TitrateLab · Certificate of Analysis

Tirzepatide 99.8% Purity — Centre ResearchCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.81%
Dose vs label +8.0% Over the labeled dose
Evidence Source archived Blend
Test date
2026-06-07
Testing lab
Freedom Diagnostics
Batch / lot
005
Quantity
97.17 mg
label 90mg · tested 97.17 mg
Endotoxins
Assay method
HPLC + MS
Label dose
90mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.81% ranks higher than 47% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-06-07 by Freedom Diagnostics via HPLC + MS. This test is newer than 91% of our catalogued Tirzepatide certificates.

Centre Research has 249 certificates in our corpus, including 26 for Tirzepatide at a median tested purity of 99.92%.

Manufacturer
Centre Research
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
90mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:a7f52c7a5e756ef9… — immutable copy held by TitrateLab

Download the saved PDF (sha256 a7f52c7a5e75…)
Related

Other Tirzepatide certificates

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