Retatrutide 99.9% Purity — Peptide PartnersCertificate of Analysis · Independent third-party lab result

Name: Retatrutide COA — Peptide Partners (99.9% purity)
Creator: LabE
License: https://titratelab.com/terms

Tested purity 99.9% High purity · 99.9%

Dose vs label -10.8% Under the labeled dose

Evidence Artifact captured

Test date: 2026-05-08
Testing lab: LabE
Batch / lot: RT202603
Quantity: 21.4mg
Endotoxins: below loq
Assay method: HPLC + mass quantification + endotoxins
Test score: 8.3
Label dose: 24mg

Context

How this result compares

This Retatrutide certificate's tested purity of 99.90% ranks higher than 70% of the 10447 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-05-08 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 70% of our catalogued Retatrutide certificates.

Peptide Partners has 77 certificates in our corpus, including 23 for Retatrutide at a median tested purity of 99.90%.

Manufacturer

Peptide Partners

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Certificate

Test report image

Certificate scan as published.

Source

Finnrick

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Method: HPLC + mass quantification + endotoxins
Test type: finnrick_composite
Dose: 24mg
Container: White Label / Silver Crimp / Violet Cap
Catalogued: 2026-05-20
Artifact hash: eac0923f530d7d29…

Saved source

Saved source document

sha256:9a4c8de68b5e689c… — immutable copy held by TitrateLab

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Other Retatrutide certificates

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