Tirzepatide 100.0% Purity — Zhuoyan LabCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The tirzepatide batch 'May 2025' showed 99.95% purity via HPLC. The tested quantity was 33.4mg against a 30mg label, an 11.3% deviation. Endotoxin status is unknown, and the test is older (6-12 months).
- no endotoxin test
- older (6-12 months)
- quantity deviation (11.3%)
- Test date
- 2025-09-18
- Testing lab
- LabE
- Batch / lot
- May 2025
- Quantity
- 33.4mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.2
- Label dose
- 30mg
How this result compares
This Tirzepatide certificate's tested purity of 99.95% ranks higher than 92% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-09-18 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 29% of our catalogued Tirzepatide certificates.
Zhuoyan Lab has 39 certificates in our corpus, including 20 for Tirzepatide at a median tested purity of 99.85%.
Test report image
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