All GHK-Cu Certificate of Analysis results— 2462 COAs
TitrateLab · Certificate of Analysis

GHK-Cu 99.3% Purity — HomopeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.3% High purity · 99.338%
Dose vs label -4.3% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this GHK-Cu batch at 99.338% purity via HPLC. The tested quantity of 95.69mg showed a -4.31% deviation from the 100mg label. Endotoxin status is unknown, but the test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • quantity deviation (-4.31%)
Test date
2026-01-30
Testing lab
Janoshik
Batch / lot
Quantity
95.69mg
label 100mg · tested 95.69mg
Endotoxins
Assay method
HPLC
Label dose
100mg
Context

How this result compares

This GHK-Cu certificate's tested purity of 99.34% ranks higher than 8% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-01-30 by Janoshik via HPLC. This test is newer than 38% of our catalogued GHK-Cu certificates.

Homopeptide has 103 certificates in our corpus, including 2 for GHK-Cu at a median tested purity of 99.34%.

Manufacturer
Homopeptide
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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 shown here.

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Method
HPLC
Dose
100mg
Catalogued
2026-04-22
Artifact hash
5e540e70c0adcdf2…
OCR 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": 99.338, "purity_label": "99.338%", "method": "HPLC", "test_date": "2026-01-30", "client": "Homopeptide.com", "notes": "", "label_qty": "100mg", "tested_qty": "95.69mg", "quantity_deviation_pct": -4.31, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}
Related

Other GHK-Cu certificates

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This certificate is part of TitrateLab's community-trust corpus. See more from Homopeptide or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →