Retatrutide 5 mg Certificate of Analysis Batch APL-RETA5-2608-03

Retatrutide 5 mg from batch APL-RETA5-2608-03 was analysed on 15 August 2026 and measured 99.31% purity by HPLC / Mass Spectrometry, passing all 5 release tests.

Purity: 99.31%
Result: All 5 tests passed
Tested: 15 August 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-RETA5-2608-03

Compound: Retatrutide
Lot Number: APL-RETA5-2608-03
Analysis Date: 15 August 2026
Method: HPLC / Mass Spectrometry
Purity: 99.31%
Net Content: 5.04 mg

CAS Number: 2381089-83-2
Formula: C221H342N46O68
Molecular Weight: 4731.4 g/mol
Form: Lyophilised Powder
Manufactured: August 2026
Issued: 16 August 2026
Document ID: APL-COA-RETA5-2608-03
Verification Code: Batch traceable

High Performance Liquid Chromatography (HPLC-UV) Chromatogram

Main peak integrated at 99.31% of total area; no single impurity peak exceeds 0.54%.

Peak List

Peaks detected: 5

#	Time (min)	Area	% Area	Identification
1	3.912	5,120	0.070	—
2	4.187	38,940	0.540	—
3	4.402	7,142,880	99.310	Retatrutide
4	4.716	4,810	0.070	—
5	7.845	803	0.010	—

Analytical Results

Test	Specification	Result	Status
Appearance	White Lyophilised Powder	Conforms	PASS
Identity (MS)	Confirmed	Confirmed	PASS
Purity (HPLC)	≥98.0%	99.31%	PASS
Peptide Content	95–105%	98.7%	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

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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: 15 August 2026

Monitored (m/z)	Detected (m/z)	Relative Intensity
790	789.52	1.42
947	947.21	1.95
1184	1183.75	1.1

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