Tirzepatide 99.7% Purity — Peptide SciencesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The report indicates 99.66% purity via HPLC. However, the tested quantity of 40.8mg significantly deviates from the 30mg label, showing a 36% overage. Endotoxin status is not applicable, and the test is older (6-12 months).
- high quantity deviation (+36%)
- no endotoxin test
- older (6-12 months)
- Test date
- 2025-06-29
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 40.8mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.2
- Label dose
- 30mg
How this result compares
This Tirzepatide certificate's tested purity of 99.66% ranks higher than 22% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-06-29 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 18% 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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