Tirzepatide 99.9% Purity — Zztai PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The tirzepatide showed 99.87% purity via HPLC. The tested quantity of 27.7mg was 7.7% below the 30mg label, and endotoxin status is unknown. The test is older (6-12 months).
- no endotoxin test
- stale (6-12 months)
- quantity deviation (-7.7%)
- Test date
- 2025-08-28
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 27.7mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.0
- Label dose
- 30mg
How this result compares
This Tirzepatide certificate's tested purity of 99.87% ranks higher than 61% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-08-28 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 25% 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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