Tirzepatide 99.8% Purity — PurepeptidesCertificate of Analysis · Independent third-party lab result
LabE tested this Tirzepatide at 99.79% purity using HPLC, mass quantification, and endotoxin testing. The tested quantity was 28.1mg against a 30mg label, representing a 6.3% deviation. The test is older (6-12 months), and the endotoxin status is unknown. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- stale (6-12 months)
- quantity deviation >5%
- Test date
- 2025-09-04
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 28.1mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.3
- Label dose
- 30mg
How this result compares
This Tirzepatide certificate's tested purity of 99.79% ranks higher than 39% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-09-04 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 27% of our catalogued Tirzepatide certificates.
Purepeptides has 26 certificates in our corpus, including 6 for Tirzepatide at a median tested purity of 99.80%.
Test report image
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