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

Tirzepatide 100.0% Purity — Research 1 PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.967%
Dose vs label 28.26 mg · tested 28.26 mg
Evidence Source archived
Test date
2025-09-25
Testing lab
Freedom Diagnostics
Batch / lot
Research 1 Peptides
Quantity
28.26 mg
Endotoxins
Assay method
HPLC + MS
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.97% ranks higher than 97% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-09-25 by Freedom Diagnostics via HPLC + MS. This test is newer than 30% of our catalogued Tirzepatide certificates.

Research 1 Peptides has 222 certificates in our corpus, including 27 for Tirzepatide at a median tested purity of 99.91%.

Manufacturer
Research 1 Peptides
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:ba35758baa6da68f… — immutable copy held by TitrateLab

Download the saved PDF (sha256 ba35758baa6d…)
Related

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All Tirzepatide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Research 1 Peptides or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →