GHK-Cu 99.8% Purity — Peptide SciencesCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The GHK-Cu batch (Dec2, 15. 2025) showed 99.76% purity via HPLC and mass quantification. The test is recent (under 3 months) and customers can verify on the lab's public URL. Endotoxin status is not applicable for this test type.
- no endotoxin test
- quantity deviation unknown
- Test date
- 2026-02-22
- Testing lab
- LabE
- Batch / lot
- Dec2, 15. 2025
- Quantity
- 100mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 9.7
- Label dose
- 100mg
How this result compares
This GHK-Cu certificate's tested purity of 99.76% ranks higher than 38% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-22 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 49% of our catalogued GHK-Cu certificates.
Peptide Sciences has 273 certificates in our corpus, including 19 for GHK-Cu at a median tested purity of 99.80%.
Test report image
Finnrick
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
Verify on the upstream labSaved source document
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— immutable copy held by TitrateLab