Tirzepatide 99.7% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab (LabG). LabG reported 99.7% purity via HPLC for this Tirzepatide batch (July 15, 2025). The tested quantity was 11.3% over the labeled 40mg, and endotoxin status is unknown. The test is older (6-12 months).
- no endotoxin test
- stale (8+ months)
- Test date
- 2025-10-14
- Testing lab
- LabG
- Batch / lot
- July 15, 2025
- Quantity
- 44.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 7.7
- Label dose
- 40mg
How this result compares
This Tirzepatide certificate's tested purity of 99.70% ranks higher than 26% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-10-14 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 33% 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
Finnrick
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