Retatrutide 5 mg Certificate of Analysis Batch APL-RETA5-2607-02

Retatrutide 5 mg from batch APL-RETA5-2607-02 was analysed on 20 July 2026 and measured 98.77% purity by HPLC / Mass Spectrometry, passing all 5 release tests.

Purity: 98.77%
Result: All 5 tests passed
Tested: 20 July 2026
Method: HPLC / Mass Spectrometry
Net content: 5.04 mg

Independent verification

Retatrutide 5 mg is independently verified by Ozcanium Analytics, an independent Australian laboratory, at 99.45% purity by UPLC-MS/MS, analysed 27 August 2026 on lot APL-RETA5-2608-01, net content 5.14 mg, verification code OZ-HPLCMS-JKJ1; bacterial endotoxin below 15.0 EU per vial by kinetic chromogenic LAL, analysed 28 August 2026, verification code OZ-ENDOTX-TPA2.

Issued by Ozcanium Analytics. Covers every vial size of this compound; each report opens as the laboratory issued it.

Third-Party Purity COA (PDF, opens in a new tab)99.45% purity by UPLC-MS/MS · net content 5.14 mg Analysed 27 August 2026 Verification code OZ-HPLCMS-JKJ1
Third-Party Endotoxin Test (PDF, opens in a new tab)Bacterial endotoxin below 15.0 EU per vial by kinetic chromogenic LAL Analysed 28 August 2026 Verification code OZ-ENDOTX-TPA2

Enter a code in the Ozcanium Analytics verification portal (opens in a new tab) to confirm the report against their own records.

The certificate as issued is reproduced below — pinch to zoom on a phone, or use Print / Save as PDF for a full-size copy.

Australian Peptide Labs

In-House Analytical Laboratory

Australian Peptide Labs Pty Ltd

ABN 55 696 074 361

australianpeptidelabs.com.au

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Certificate of Analysis Retatrutide 5 mg Batch APL-RETA5-2607-02

Compound: Retatrutide
Lot Number: APL-RETA5-2607-02
Analysis Date: 20 July 2026
Method: HPLC / Mass Spectrometry
Purity: 98.77%
Net Content: 5.04 mg

CAS Number: 2381089-83-2
Formula: C221H342N46O68
Molecular Weight: 4731.4 g/mol
Form: Lyophilised Powder
Manufactured: July 2026
Issued: 21 July 2026
Document ID: APL-COA-RETA5-2607-02
Verification Code: Batch traceable

Sequence

39 amino acid peptide on a GIP backbone with non-coded residues at positions 2, 13 and 20; C20 fatty diacid conjugated via a gamma-Glu-AEEA linker for extended half-life

High Performance Liquid Chromatography (HPLC-UV) Chromatogram

Main peak integrated at 98.77% of total area; no single impurity peak exceeds 0.94%.

Peak List

Peaks detected: 5

#	Time (min)	Area	% Area	Identification
1	3.958	12,100	0.170	—
2	4.236	68,688	0.940	—
3	4.439	7,202,321	98.770	Retatrutide
4	4.760	7,491	0.100	—
5	7.884	1,198	0.020	—

Analytical Results

Test	Specification	Result	Status
Appearance	White/Off-White Lyophilised Powder	Conforms	PASS
Identity (MS)	Confirmed	Confirmed	PASS
Purity (HPLC)	≥98.0%	98.77%	PASS
Peptide Content	95–105%	98.5%	PASS
Endotoxins	<0.5 EU/mg	<0.10 EU/mg	PASS

Australian Peptide Labs

In-House Analytical Laboratory

Australian Peptide Labs Pty Ltd

ABN 55 696 074 361

australianpeptidelabs.com.au

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Retatrutide 5 mg

CAS Number: 2381089-83-2

Liquid Chromatography Mass Spectrometry (LC-MS) Identity Analysis

Identity confirmation with SIM

Analysis date: 20 July 2026

Monitored (m/z)	Detected (m/z)	Relative Intensity
790	789.59	1.08
947	947.32	2.02
1184	1183.87	1.29

Detection assignment: Retatrutide

Collected Mass Spectrum

Intensity ×10⁷

Verification Protocol

Identity confirmed by mass spectrometry against the expected ion channels.
Purity measured by HPLC as peak area against all integrated impurity peaks.
Batch traceability: this document reports the lot number printed on the vial.
Analysis performed in-house by Australian Peptide Labs.

Supplied for laboratory research use only. Not a therapeutic good; not for human or veterinary use.

View Retatrutide in the catalogue How to read this certificate