TitrateLab · Certificate of Analysis
Tested vendor:Stack One Labs All N results & stats

N 100.0% Purity — Stack One LabsCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.99%
Dose vs label 500mg Label 500mg
Evidence Source archived
Test date
2026-06-21
Testing lab
Freedom Diagnostics
Batch / lot
26078
Quantity
500mg
label 500mg
Endotoxins
—
Assay method
HPLC + MS
Label dose
500mg
Context

How this result compares

We have catalogued 1 N certificate; across the 1 with a purity result the median tested purity is 99.99%.

Tested 2026-06-21 by Freedom Diagnostics via HPLC + MS.

Stack One Labs has 7 certificates in our corpus, including 1 for N at a median tested purity of 99.99%.

Manufacturer
Stack One Labs
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
500mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:79fec94fbbbaf0ed… — immutable copy held by TitrateLab

Download the saved PDF (sha256 79fec94fbbba…)

Download saved source

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