AI summary Trust: medium Third-party lab

Janoshik tested this GHK-Cu at 99.715% purity via HPLC. The tested quantity of 56.09mg showed a significant 12.18% deviation from the 50mg label. Endotoxin status is unknown. The test is recent (3-6 months old), and customers can verify it on Janoshik's public URL.

Watch out for
  • no endotoxin test
  • quantity deviation (12%+)
Test date
2025-12-31
Purity
99.72% 99.715%
Batch / lot
—
Lab
Janoshik
Quantity
label 50mg tested 56.09mg
Qty vs label
+12.2%
Endotoxins
—
Test score
—
Manufacturer
Walker Chemicals (WKC)
View vendor dossier
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

✓ Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact below.

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Method
HPLC
Dose
50mg
Catalogued
2026-04-22
Artifact hash
861c68e054fa1de4…
OCR 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": 99.715, "purity_label": "99.715%", "method": "HPLC", "test_date": "2025-12-31", "client": "Walker Chemicals (WKC)", "notes": "", "label_qty": "50mg", "tested_qty": "56.09mg", "quantity_deviation_pct": 12.18, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}
This COA is part of TitrateLab's community-trust corpus. See more from Walker Chemicals (WKC) or learn how trust scores are computed on the methodology page.