Tirzepatide 99.5% Purity — OupeptideCertificate of Analysis · Independent third-party lab result
LabE tested this tirzepatide batch (July2, 2025) at 99.54% purity via HPLC and mass quantification. Quantity was slightly over label at 30.8mg (2.7% deviation). Endotoxin status is not available. The test is older (6-12 months). Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- older (6-12 months)
- Test date
- 2025-10-23
- Testing lab
- LabE
- Batch / lot
- [NAME_REDACTED], 2025
- Quantity
- 30.8mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.1
- Label dose
- 30mg
How this result compares
This Tirzepatide certificate's tested purity of 99.54% ranks higher than 15% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-10-23 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 35% 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
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