Tirzepatide 99.0% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (T40) at 98.96% purity via HPLC. The tested quantity was 42.4mg, a 6% deviation from the 40mg label. Endotoxin status is not available, and the test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (6%)
- Test date
- 2026-02-02
- Testing lab
- LabE
- Batch / lot
- T40
- Quantity
- 42.4mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.6
- Label dose
- 40mg
How this result compares
This Tirzepatide certificate's tested purity of 98.96% ranks higher than 4% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-02 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 59% 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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