Tirzepatide 99.5% Purity — Mai PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (12/2025) at 99.46% purity via HPLC. The tested quantity was 8.8% over the 60mg label, and the test is recent (3-6 months old). Endotoxin status is unknown. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (8.8% over)
- Test date
- 2026-02-02
- Testing lab
- LabE
- Batch / lot
- 12/2025
- Quantity
- 65.3mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.7
- Label dose
- 60mg
How this result compares
This Tirzepatide certificate's tested purity of 99.46% ranks higher than 12% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-02 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 59% of our catalogued Tirzepatide certificates.
Mai Peptide has 77 certificates in our corpus, including 21 for Tirzepatide at a median tested purity of 99.68%.
Test report image
Finnrick
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