TitrateLab · Certificate of Analysis
Tested vendor:Instant Peptides

PT-141/Glycine 99.9% Purity — Instant PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.9%
Dose vs label +17.3% Over the labeled dose
Evidence Source archived Blend
Test date
2025-10-23
Testing lab
Freedom Diagnostics
Batch / lot
2025-0282-A
Quantity
11.73 mg
label 10mg · tested 11.73 mg
Endotoxins
—
Assay method
HPLC + MS
Label dose
10mg
Context

How this result compares

We have catalogued 4 PT-141/Glycine certificates; across the 4 with a purity result the median tested purity is 99.89%.

Tested 2025-10-23 by Freedom Diagnostics via HPLC + MS.

Instant Peptides has 119 certificates in our corpus, including 1 for PT-141/Glycine at a median tested purity of 99.90%.

Manufacturer
Instant 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:e5882688fc6d23bb… — immutable copy held by TitrateLab

Download the saved PDF (sha256 e5882688fc6d…)

Download saved source

Related

Other PT-141/Glycine certificates

The Peptide Source PT-141/Glycine
99.2% 2025-10-11
Freedom Diagnostics Fit Aminos PT-141/Glycine
99.9% 2025-09-25
Freedom Diagnostics Synthesis Peptides LLC PT-141/Glycine
99.9% 2025-09-12
Freedom Diagnostics
This certificate is part of TitrateLab's community-trust corpus. See more from Instant Peptides or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →