TitrateLab · Certificate of Analysis

PE-22-28 99.8% Purity — Pure Peptide Labs LLCCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.76%
Dose vs label -2.4% Essentially at label
Evidence Source archived
Test date
2026-06-29
Testing lab
Freedom Diagnostics
Batch / lot
PE1314
Quantity
9.76 mg
label 10mg · tested 9.76 mg
Endotoxins
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

This PE-22-28 certificate's tested purity of 99.76% ranks higher than 57% of the 41 PE-22-28 certificates with a purity result we have catalogued (median 99.67%).

Tested 2026-06-29 by Freedom Diagnostics via HPLC + MS. This is the most recent PE-22-28 certificate on file.

Pure Peptide Labs LLC has 198 certificates in our corpus, including 3 for PE-22-28 at a median tested purity of 99.79%.

Manufacturer
Pure Peptide Labs LLC
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

sha256:1bf6d592eda78e6e… — immutable copy held by TitrateLab

Download the saved PDF (sha256 1bf6d592eda7…)
Related

Other PE-22-28 certificates

All PE-22-28 results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Pure Peptide Labs LLC or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →