Tirzepatide 99.5% Purity — OupeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The tirzepatide batch (Sept 2, 2025) showed 99.52% purity via HPLC. The tested quantity was 57.3mg against a 60mg label, a deviation of -4.5%. Endotoxin status is not applicable, and the test is older (6-12 months). Customers can cross-check on the lab's public verification URL.
- older (6-12 months)
- no endotoxin test
- Test date
- 2025-10-29
- Testing lab
- LabE
- Batch / lot
- Sept 2, 2025
- Quantity
- 57.3mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.0
- Label dose
- 60mg
How this result compares
This Tirzepatide certificate's tested purity of 99.52% ranks higher than 14% 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.
Oupeptide has 188 certificates in our corpus, including 65 for Tirzepatide at a median tested purity of 99.80%.
Test report image
Finnrick
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