GHK-Cu 99.7% Purity — Kerui Peptide HongKong Co., LtdCertificate of Analysis · Independent third-party lab result
Janoshik tested this GHK-Cu batch at 99.701% purity via HPLC. The tested quantity was 83.47mg against a 100mg label, representing a significant -16.53% deviation. Endotoxin status is unknown. The test is recent (under 3 months old), and customers can cross-check on Janoshik's public verification URL.
- quantity deviation (-16.53%)
- no endotoxin test
- Test date
- 2026-04-21
- Testing lab
- Janoshik
- Batch / lot
- —
- Quantity
- 83.47mg
- Endotoxins
- —
- Assay method
- HPLC
- Label dose
- 100mg
How this result compares
This GHK-Cu certificate's tested purity of 99.70% ranks higher than 31% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).
Tested 2026-04-21 by Janoshik via HPLC. This test is newer than 66% of our catalogued GHK-Cu certificates.
Kerui Peptide HongKong Co., Ltd has 29 certificates in our corpus, including 2 for GHK-Cu at a median tested purity of 99.67%.
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": 99.701, "purity_label": "99.701%", "method": "HPLC", "test_date": "2026-04-21", "client": "Standard Peptides", "notes": "", "label_qty": "100mg", "tested_qty": "83.47mg", "quantity_deviation_pct": -16.53, "is_blend": false, "components_json": "", "ocr_confidence": 0.98}