Retatrutide 5 mg Certificate of Analysis Batch APL-RETA5-2606-01

Retatrutide 5 mg from batch APL-RETA5-2606-01 was analysed on 20 June 2026 and measured 99.71% purity by HPLC / Mass Spectrometry, passing all 5 release tests.

Purity: 99.71%
Result: All 5 tests passed
Tested: 20 June 2026
Method: HPLC / Mass Spectrometry
Net content: 5.05 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-RETA5-2606-01

Compound: Retatrutide
Lot Number: APL-RETA5-2606-01
Analysis Date: 20 June 2026
Method: HPLC / Mass Spectrometry
Purity: 99.71%
Net Content: 5.05 mg

CAS Number: 2381089-83-2
Formula: C221H342N46O68
Molecular Weight: 4731.4 g/mol
Form: Lyophilised Powder
Manufactured: June 2026
Issued: 21 June 2026
Document ID: APL-COA-RETA5-2606-01
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

Trace reconstructed from the integrated peak list; relative response is scaled to the largest peak.

Main peak integrated at 99.71% of total area; no single impurity peak exceeds 0.22%.

Peak List

Peaks detected: 5

#	Time (min)	Area	% Area	Identification
1	3.900	2,546	0.040	—
2	4.190	14,815	0.220	—
3	4.393	6,775,997	99.710	Retatrutide
4	4.700	2,192	0.030	—
5	7.844	244	0.000	—

Analytical Results

Test	Specification	Result	Status
Appearance	White/Off-White Lyophilised Powder	Conforms	PASS
Identity (MS)	Confirmed	Confirmed	PASS
Purity (HPLC)	≥98.0%	99.71%	PASS
Peptide Content	95–105%	98.8%	PASS
Endotoxins	<0.5 EU/mg	<0.15 EU/mg	PASS

Australian Peptide Labs

In-House Analytical Laboratory

Australian Peptide Labs Pty Ltd

ABN 55 696 074 361

australianpeptidelabs.com.au

Page 2 of 2

Retatrutide 5 mg

CAS Number: 2381089-83-2

Liquid Chromatography Mass Spectrometry (LC-MS) Identity Analysis

Identity confirmation with SIM

Analysis date: 20 June 2026

Monitored (m/z)	Detected (m/z)	Relative Intensity
790	789.58	1.53
947	947.3	1.9
1184	1183.86	1.21

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