Tirzepatide 99.5% Purity — Peptide PartnersCertificate of Analysis · Independent third-party lab result
LabB tested this Tirzepatide batch (TZ20250730) at 99.46% purity via HPLC. The tested quantity was 42.15mg, a 5.4% deviation from the 40mg label. Endotoxin status is not applicable, and the test is older (6-12 months). Customers can cross-check on the lab's public verification URL.
- older (6-12 months)
- no endotoxin test
- Test date
- 2025-09-09
- Testing lab
- LabB
- Batch / lot
- TZ20250730
- Quantity
- 42.15mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.8
- Label dose
- 40mg
How this result compares
This Tirzepatide certificate's tested purity of 99.46% ranks higher than 12% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-09-09 by LabB via HPLC + mass quantification + endotoxins. This test is newer than 27% of our catalogued Tirzepatide certificates.
Peptide Partners has 77 certificates in our corpus, including 7 for Tirzepatide at a median tested purity of 99.74%.
Test report image
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