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COA BY Janoshik Ltd. (Independent Analytical Laboratory)

CS-re10-1006

COA Task Number: 242011
Unique Key: GC4M4V1A6WUS
13 OCT 2026
PURITY

99.531%,

99.619%,

99.498%.

PEPTIDE CONTENT

11.92 mg,

11.51 mg,

11.66 mg.


ENDOTOXI1N

2.606 EU/vial


HEAVY METALS

Pass(Not Detected)

IDENTITY

Confirmed


Retatrutide-10mg
PRODUCTS

GLP-3 (Retatrutide) 10mg

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

Sample Identification
PRODUCT GLP-3 (Retatrutide) 10mg BATCH CS-re10-1006
LABORATORY Janoshik Analytical TEST REPORT NOS. #242011 · #242012 · #242013
CLIENT Cocer Peptides MANUFACTURER cocerpeptides.com
VERIFICATION KEYS GC4M4V1A6WUS · VQ4HAMNNDX2Y · DHZ8KURDUIY1 DOCUMENT TYPE Third-Party Laboratory Test Reports
REPORTING PERIOD 29 Aug – 13 Oct 2026  
02

Purity & Quality Analysis

PURITY 99.531%, 99.619%, 99.498%
HPLC Purity / Test Report #242011
PEPTIDE CONTENT 11.92 mg, 11.51 mg, 11.66 mg / vial
GLP-3 (Retatrutide) Content / Test Report #242011
ENDOTOXIN 2.606 EU / vial
Endotoxin Test / Test Report #242012
GLP-3-10mg
HEAVY METALS
Arsenic (As) —
Not Detected
Cadmium (Cd) —
Not Detected
Lead (Pb) —
Not Detected
Mercury (Hg) —
Not Detected

Heavy Metals Analysis Test Report #242013

Janoshik COA link
https://verify.janoshik.com/tests/242011-Reta_10mg_Cocer_Peptides_GC4M4V1A6WUS
https://verify.janoshik.com/tests/242012-Reta_10mg_Cocer_Peptides_VQ4HAMNNDX2Y
https://verify.janoshik.com/tests/242013-Reta_10mg_Cocer_Peptides_DHZ8KURDUIY1
03

Testing Methods & COA

CERTIFICATE OF ANALYSIS
re10 c
re10 e
re10 h
PRODUCT IDENTIFICATION

GLP-3 (Retatrutide)10mg

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 11.92 mg, 11.51 mg, 11.66 mg/vial peptide content, 99.531%, 99.619%, 99.498% purity, no detected As, Cd, Pb or Hg, and 2.606 EU/vial endotoxin.
PURITY RESULT

99.531%,

99.619%,

99.498%

PEPTIDE CONTENT

11.92 mg,

11.51 mg,

11.66 mg

/ vial

THIRD-PARTY VERIFICATION

Independent third-party testing was completed by Janoshik Analytical for Cocer Peptides batch CS-re10-1006. The three reports cover peptide content and purity, heavy metals, and endotoxin testing.

TEST REPORT NOS.

REPORTING PERIOD

LAB

BATCH

#242011 · #242012 · #242013

28 Aug – 05 Oct 2026

Janoshik Analytical

CS-re10-1006

04

Test History for GLP-3 (Retatrutide)10mg

Independent third-party testing history for GLP-3 (Retatrutide)10mg.
99.531%, 99.619%, 99.498% Purity

GLP-3 (Retatrutide)10mg

Janoshik Analytical · 06 Oct 2026

99.025% Purity

GLP-3 (Retatrutide)10mg

Janoshik Analytical · 29 Aug 2026

99.443% Purity

GLP-3 (Retatrutide)10mg

Janoshik Analytical · 31 Jul 2026

99.412% Purity

GLP-3 (Retatrutide)10mg

Janoshik Analytical · 25 Jun 2026

99.290% Purity

GLP-3 (Retatrutide)10mg

Janoshik Analytical · 26 May 2026

· GLP-3 (Retatrutide)10mg · Batch CS-re10-1006 · 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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