Certificate of Analysis

All tests passed. This certificate is verified and authentic.

Tested For

American Aminos and Peptides

www.americanaminopeptides.com

Product Information

Product

Tirzepatide - 20mg

Lot Number

PU-0326-A

Appearance

Good

Test Type

Purity & Quant (HPLC)

Sample Received

04/06/2026

Analysis Confirmed

04/11/2026

Test Results — Purity & Quant (HPLC)

Analyte	Limit	Result	Unit	Status
Purity (HPLC)	> 95%	99.93%	%	PASS
Net Peptide Content	Report Only	20.99	mg	N/A
Identity (ID)	Tirzepatide	Confirmed	-	PASS

HPLC Chromatogram

Representative chromatogram, Dedicated Sample 1 (closest to batch mean purity)

Sample	Purity	Net Content	Identification	Result
Dedicated Sample 1	99.93%	20.99	Confirmed	PASS
Conformity Sample 1	99.86%	20.97	Confirmed	PASS

Statistical Summary

Purity (HPLC)

Mean: 99.90 %

Std Dev: 0.0350 %

Net Peptide Content

Mean: 20.98 mg

Std Dev: 0.0100 mg

Representative sample: Dedicated Sample 1 (closest to batch mean purity). The chromatogram above corresponds to this sample.

Notes & Methodology

Sample confirmed to be Tirzepatide by HPLC. Identification by chromatographic retention time comparison with a reference standard.

Dr. Greg Kalyuzhny

Lab Director

04/11/2026

COA: COA-2026-7NR7PO

Access Code: KL8J-AKJ

Produced: 4/11/2026

This certificate was issued by ILS Laboratories LLC