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

Tirzepatide 99.8% Purity — GREY RESEARCH PEPTIDESCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.81%
Dose vs label +7.9% Over the labeled dose
Evidence Source archived
Test date
2026-05-17
Testing lab
Freedom Diagnostics
Batch / lot
20145
Quantity
16.19 mg
label 15mg · tested 16.19 mg
Endotoxins
Assay method
HPLC + MS
Label dose
15mg
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 2026-05-17 by Freedom Diagnostics via HPLC + MS. This test is newer than 84% of our catalogued Tirzepatide certificates.

GREY RESEARCH PEPTIDES has 32 certificates in our corpus, including 3 for Tirzepatide at a median tested purity of 99.81%.

Manufacturer
GREY RESEARCH 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.

Method
HPLC + MS
Test type
freedom_composite
Dose
15mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:815c13357960c9c4… — immutable copy held by TitrateLab

Download the saved PDF (sha256 815c13357960…)
Related

Other Tirzepatide certificates

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