GHK-Cu 99.9% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabE tested this GHK-Cu batch (Jul 15 2025) at 99.93% purity via HPLC and mass quantification. Quantity was 3.8% below the labeled 50mg, and the test is older (6-12 months). Endotoxin status is unknown. Customers can cross-check on the lab's public verification URL.
- no endotoxin test
- older (6-12 months)
- Test date
- 2025-10-21
- Testing lab
- LabE
- Batch / lot
- Jul 15 2025
- Quantity
- 48.1mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 10.0
- Label dose
- 50mg
How this result compares
This GHK-Cu certificate's tested purity of 99.93% ranks higher than 84% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2025-10-21 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 15% of our catalogued GHK-Cu certificates.
Qing Li Peptide has 348 certificates in our corpus, including 35 for GHK-Cu at a median tested purity of 99.90%.
Test report image
Finnrick
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