TitrateLab · Certificate of Analysis

Methylene Blue 98.6% Purity — Unknown vendor (review)Certificate of Analysis · Independent third-party lab result

Tested purity 98.6% Acceptable purity · 98.586%
Dose vs label -9.2% Under the labeled dose
Evidence URL referenced
Test date
2026-02-03
Testing lab
Freedom Diagnostics
Batch / lot
012726MB20
Quantity
18.16 mg
label 20mg · tested 18.16 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Methylene Blue certificate's tested purity of 98.59% ranks higher than 61% of the 9 Methylene Blue certificates with a purity result we have catalogued (median 98.42%).

Tested 2026-02-03 by Freedom Diagnostics via HPLC + MS. This test is newer than 54% of our catalogued Methylene Blue certificates.

Unknown vendor (review) has 34840 certificates in our corpus, including 23 for Methylene Blue at a median tested purity of 98.42%.

Manufacturer
Unknown vendor (review)
View vendor profile
Source

freedom_diagnostic

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Method
HPLC + MS
Test type
freedom_composite
Dose
20mg
Catalogued
2026-07-04
Related

Other Methylene Blue certificates

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