Tirzepatide 99.5% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabG. It reports 99.5% purity via HPLC for this Tirzepatide batch. The tested quantity of 71.1mg significantly exceeded the 60mg label, a deviation of +18.5%. Endotoxin status is unknown. The test is recent (3-6 months old).
- no endotoxin test
- quantity deviation (+18.5%)
- Test date
- 2025-12-13
- Testing lab
- LabG
- Batch / lot
- Oct 2, 2025
- Quantity
- 71.1mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 6.2
- Label dose
- 60mg
How this result compares
This Tirzepatide certificate's tested purity of 99.50% ranks higher than 13% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-12-13 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 47% of our catalogued Tirzepatide certificates.
Qing Li Peptide has 348 certificates in our corpus, including 49 for Tirzepatide at a median tested purity of 99.80%.
Test report image
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