All Tirzepatide Certificate of Analysis results— 7306 COAs
TitrateLab · Certificate of Analysis

Tirzepatide 99.3% Purity — EZ Peptides LLCCertificate of Analysis · Independent third-party lab result

Tested purity 99.3% High purity · 99.26%
Dose vs label 5.11 mg · tested 5.11 mg
Evidence Source archived
Test date
2026-05-24
Testing lab
Freedom Diagnostics
Batch / lot
Tirzraws1
Quantity
5.11 mg
Endotoxins
Assay method
HPLC + MS
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.26% ranks higher than 7% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-05-24 by Freedom Diagnostics via HPLC + MS. This test is newer than 86% of our catalogued Tirzepatide certificates.

EZ Peptides LLC has 31 certificates in our corpus, including 4 for Tirzepatide at a median tested purity of 99.70%.

Manufacturer
EZ Peptides LLC
View vendor profile
Source

Freedom Diagnostic

Source archived

We archived this certificate's source document — an immutable, SHA-256-fingerprinted copy held by TitrateLab (see Saved source document below). It stays verifiable even if the upstream page disappears.

Method
HPLC + MS
Test type
freedom_composite
Catalogued
2026-07-04
Saved source

Saved source document

sha256:9e34d3f5f792be4b… — immutable copy held by TitrateLab

Download the saved PDF (sha256 9e34d3f5f792…)
Related

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All Tirzepatide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from EZ Peptides LLC or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →