Tirzepatide 99.8% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide at 99.79% purity via HPLC and mass quantification. The tested quantity was 21.5mg, showing a 7.5% deviation from the 20mg label. Endotoxin status is not applicable, and the test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- no batch ID
- quantity deviation (7.5%)
- Test date
- 2025-12-17
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 21.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.9
- Label dose
- 20mg
How this result compares
This Tirzepatide certificate's tested purity of 99.79% ranks higher than 39% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-12-17 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 47% 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
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