Certificate of Analysis
Detailed analysis results for report #ID-TIRZ-10-218745
▸ Report Overview
Report Number
ID-TIRZ-10-218745Peptide / ProductTirzepatide
Batch / Lot Number218745
CAS Number2023788-19-2
Molecular FormulaC₂₂₅H₃₄₈N₄₈O₆₈
Molecular Weight4813.45 g/mol
Analysis MethodHPLC-UV-MS (220 nm)
AppearanceWhite to off-white lyophilized solid
ClientGenix Labs
Testing LaboratoryMZ Biolabs, LLC
Tests RequestedHPLC · LC-MS · ICP-MS
Date Sample ReceivedJul 24, 2026
Date TestedJul 27, 2026
Date ReportedJul 28, 2026
Purity99.50%
Amount / Fill10 mg
▸ Analytical Results
| Test Parameter | Specification | Observed Result | Status |
|---|---|---|---|
| Appearance | White to off-white lyophilized solid | Conforms | PASS |
| Identity (LC-MS) | Observed mass conforms to structure | 4813.5 amu · conforms | PASS |
| Purity (HPLC-UV) | Minimum 98.00% by chromatogram area | 99.50% | PASS |
| Peptide Content | Report actual content percentage | 99.10% | PASS |
| Lead (Pb) (ICP-MS) | ≤ 10 ppm | < 0.20 ppm | PASS |
| Arsenic (As) (ICP-MS) | ≤ 1.5 ppm | < 0.05 ppm | PASS |
| Cadmium (Cd) (ICP-MS) | ≤ 0.50 ppm | < 0.05 ppm | PASS |
| Mercury (Hg) (ICP-MS) | ≤ 1.5 ppm | < 0.10 ppm | PASS |
▸ Sample & Chromatogram
Sample Photo — Tirzepatide vial (10 mg)
HPLC Chromatogram — HPLC-UV-MS (220 nm)
▸ Certified Report
Verification link: verification.mzbiolabs.us.com/report/ID-TIRZ-10-218745/
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Ken Pendarvis, ChELead Analytical Chemist, MZ Biolabs · Quality Assurance Sign-Off
✓ QA VERIFIED
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