All GHK-Cu Certificate of Analysis results(2,610 COAs)
TitrateLab · Certificate of Analysis

GHK-Cu 99.9% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.949%
Dose vs label +8.8% Over the labeled dose
Evidence Artifact captured
Test date
2024-09-23
Testing lab
Janoshik
Batch / lot
Quantity
81.56 mg
label 75 mg · tested 81.56 mg
Endotoxins
Assay method
Label dose
75mg
Context

How this result compares

This GHK-Cu certificate's tested purity of 99.95% ranks higher than 88% of the 2581 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).

Tested 2024-09-23 by Janoshik. This test is newer than 1% of our catalogued GHK-Cu certificates.

Qingdao Sigma Chemical has 515 certificates in our corpus, including 14 for GHK-Cu at a median tested purity of 99.85%.

Manufacturer
Qingdao Sigma Chemical
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Certificate

Test report image

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Certificate scan as published.
Source

Janoshik (public)

Artifact captured

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Dose
75mg
Catalogued
2026-06-01
OCR text Raw extracted text

Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.

{
  "peptide": "GHK-Cu",
  "dose": "75mg",
  "purity_pct": 99.949,
  "purity_label": "99.949%",
  "method": "",
  "test_date": "2024-09-23",
  "client": "Qingdao Sigma Chemical Co., ltd",
  "notes": "",
  "label_qty": "75 mg",
  "tested_qty": "81.56 mg",
  "quantity_deviation_pct": 8.75,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
Related

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