GHK-Cu 99.9% Purity — OupeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. It reports 99.9% purity for GHK-Cu via HPLC and mass quantification. The quantity tested was 50.3mg, matching the 50mg label within 1%. The test is recent (under 3 months), but the endotoxin status is unknown. Customers can verify this report on LabE's public URL.
- no endotoxin test
- no batch ID
- Test date
- 2026-02-18
- Testing lab
- LabE
- Batch / lot
- (no batch ID)
- Quantity
- 50.3mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.0
- Label dose
- 50mg
How this result compares
This GHK-Cu certificate's tested purity of 99.90% ranks higher than 73% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-18 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 47% of our catalogued GHK-Cu certificates.
Oupeptide has 188 certificates in our corpus, including 14 for GHK-Cu at a median tested purity of 99.90%.
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
sha256:c71b48f6bf7ee153…
— immutable copy held by TitrateLab