GHK-Cu 99.4% Purity — Hk PeptidesCertificate of Analysis · Independent third-party lab result
Janoshik tested this GHK-Cu batch at 99.388% purity via HPLC. The tested quantity of 66.11mg significantly exceeded the 50mg label, a deviation of over 32%. Endotoxin status is unknown. The test is recent (under 3 months), and customers can cross-check on the lab's public verification URL.
- quantity deviation (32%)
- no endotoxin test
- Test date
- 2026-02-13
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 66.11mg
- Endotoxins
- —
- Assay method
- HPLC
- Label dose
- 50mg
How this result compares
This GHK-Cu certificate's tested purity of 99.39% ranks higher than 9% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-02-13 by Janoshik via HPLC. This test is newer than 45% of our catalogued GHK-Cu certificates.
Hk Peptides has 487 certificates in our corpus, including 48 for GHK-Cu at a median tested purity of 99.90%.
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": "50mg", "purity_pct": 99.388, "purity_label": "99.388%", "method": "HPLC", "test_date": "2026-02-13", "client": "HK Peptide Ltd", "notes": "", "label_qty": "50mg", "tested_qty": "66.11mg", "quantity_deviation_pct": 32.22, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}