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

Tirzepatide 99.9% Purity — Preferred RxxCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.88%
Dose vs label -8.3% Under the labeled dose
Evidence Source archived
Test date
2026-06-26
Testing lab
Freedom Diagnostics
Batch / lot
26060401TIR
Quantity
110.09 mg
label 120mg · tested 110.09 mg
Endotoxins
Assay method
HPLC + MS
Label dose
120mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.88% ranks higher than 64% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-06-26 by Freedom Diagnostics via HPLC + MS. This test is newer than 98% of our catalogued Tirzepatide certificates.

Preferred Rxx has 5 certificates in our corpus, including 3 for Tirzepatide at a median tested purity of 99.88%.

Manufacturer
Preferred Rxx
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
120mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:e0dfe79e71938a1c… — immutable copy held by TitrateLab

Download the saved PDF (sha256 e0dfe79e7193…)
Related

Other Tirzepatide certificates

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