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

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

Tested purity 99.9% High purity · 99.9%

Dose vs label +4.5% Essentially at label

Evidence Artifact captured

Test date: 2026-05-20
Testing lab: LabE
Batch / lot: 3172026
Quantity: 20.9mg
Endotoxins: —
Assay method: HPLC + mass quantification + endotoxins
Test score: 10.0
Label dose: 20mg

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 2026-05-20 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 75% of our catalogued Retatrutide certificates.

Oupeptide has 195 certificates in our corpus, including 64 for Retatrutide at a median tested purity of 99.80%.

Manufacturer

Oupeptide

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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: 20mg
Container: No label / Silver crimp / Violet cap
Catalogued: 2026-05-31
Artifact hash: bc6cc2d0de91df06…

Saved source

Saved source document

sha256:000de35ca00ed4d7… — 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 Oupeptide or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →