Tirzepatide 98.1% Purity — Zlz PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this Zlz Peptide tirzepatide batch ('purple cap') at 98.1% purity via HPLC. Quantity matched the label within 1%, and the test is recent (under 3 months). Endotoxin status is not applicable for this test type. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- Test date
- 2026-04-23
- Testing lab
- LabE
- Batch / lot
- purple cap
- Quantity
- 20.1mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.1
- Label dose
- 20mg
How this result compares
This Tirzepatide certificate's tested purity of 98.10% ranks higher than 2% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-04-23 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 78% 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
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
Verify on the upstream labSaved source document
sha256:11bc073884e5103d…
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