TitrateLab · Certificate of Analysis

Selank 100.0% Purity — Puratek PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.95%
Dose vs label -2.0% Essentially at label
Evidence Source archived Blend
Test date
2026-05-01
Testing lab
Freedom Diagnostics
Batch / lot
SEL10003
Quantity
9.80 mg
label 10mg · tested 9.80 mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

This Selank certificate's tested purity of 99.95% ranks higher than 97% of the 677 Selank certificates with a purity result we have catalogued (median 99.75%).

Tested 2026-05-01 by Freedom Diagnostics via HPLC + MS. This test is newer than 69% of our catalogued Selank certificates.

Puratek Peptides has 79 certificates in our corpus, including 2 for Selank at a median tested purity of 99.83%.

Manufacturer
Puratek 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

sha256:36e237a54338adbc… — immutable copy held by TitrateLab

Download the saved PDF (sha256 36e237a54338…)
Related

Other Selank certificates

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