GHK-Cu 99.4% Purity — www.hkuppeptide.comCertificate of Analysis · Independent third-party lab result
Janoshik tested this GHK-Cu batch at 99.435% purity via HPLC. The tested quantity of 77.27mg was significantly below the 100mg label, a deviation of -22.73%. Endotoxin status was not reported. The test is recent (under 3 months), and customers can cross-check on the lab's public verification URL.
- quantity deviation (-22.73%)
- no endotoxin test
- Test date
- 2026-04-14
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 77.27mg
- Endotoxins
- —
- Assay method
- HPLC
- Label dose
- 100mg
How this result compares
This GHK-Cu certificate's tested purity of 99.44% ranks higher than 12% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-04-14 by Janoshik via HPLC. This test is newer than 64% of our catalogued GHK-Cu certificates.
www.hkuppeptide.com has 3 certificates in our corpus, including 1 for GHK-Cu at a median tested purity of 99.44%.
Test report image
Janoshik (public)
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 labOCR text Raw extracted text
Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.
{"peptide": "GHK-Cu", "dose": "100mg", "purity_pct": 99.435, "purity_label": "99.435%", "method": "HPLC", "test_date": "2026-04-14", "client": "[EMAIL_REDACTED]", "notes": "", "label_qty": "100mg", "tested_qty": "77.27mg", "quantity_deviation_pct": -22.73, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}