Tirzepatide — Peptide SciencesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The report indicates "not detected" for endotoxins and the test was performed using HPLC + mass quantification + endotoxins methods. However, the purity percentage and quantity deviation are not specified. The test is older (6-12 months). Customers can cross-check on the lab's public verification URL.
- no purity test
- no quantity test
- older (6-12 months)
- Test date
- 2025-08-06
- Testing lab
- LabE
- Batch / lot
- [NAME_REDACTED], 2025
- Quantity
- n/a
- Endotoxins
- negative
- Assay method
- HPLC + mass quantification + endotoxins
- Label dose
- 10mg
How this result compares
We have catalogued 8064 Tirzepatide certificates; across the 7694 with a purity result the median tested purity is 99.83%.
Tested 2025-08-06 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 22% of our catalogued Tirzepatide certificates.
Peptide Sciences has 275 certificates in our corpus, including 58 for Tirzepatide at a median tested purity of 99.83%.
Test report image
Finnrick
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
Verify on the upstream labSaved source document
sha256:13576f091e931dfb…
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