Tirzepatide 99.4% Purity — BfflinkCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (11/20/2025) at 99.39% purity via HPLC and mass quantification. Quantity was 3.5% below the labeled 20mg, and no endotoxin test results were provided. The test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (-3.5%)
- Test date
- 2026-02-26
- Testing lab
- LabE
- Batch / lot
- 11/20/2025
- Quantity
- 19.3mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.8
- Label dose
- 20mg
How this result compares
This Tirzepatide certificate's tested purity of 99.39% ranks higher than 10% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-26 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 67% of our catalogued Tirzepatide certificates.
Bfflink has 40 certificates in our corpus, including 18 for Tirzepatide at a median tested purity of 99.86%.
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:d463df5b74c1d752…
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