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

GHK-Cu 99.9% Purity — Zzq PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.90%
Dose vs label +2.4% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this GHK-Cu at 99.9% purity using HPLC and mass quantification. The tested quantity was 51.2mg, a 2.4% deviation from the 50mg label. The test is older (6-12 months), and endotoxin status is unknown. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • older (6-12 months)
  • no batch ID
Test date
2025-10-23
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
51.2mg
label 50mg · tested 51.2mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
8.0
Label dose
50mg
Context

How this result compares

This GHK-Cu certificate's tested purity of 99.90% ranks higher than 73% of the 2433 GHK-Cu certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-10-23 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 16% of our catalogued GHK-Cu certificates.

Zzq Peptides has 57 certificates in our corpus, including 7 for GHK-Cu at a median tested purity of 99.90%.

Manufacturer
Zzq Peptides
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Finnrick

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 + mass quantification + endotoxins
Test type
finnrick_composite
Dose
50mg
Container
No Label / Copper Crimp / Clear Cap
Catalogued
2026-04-17
Artifact hash
62544b1a5fc389ca…
Saved source

Saved source document

sha256:506d53b446f585c4… — immutable copy held by TitrateLab

Related

Other GHK-Cu certificates

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