Tirzepatide 99.5% Purity — Offline PeptidesCertificate of Analysis · Independent third-party lab result

Name: Tirzepatide COA — Offline Peptides (99.5% purity)
Creator: Freedom Diagnostics
License: https://titratelab.com/terms

Tested purity 99.5% High purity · 99.523%

Dose vs label +7.0% Over the labeled dose

Evidence Source archived

Test date: 2026-02-17
Testing lab: Freedom Diagnostics
Batch / lot: OP-TR20-0226
Quantity: 21.41 mg
Endotoxins: —
Assay method: HPLC + MS
Label dose: 20mg

Context

How this result compares

This Tirzepatide certificate's tested purity of 99.52% ranks higher than 14% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-02-17 by Freedom Diagnostics via HPLC + MS. This test is newer than 65% of our catalogued Tirzepatide certificates.

Offline Peptides has 31 certificates in our corpus, including 2 for Tirzepatide at a median tested purity of 99.55%.

Manufacturer

Offline Peptides

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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 99.5% Purity — Offline PeptidesCertificate of Analysis · Independent third-party lab result

How this result compares

Freedom Diagnostic

Saved source document

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