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COA BY Janoshik Ltd. (Independent Analytical Laboratory)

CS-gu100-1006

COA Task Number: 242027
Unique Key: DG3FSB6J7WRH
14 OCT 2026
PURITY

99.597%,

99.570%, 99.503%.


PEPTIDE CONTENT

103.61 mg, 102.84mg, 101.42 mg


ENDOTOXI1N

1.374 EU/vial


HEAVY METALS

Pass(Not Detected)

IDENTITY

Confirmed


ghk cu 100
PRODUCTS

GHK-Cu 100mg

View product specifications, research information, and ordering details.
01

Sample Identification
PRODUCT GHK-Cu 100mg BATCH CS-gu100-1006
LABORATORY Janoshik Analytical TEST REPORT NOS. #242027 · #242028 · #242029
CLIENT Cocer Peptides MANUFACTURER cocerpeptides.com
VERIFICATION KEYS DG3FSB6J7WRH · JK7VCU5NW6XW · XBNHL8N6PWGM DOCUMENT TYPE Third-Party Laboratory Test Reports
REPORTING PERIOD 9 Sep – 14 Oct 2026  
02

Purity & Quality Analysis

PURITY 99.597%, 99.570%, 99.503%.
HPLC Purity / Test Report #242027
PEPTIDE CONTENT 103.61 mg, 102.84mg, 101.42 mg / vial
GHK-Cu Content / Test Report #242027
ENDOTOXIN 1.374 EU / vial
Endotoxin Test / Test Report #242028
ghk cu 100
HEAVY METALS
Arsenic (As) —
Not Detected
Cadmium (Cd) —
Not Detected
Lead (Pb) —
Not Detected
Mercury (Hg) —
Not Detected

Heavy Metals Analysis Test Report #242029

Janoshik COA link
03

Testing Methods & COA

CERTIFICATE OF ANALYSIS
ghk cu 100 c
ghk cu 100 n
ghk cu 100 h
PRODUCT IDENTIFICATION

GHK-Cu 100mg

ANALYSIS SUMMARY
This MOTS-c 10mg batch was independently tested by Janoshik Analytical across three separate test reports. Testing covered peptide content and purity, heavy metals including arsenic, cadmium, lead and mercury, and endotoxin.


The reported results were 1103.61 mg, 102.84mg, 101.42 mg/vial peptide content, 99.597%, 99.570%, 99.503% purity, no detected As, Cd, Pb or Hg, and 1.374 EU/vial endotoxin.
PURITY RESULT

99.597%, 99.570%, 99.503%.

PEPTIDE CONTENT

103.61 mg, 102.84mg, 101.42 mg / vial

THIRD-PARTY VERIFICATION

Independent third-party testing was completed by Janoshik Analytical for Cocer Peptides batch CS-gu100-1006. The three reports cover peptide content and purity, heavy metals, and endotoxin testing.

TEST REPORT NOS.

REPORTING PERIOD

LAB

BATCH

#242027 · #242028 · #242029

9 Sep – 14 Oct 2026

Janoshik Analytical

CS-gu100-1006

04

Test History for GHK-Cu 100mg

Independent third-party testing history for GHK-Cu 100mg.
99.782% , 99.769% , 99.787%.

Purity

GHK-Cu 100mg

Janoshik Analytical · 09 Sep 2026

99.653% Purity

GHK-Cu 100mg

Janoshik Analytical · 21 Apr 2026

99.912% Purity

GHK-Cu 100mg

Janoshik Analytical · 15 Jun 2026

99.450% Purity

GHK-Cu 100mg

Janoshik Analytical · 03 Apr 2026

99.757% Purity

GHK-Cu 100mg

Janoshik Analytical · 25 Dec 2025

· GHK-Cu 100mg · Batch CS-gu100-1006 · Janoshik Analytical
This laboratory testing information is provided for research reference only. Results apply only to the tested sample(s) associated with the reports shown on this page and may not represent other batches. Products are intended for laboratory research and analytical use only, not for human or veterinary use. Original laboratory reports and verification records should be regarded as the authoritative source.
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