byNEWTECH
R3T4 10 mg vial, batch 2029/1, photographed by the laboratory
The sample as received and photographed by Janoshik Analytical. Photo PDF

COA, batch 2029/1

R3T4 10 mg

Tested by Janoshik Analytical. Sample received 27 Nov 2025, analysed 28 Nov to 16 Dec 2025. Product page

As printed in the Batch field of all five reports.

R3T4 10 mg

BATCH 2029/1

99.234%Purity, HPLC
Label10 mg
Measured10.53 mg
+5.3%
Contaminants
See report
Endotoxin
8.088 EU per vial
Heavy metals
Not detected
Sterility
Pass
Tested 28 Nov to 16 Dec 2025Open COA

Reports in this COA

Values as printed by the laboratory. Janoshik titles each document Test Report; many buyers call it a COA. Check at Janoshik opens the lab's own copy.

Content and purity

Method: HPLC
Tests requested: “Assessment of a peptide vial or vials.”

Retatrutide10.53 mg
Purity99.234%

Task #91118Received 27 Nov 2025Analysed 1 Dec 2025Key JZ8SY9A32FK2

Contaminant screening

Method: LC-MS and GC-MS
Tests requested: “LCMS screening.”

Lab comment: LCMS analysis identified the presence of mannitol, retatrutide, and degradation product. LCMS spectra are attached.

Task #91119Received 27 Nov 2025Analysed 28 Nov 2025Key B82HPIWA7Y6Z

Bacterial endotoxin

Method: Endotoxin assay
Tests requested: “Endotoxin test.”

Endotoxin8.088 EU per vial

Task #91121Received 27 Nov 2025Analysed 2 Dec 2025Key WVIBLF2TUZC1

Heavy metals

Method: Arsenic, cadmium, lead and mercury
Tests requested: “Heavy metal analysis.”

Asnot detected
Cdnot detected
Pbnot detected
Hgnot detected

Task #91120Received 27 Nov 2025Analysed 1 Dec 2025Key J95MKXZ5DZ6T

Sterility

Method: TAMC and TYMC (bacteria, and yeasts and moulds)
Tests requested: “TAMC+TYMC.”

TAMCPass
TYMCPass

Task #91122Received 27 Nov 2025Analysed 16 Dec 2025Key 8QKFWXJ4KE5H