Tirzepatide 98.6% Purity — Zztai PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (7/21/25) at 98.59% purity via HPLC. The tested quantity was 13.6mg against a 15mg label, a deviation of -9.3%. Endotoxin status is unknown. The test is older (6-12 months). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- older (6-12 months)
- quantity deviation >5%
- Test date
- 2025-08-31
- Testing lab
- LabE
- Batch / lot
- 7/21/25
- Quantity
- 13.6mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.3
- Label dose
- 15mg
How this result compares
This Tirzepatide certificate's tested purity of 98.59% ranks higher than 3% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-08-31 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 26% of our catalogued Tirzepatide certificates.
Zztai Peptide has 35 certificates in our corpus, including 20 for Tirzepatide at a median tested purity of 99.70%.
Test report image
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