Tirzepatide 99.5% Purity — OupeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (Oct2025) at 99.52% purity via HPLC, with mass quantification showing 5.04mg for a 5mg label (0.8% deviation). The test is recent (3-6 months old). 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
- 2026-01-19
- Testing lab
- LabE
- Batch / lot
- Oct2025
- Quantity
- 5.04mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.0
- Label dose
- 5mg
How this result compares
This Tirzepatide certificate's tested purity of 99.52% ranks higher than 14% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-01-19 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 55% of our catalogued Tirzepatide certificates.
Oupeptide has 188 certificates in our corpus, including 65 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.
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