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Composite COA score

70/ 100Grade C

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Avg purity

Safety panel

Lab corroboration

Forgery risk

100

GHK-CU

Lot 4 · tested by Janoshik Analytical · 2026-04-27

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99.60%

Purity

124.36 mg

Net peptide

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Mass spec

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Endotoxin

Tests reported

HPLC purity

99.598%

Mass spec / LC-MS

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FTIR identity

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Endotoxin (LAL)

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Sterility (USP <71>)

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Heavy metals

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Tested by

Janoshik Analytical

747 COAs indexed · std dev 2.30% · CZ

Same lot number on other vendors

The lot number 4 also appears on 6 COAs from other vendors. Same-lot-across-multiple-vendors is a cross-vendor signal we flag on the Forgery Map.

Vendor	Lab	Peptide	Purity	Provenance
Qihang Peptide	Janoshik Analytical	Tirzepatide	99.64%	Confirmed by Janoshik Analytical
HongDa Peptide	Janoshik Analytical	MOTS-C	99.66%	Confirmed by Janoshik Analytical

Source

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

First indexed 2026-04-29 · extracted 2026-05-24

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Label history

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

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