Tirzepatide 99.4% Purity — C-Pep ResearchCertificate of Analysis · Independent third-party lab result

Name: Tirzepatide COA — C-Pep Research (99.4% purity)
Creator: Freedom Diagnostics
License: https://titratelab.com/terms

Tested purity 99.4% High purity · 99.42%

Dose vs label +15.6% Over the labeled dose

Evidence Source archived

Test date: 2026-04-19
Testing lab: Freedom Diagnostics
Batch / lot: —
Quantity: 11.56 mg
Endotoxins: —
Assay method: HPLC + MS
Label dose: 10mg

Context

How this result compares

This Tirzepatide certificate's tested purity of 99.42% ranks higher than 11% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-04-19 by Freedom Diagnostics via HPLC + MS. This test is newer than 77% of our catalogued Tirzepatide certificates.

C-Pep Research has 9 certificates in our corpus, including 1 for Tirzepatide at a median tested purity of 99.42%.

Manufacturer

C-Pep Research

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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.

Tirzepatide 99.4% Purity — C-Pep ResearchCertificate of Analysis · Independent third-party lab result

How this result compares

Freedom Diagnostic

Saved source document

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