All Retatrutide Certificate of Analysis results— 9703 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.8% Purity — CrimsonPeptide.com/CrimsonPeptide, LLCCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.836%
Dose vs label +2.6% Essentially at label
Evidence Source archived
Test date
2026-04-01
Testing lab
Freedom Diagnostics
Batch / lot
RT202601
Quantity
20.53 mg
label 20mg · tested 20.53 mg
Endotoxins
Assay method
HPLC + MS
Label dose
20mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.84% ranks higher than 51% of the 9698 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-04-01 by Freedom Diagnostics via HPLC + MS. This test is newer than 64% of our catalogued Retatrutide certificates.

CrimsonPeptide.com/CrimsonPeptide, LLC has 14 certificates in our corpus, including 4 for Retatrutide at a median tested purity of 99.85%.

Manufacturer
CrimsonPeptide.com/CrimsonPeptide, 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
20mg
Catalogued
2026-07-04
Saved source

Saved source document

sha256:42d9ba13387efcd9… — immutable copy held by TitrateLab

Download the saved PDF (sha256 42d9ba13387e…)
Related

Other Retatrutide certificates

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