026
- Document ID
- APL-COA-RETA5-2610-05
- Verification Code
- Batch traceable
High Performance Liquid Chromatography (HPLC-UV) Chromatogram
Main peak integrated at 99.27% of total area; no single impurity peak exceeds 0.49%.
Peak List
| # | Time (min) | Area | % Area | Identification |
|---|---|---|---|---|
| 1 | 3.922 | 5,763 | 0.081 | — |
| 2 | 4.215 | 34,792 | 0.489 | — |
| 3 | 4.412 | 7,063,066 | 99.270 | Retatrutide |
| 4 | 4.682 | 10,530 | 0.148 | — |
| 5 | 7.843 | 854 | 0.012 | — |
Analytical Results
| Test | Specification | Result | Status |
|---|---|---|---|
| Appearance | White Lyophilised Powder | Conforms | PASS |
| Identity (MS) | Confirmed | Confirmed | PASS |
| Purity (HPLC) | ≥98.0% | 99.27% | PASS |
| Peptide Content | 95–105% | 99.2% | PASS |
| Endotoxins | <0.5 EU/mg | <0.20 EU/mg | PASS |