GHK-Cu 99.8% Purity — Peptide SciencesCertificate of Analysis · Independent third-party lab result
LabG tested this GHK-Cu at 99.8% purity using HPLC and mass quantification. The tested quantity of 43.3mg was significantly below the 50mg label, a deviation of -13.4%. 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 (-13.4%)
- no batch ID
- Test date
- 2026-02-10
- Testing lab
- LabG
- Batch / lot
- (no batch ID)
- Quantity
- 43.3mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 5.6
- Label dose
- 50mg
How this result compares
This GHK-Cu certificate's tested purity of 99.80% ranks higher than 45% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-10 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 42% 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
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