TitrateLab · Certificate of Analysis

Tirzepatide 99.9% Purity — Research 1 PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.93%
Dose vs label +11.6% Over the labeled dose
Evidence Source archived Blend
Test date
2026-06-27
Testing lab
Freedom Diagnostics
Batch / lot
6769500
Quantity
22.32 mg
label 20mg · tested 22.32 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.93% ranks higher than 85% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-06-27 by Freedom Diagnostics via HPLC + MS. This test is newer than 99% 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
Dose
20mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:174a4416113191a6… — immutable copy held by TitrateLab

Download the saved PDF (sha256 174a44161131…)
Related

Other Tirzepatide certificates

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 →