§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · FEB-2026● VERIFIED SUBMISSION · PUBLIC RECORD

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◆ Batch ID · 2026-01-29 (Vial 2)✓ Verified · Pass

GHK-Cu × Pure Peptides - Lab Test, February 2026

Tested Tuesday, February 10, 2026 · submitted by @Frank 👑 Legend

HPLC Purity

99.73%

✓ Excellent

PeptideGHK-Cu

Brandpurepeptides.bio

LabMZ Biolabs

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Test results

6 data points

Purity

99.73%

Endotoxins

Not tested

Stated qty

100 mg

Tested qty

137.56 mg

Qty match

138% of labeled · +38%

Batch ID

2026-01-29 (Vial 2)

Tested by

MZ BiolabsView profile →

◆ Quantity verification

100 mg→137.56 mg+38%

About this test

This independent HPLC-UV-MS lab test confirms GHK-Cu 100mg from Pure Peptides at 99.73% purity. The analysis was conducted by MZ Biolabs on February 10, 2026, with a measured quantity of 137.56 mg/vial.

GHK-Cu (Copper Peptide) is a bioactive copper complex researched for its role in tissue repair, collagen synthesis, and skin regeneration. A purity level of 99.73% indicates high-grade synthesis with minimal contamination. The report notes that slight GHK-Cu complex dissociation during HPLC is normal.

The full certificate of analysis is available for download on this page.