TitrateLab · Certificate of Analysis

Tirzepatide 99.9% Purity — Crownwell ResearchCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.89%
Dose vs label +25.8% Over the labeled dose
Evidence Source archived Blend
Test date
2026-02-03
Testing lab
Freedom Diagnostics
Batch / lot
CW-TZ30001
Quantity
37.74 mg
label 30mg · tested 37.74 mg
Endotoxins
Assay method
HPLC + MS
Label dose
30mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.89% ranks higher than 67% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-02-03 by Freedom Diagnostics via HPLC + MS. This test is newer than 60% of our catalogued Tirzepatide certificates.

Crownwell Research has 33 certificates in our corpus, including 4 for Tirzepatide at a median tested purity of 99.83%.

Manufacturer
Crownwell 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
30mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:4df79f021e0b62cb… — immutable copy held by TitrateLab

Download the saved PDF (sha256 4df79f021e0b…)
Related

Other Tirzepatide certificates

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