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

Tirzepatide 99.7% Purity — Opal PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.677%
Dose vs label -10.3% Under the labeled dose
Evidence Source archived
Test date
2026-01-19
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
13.46 mg
label 15mg · tested 13.46 mg
Endotoxins
Assay method
HPLC + MS
Label dose
15mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.68% ranks higher than 23% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-01-19 by Freedom Diagnostics via HPLC + MS. This test is newer than 56% of our catalogued Tirzepatide certificates.

Opal Peptides has 80 certificates in our corpus, including 9 for Tirzepatide at a median tested purity of 99.77%.

Manufacturer
Opal Peptides
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
15mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:5fa1b5f90f895e33… — immutable copy held by TitrateLab

Download the saved PDF (sha256 5fa1b5f90f89…)
Related

Other Tirzepatide certificates

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