GHK-Cu 99.7% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result
LabG tested this GHK-Cu batch (Jan 6, 2026) at 99.7% purity via HPLC and mass quantification. Quantity was 3% below the labeled 50mg, and the endotoxin status is unknown. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL.
- no endotoxin test
- quantity deviation (3% low)
- Test date
- 2026-03-04
- Testing lab
- LabG
- Batch / lot
- Jan 6, 2026
- Quantity
- 48.5mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.5
- Label dose
- 50mg
How this result compares
This GHK-Cu certificate's tested purity of 99.70% ranks higher than 29% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-03-04 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 53% 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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