// Certificate of Analysis
CoA — Tirzepatide
Third-party verified purity report for Tirzepatide — a synthetic 39-amino acid dual GIP/GLP-1 receptor agonist (“twincretin”). Testing performed by Freedom Diagnostics using HPLC with UV Detection coupled with Mass Spectrometry.
CompoundTirzepatide (GLP TZ)
Accession #2603160184
Search CodePEPL2603160184
Lot Number2603
Net Peptide Content4.51 mg
IdentityGLP TZ
AppearanceWhite Lyophilized Powder
Mass Identification✓ GLP TZ — 99.95%
Testing LabFreedom Diagnostics
Principal ChemistAlex Johnson
Received03/16/2026
Reported03/17/2026
// Full Report (PDF)
Analysis by Freedom Diagnostics · HPLC-UV/MS · LCMS/MS · COA: 2603160184 · Report date: 03/17/2026 · Searchable via FreedomDiagnosticsTesting.com · For research use only