Vendor warning — Shanghai Erp Peptide BiotechnologyKnown associations with scammers and silencing of whistleblowers. Do not deal with this vendor. Treat as untrustworthy and independently verify any COAs and claims. See the full Shanghai Erp Peptide Biotechnology vendor profile →

All Retatrutide Certificate of Analysis results(10,404 COAs)

TitrateLab · Certificate of Analysis

Tested vendor:Shanghai Erp Peptide Biotechnology All Retatrutide COAs & research All Retatrutide results & stats

Retatrutide 99.9% Purity — Shanghai Erp Peptide BiotechnologyCertificate of Analysis · Independent third-party lab result

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

Tested purity 99.9% High purity · 99.9%

Dose vs label -2.7% Essentially at label

Evidence Artifact captured

Test date: 2026-05-08
Testing lab: LabE
Batch / lot: ERP 4/2026
Quantity: 58.4mg
Endotoxins: —
Assay method: HPLC + mass quantification + endotoxins
Test score: 10.0
Label dose: 60mg

Context

How this result compares

This Retatrutide certificate's tested purity of 99.90% ranks higher than 70% of the 10399 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.

Shanghai Erp Peptide Biotechnology has 121 certificates in our corpus, including 50 for Retatrutide at a median tested purity of 99.90%.

Manufacturer

Shanghai Erp Peptide Biotechnology

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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: 60mg
Container: White Label / Silver Crimp / Orange Cap
Catalogued: 2026-05-20
Artifact hash: a01c3eddd62d9cf4…

Saved source

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sha256:29abdc907d045b2a… — 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 Shanghai Erp Peptide Biotechnology or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →