TitrateLab · Certificate of Analysis
Tested vendor:Centre Research All Melatonan II results & stats

Melatonan II 99.8% Purity — Centre ResearchCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.78%
Dose vs label -15.8% Under the labeled dose
Evidence Source archived
Test date
2025-06-28
Testing lab
Freedom Diagnostics
Batch / lot
MEL225-10-002
Quantity
8.42 mg
label 10mg · tested 8.42 mg
Endotoxins
—
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

We have catalogued 1 Melatonan II certificate; across the 1 with a purity result the median tested purity is 99.78%.

Tested 2025-06-28 by Freedom Diagnostics via HPLC + MS.

Centre Research has 249 certificates in our corpus, including 1 for Melatonan II at a median tested purity of 99.78%.

Manufacturer
Centre 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
10mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:afe4ede8a83a69f9… — immutable copy held by TitrateLab

Download the saved PDF (sha256 afe4ede8a83a…)

Download saved source

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