Tirzepatide 99.1% Purity — Zztai PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide from Zztai Peptide at 99.07% purity via HPLC and mass quantification. Quantity matched the label within 1%. The test is older (6-12 months) and lacks an endotoxin result. No batch ID was provided on the report.
- no endotoxin test
- older (6-12 months)
- no batch ID
- Test date
- 2025-08-28
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 19.9mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.1
- Label dose
- 20mg
How this result compares
This Tirzepatide certificate's tested purity of 99.07% ranks higher than 5% 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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