Australian Peptide Labs
In-House Analytical Laboratory
Certificate of Analysis Tirzepatide 10 mg Batch APL-TIRZ10-2608-01
- Compound
- Tirzepatide
- Lot Number
- APL-TIRZ10-2608-01
- Analysis Date
- 31 August 2026
- Method
- HPLC / Mass Spectrometry
- Purity
- 99.05%
- Net Content
- 10.12 mg
- CAS Number
- 2023788-19-2
- Formula
- C225H348N48O68
- Molecular Weight
- 4813.45 g/mol
- Form
- Lyophilised Powder
- Manufactured
- August 2026
- Issued
- 1 September 2026
- Document ID
- APL-COA-TIRZ10-2608-01
- Verification Code
- Batch traceable
Sequence
39 amino acid dual GIP/GLP-1 agonist on a GIP backbone, C-terminally amidated; Aib at positions 2 and 13, Lys20 conjugated via gamma-Glu-AEEA-AEEA to a C20 fatty diacidHigh Performance Liquid Chromatography (HPLC-UV) Chromatogram
Main peak integrated at 99.05% of total area; no single impurity peak exceeds 0.38%.
Peak List
| # | Time (min) | Area | % Area | Identification |
|---|---|---|---|---|
| 1 | 4.240 | 15,840 | 0.220 | — |
| 2 | 4.490 | 27,360 | 0.380 | — |
| 3 | 4.710 | 7,131,600 | 99.050 | Tirzepatide |
| 4 | 5.130 | 17,280 | 0.240 | — |
| 5 | 6.950 | 7,920 | 0.110 | — |
Analytical Results
| Test | Specification | Result | Status |
|---|---|---|---|
| Appearance | White/Off-White Lyophilised Powder | Conforms | PASS |
| Identity (MS) | Confirmed | Confirmed | PASS |
| Purity (HPLC) | ≥98.0% | 99.05% | PASS |
| Peptide Content | 95–105% | 98.8% | PASS |
| Endotoxins | <0.5 EU/mg | <0.20 EU/mg | PASS |