Tirzepatide 98.5% Purity — Reta PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (Jan7th) at 98.48% purity via HPLC and mass quantification. The quantity matched the label at 20mg, and the test is recent (under 3 months). However, endotoxin status is not applicable, which may be a concern for injectable use. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- Test date
- 2026-03-04
- Testing lab
- LabE
- Batch / lot
- Jan7th
- Quantity
- 20mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.5
- Label dose
- 20mg
How this result compares
This Tirzepatide certificate's tested purity of 98.48% ranks higher than 3% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-03-04 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 69% of our catalogued Tirzepatide certificates.
Reta Peptide has 249 certificates in our corpus, including 38 for Tirzepatide at a median tested purity of 99.87%.
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
sha256:808087f4753f4694…
— immutable copy held by TitrateLab