Tirzepatide 99.9% Purity — Peptide SciencesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The report indicates 99.9% purity for Tirzepatide via HPLC and mass quantification. The quantity matched the label at 20mg, and the test is recent (under 3 months). Endotoxin status is not applicable for this test type. Customers can verify this report on the lab's public URL.
- no endotoxin test
- quantity deviation unknown
- Test date
- 2026-03-02
- Testing lab
- LabE
- Batch / lot
- Jan 2, 2026
- Quantity
- 20mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 10.0
- Label dose
- 20mg
How this result compares
This Tirzepatide certificate's tested purity of 99.90% ranks higher than 73% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-03-02 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 68% of our catalogued Tirzepatide certificates.
Peptide Sciences has 273 certificates in our corpus, including 56 for Tirzepatide at a median tested purity of 99.83%.
Test report image
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