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COA — Tirzepatide 10 mg

Results as reported for lot RL-GLP-0126, issued to Reset Peptides. Verify it at /verify with search code Rebi2605210472.

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Certificate of Analysis

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Client:Reset Peptides
Accession #:2605210472
Search Code:Rebi2605210472
Received:05/21/2026
Reported:05/23/2026
Lot:RL-GLP-0126

Sample Summary

Product:Tirzepatide 10mg
Purity:99.92%
Identity:Confirmed
Net Content:12.52 mg
Molecular Formula:C225H348N48O68
Molecular Weight:4813.53 g/mol
Appearance:White Lyophilized Powder

Analytical Results

TestResult
Identity (LC-MS)GLP TZ
Purity (HPLC-UV)99.92%
Net Content12.52 mg

Method: HPLC with UV detection coupled with mass spectrometry (LC-MS).

Chromatogram

mAU1 PDA Multi 102505007500.02.55.07.510.012.515.0minGLP TZ

Mass Confirmation

3504004505005506006507007508008509009501000105011001150120012501300135014001450150015501600165017001750m/zGLP TZ [M+3H+K]4+1213.000GLP TZ [M+3H]3+1610.7001611.4001612.2001604.6001604.400
Signature of Alex Johnson

Alex Johnson

Principal Chemist

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Rebi2605210472

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Cambridge, United Kingdom