All Selank Certificate of Analysis results— 677 COAs
TitrateLab · Certificate of Analysis

Selank 99.6% Purity — Great Northern PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.626%
Dose vs label +18.5% Over the labeled dose
Evidence Source archived
Test date
2025-10-22
Testing lab
Freedom Diagnostics
Batch / lot
Quantity
11.85 mg
label 10mg · tested 11.85 mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

This Selank certificate's tested purity of 99.63% ranks higher than 29% of the 677 Selank certificates with a purity result we have catalogued (median 99.75%).

Tested 2025-10-22 by Freedom Diagnostics via HPLC + MS. This test is newer than 19% of our catalogued Selank certificates.

Great Northern Peptides has 83 certificates in our corpus, including 2 for Selank at a median tested purity of 99.73%.

Manufacturer
Great Northern Peptides
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:a3e698aa9e962223… — immutable copy held by TitrateLab

Download the saved PDF (sha256 a3e698aa9e96…)
Related

Other Selank certificates

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