All Semaglutide Certificate of Analysis results— 854 COAs
TitrateLab · Certificate of Analysis

Semaglutide 99.9% Purity — Centre ResearchCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.86%
Dose vs label +4.8% Essentially at label
Evidence Source archived
Test date
2025-06-28
Testing lab
Freedom Diagnostics
Batch / lot
SEMA25-20-002
Quantity
20.97 mg
label 20mg · tested 20.97 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Semaglutide certificate's tested purity of 99.86% ranks higher than 73% of the 854 Semaglutide certificates with a purity result we have catalogued (median 99.74%).

Tested 2025-06-28 by Freedom Diagnostics via HPLC + MS. This test is newer than 55% of our catalogued Semaglutide certificates.

Centre Research has 249 certificates in our corpus, including 9 for Semaglutide at a median tested purity of 99.81%.

Manufacturer
Centre Research
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
20mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:0e3f4f4b9840def8… — immutable copy held by TitrateLab

Download the saved PDF (sha256 0e3f4f4b9840…)
Related

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