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Composite COA score

78/ 100Grade C

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Avg purity

100

Safety panel

Lab corroboration

Forgery risk

GHK-Cu

Lot CRGHK-100-2604-1 · tested by ILS Labs · 2026-04-22 · sold by Crush Research

View all GHK-CuCOAs & purity data →

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99.91%

Purity

104.91 mg

Net peptide

—

Mass spec

✓

Endotoxin

Tests reported

HPLC purity

99.910%

Mass spec / LC-MS

—

FTIR identity

—

Endotoxin (LAL)

NMT 0.05 EU/mL

Heavy metals breakdown

Arsenic

PassNot Detected (NMT 1.5 ppm)

Cadmium

PassNot Detected (NMT 0.5 ppm)

Chromium

PassNot Detected (NMT 10 ppm)

Mercury

PassNot Detected (NMT 1.5 ppm)

Lead

PassNot Detected (NMT 1 ppm)

Bare numerics show the raw value without a Pass/Fail status because the USP <232> Class limit depends on dose form. Comparator entries (<, ≤) resolve to Pass since they signal below-limit without needing a threshold table.

Tested by

ILS Labs✓ Verified partner

336 COAs indexed · std dev 0.41%

100

Grade A

Source

We discovered this COA on the vendor's public site.

First indexed 2026-05-16 · extracted 2026-07-15

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Label history

No archived listing available for this COA's test date.

Observed signals

infoLab "ILS Labs" reports purity within 0.41% std dev across 307 COAs

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