Tirzepatide 99.9% Purity — Reta PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (October 8, 2025) at 99.91% purity via HPLC, with mass quantification. Quantity was 29.5mg against a 30mg label (-1.7% deviation), and endotoxins were not detected. The test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.
- Test date
- 2025-11-25
- Testing lab
- LabE
- Batch / lot
- October 8, 2025
- Quantity
- 29.5mg
- Endotoxins
- not detected
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 10.0
- Label dose
- 30mg
How this result compares
This Tirzepatide certificate's tested purity of 99.91% ranks higher than 80% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-11-25 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 42% 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
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