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

Tirzepatide 99.8% Purity — Neurogan / StemcodeCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.833%
Dose vs label -7.0% Under the labeled dose
Evidence Source archived
Test date
2026-04-12
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
4.65 mg
label 5mg · tested 4.65 mg
Endotoxins
Assay method
HPLC + MS
Label dose
5mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.83% ranks higher than 52% of the 7304 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-04-12 by Freedom Diagnostics via HPLC + MS. This test is newer than 76% of our catalogued Tirzepatide certificates.

Neurogan / Stemcode has 11 certificates in our corpus, including 1 for Tirzepatide at a median tested purity of 99.83%.

Manufacturer
Neurogan / Stemcode
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
5mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:74cb644ae13b4b1c… — immutable copy held by TitrateLab

Download the saved PDF (sha256 74cb644ae13b…)
Related

Other Tirzepatide certificates

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