All TB-500 Certificate of Analysis results— 1242 COAs
TitrateLab · Certificate of Analysis

TB-500 99.2% Purity — Zentra CompoundsCertificate of Analysis · Independent third-party lab result

Tested purity 99.2% High purity · 99.20%
Dose vs label -15.8% Under the labeled dose
Evidence Source archived
Test date
2026-06-20
Testing lab
Freedom Diagnostics
Batch / lot
ZC0006
Quantity
4.21 mg
label 5mg · tested 4.21 mg
Endotoxins
Assay method
HPLC + MS
Label dose
5mg
Context

How this result compares

This TB-500 certificate's tested purity of 99.20% ranks higher than 33% of the 1234 TB-500 certificates with a purity result we have catalogued (median 99.38%).

Tested 2026-06-20 by Freedom Diagnostics via HPLC + MS. This test is newer than 95% of our catalogued TB-500 certificates.

Zentra Compounds has 12 certificates in our corpus, including 1 for TB-500 at a median tested purity of 99.20%.

Manufacturer
Zentra Compounds
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

sha256:0153ff2383907498… — immutable copy held by TitrateLab

Download the saved PDF (sha256 0153ff238390…)
Related

Other TB-500 certificates

All TB-500 results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Zentra Compounds or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →