Tirzepatide 99.9% Purity — PeptislimCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The tirzepatide batch (Sep 15, 2025) showed 99.89% purity via HPLC. However, the tested quantity was 26.5mg against a 30mg label, representing an 11.7% deviation. Endotoxin status is not applicable, and the test is older (6-12 months).
- quantity deviation (-11.7%)
- older (6-12 months)
- no endotoxin test
- Test date
- 2025-10-29
- Testing lab
- LabE
- Batch / lot
- Sep 15, 2025
- Quantity
- 26.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.1
- Label dose
- 30mg
How this result compares
This Tirzepatide certificate's tested purity of 99.89% ranks higher than 67% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-10-29 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 36% of our catalogued Tirzepatide certificates.
Peptislim has 62 certificates in our corpus, including 21 for Tirzepatide at a median tested purity of 99.85%.
Test report image
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