Tirzepatide 99.4% Purity — Peptide SciencesCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (01/14/2026) at 99.4% purity via HPLC. The tested quantity was 33.7mg, showing a 12.3% deviation from the 30mg label. Endotoxin status is unknown. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (12.3%)
- Test date
- 2026-03-03
- Testing lab
- LabE
- Batch / lot
- 01/14/2026
- Quantity
- 33.7mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.8
- Label dose
- 30mg
How this result compares
This Tirzepatide certificate's tested purity of 99.40% ranks higher than 10% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-03-03 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 69% of our catalogued Tirzepatide certificates.
Peptide Sciences has 273 certificates in our corpus, including 56 for Tirzepatide at a median tested purity of 99.83%.
Test report image
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