Tirzepatide 99.8% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The tirzepatide showed 99.82% purity via HPLC and mass quantification. The tested quantity was 31.8mg against a 30mg label, a 6% deviation. Endotoxin status is not applicable for this test type. The test is recent (3-6 months old) and a verification URL is available.
- no endotoxin test
- quantity deviation (6%)
- no batch ID
- Test date
- 2026-01-19
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 31.8mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.5
- Label dose
- 30mg
How this result compares
This Tirzepatide certificate's tested purity of 99.82% ranks higher than 49% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-01-19 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 55% of our catalogued Tirzepatide certificates.
Zlz Peptide has 274 certificates in our corpus, including 94 for Tirzepatide at a median tested purity of 99.80%.
Test report image
Finnrick
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Verify on the upstream labSaved source document
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