Retatrutide 99.5% Purity — Lejian Biotech PeptideCertificate of Analysis · Independent third-party lab result

Name: Retatrutide COA — Lejian Biotech Peptide (99.5% purity)
Creator: LabE
License: https://titratelab.com/terms

Tested purity 99.5% High purity · 99.5%

Dose vs label +17.3% Over the labeled dose

Evidence Artifact captured

Test date: 2026-01-26
Testing lab: LabE
Batch / lot: 258042 RT30 and 4305
Quantity: 35.2mg
Endotoxins: —
Assay method: HPLC + mass quantification + endotoxins
Test score: 6.3
Label dose: 30mg

Context

How this result compares

This Retatrutide certificate's tested purity of 99.50% ranks higher than 15% of the 10566 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-01-26 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 42% of our catalogued Retatrutide certificates.

Lejian Biotech Peptide has 8 certificates in our corpus, including 8 for Retatrutide at a median tested purity of 99.90%.

Manufacturer

Lejian Biotech Peptide

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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: 30mg
Container: No Label / Silver Crimp / White Cap
Catalogued: 2026-05-31
Artifact hash: 24bd2b9d23403652…

Saved source

Saved source document

sha256:72eb64e26f2527c2… — 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 Lejian Biotech Peptide or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →