ILS Laboratories
8222 Vickers St, Suite 106, San Diego, CA 92111
(619) 329-3999 · ils-lab.com
Certificate of Analysis
PASSTirzepatide — 10mg
Independently tested for: Peerless Peptides
- COA #
- COA-2026-413003
- Method
- Full QC Panel
- Lot Number
- 08-2606
- Analysis Date
- 03/26/2026
- Concentration
- 10mg
- Appearance
- good
- Received
- 03/20/2026
- Volume
- 3mL
Identity
Tirzepatide
Purity
99.22%
Full QC Panel
| Analyte | Specification | Result | Unit | Status |
|---|---|---|---|---|
| Purity (HPLC) | ≥ 95.0%% | 99.22% | % | PASS |
| Net Peptide Content | Report Only | 10.42 | mg | N/A |
| Identity (ID) | Tirzepatide | Confirmed | — | PASS |
| Sterility (PCR) | No Growth | No Growth | ppm | PASS |
| Endotoxin (USP <85>) | Report Result | 0.046 | EU/mL | Reported |
Date Tested: 03/26/2026· HPLC at UV 214 nm.
HPLC Chromatogram
Heavy Metals Analysis (ICP-MS)
| Test | Specification | Result | Status |
|---|---|---|---|
| Arsenic (As) | ≤ 1.5 | 0.00 ppm | PASS |
| Cadmium (Cd) | ≤ 0.5 | 0.00 ppm | PASS |
| Lead (Pb) | ≤ 1.0 | 0.00 ppm | PASS |
| Mercury (Hg) | ≤ 1.5 | 0.00 ppm | PASS |
| Chromium (Cr) | ≤ 10.0 | 0.00 ppm | PASS |
Elemental impurities analyzed by Inductively Coupled Plasma Mass Spectrometry (ICP-MS) per USP <233> methodology.
Conclusion
This lot conforms to all specifications and is released for research use.
Dr. Greg Kalyuzhny
Lab Director
ILS Laboratories
ISO/IEC 17025 · PJLA Accredited
Access Code
E8NCJUPY
Verify URL
portal.ils-lab.com/verify/413003
