Tirzepatide 99.5% Purity — Ln PeptidesCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (Translucent yellow top) at 99.5% purity via HPLC. However, the tested quantity was significantly lower than the label, showing a -79.2% deviation (12.3mg vs 60mg). Endotoxins were low, and the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- major quantity deviation
- Test date
- 2026-04-28
- Testing lab
- LabE
- Batch / lot
- Translucent yellow top
- Quantity
- 12.3mg
- Endotoxins
- low
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 4.8
- Label dose
- 60mg
How this result compares
This Tirzepatide certificate's tested purity of 99.50% ranks higher than 13% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-04-28 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 79% of our catalogued Tirzepatide certificates.
Ln Peptides has 36 certificates in our corpus, including 14 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:ad790fede47db231…
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