All Retatrutide Certificate of Analysis results— 9826 COAs
TitrateLab · Certificate of Analysis

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

Tested purity 99.9% High purity · 99.90%
Dose vs label +10.5% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this retatrutide at 99.9% purity via HPLC and mass quantification. The tested quantity was 22.1mg, showing a significant 10.5% deviation from the 20mg label. Endotoxin status is not applicable, and the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • quantity deviation (10%+)
  • no endotoxin test
  • no batch ID
Test date
2026-02-11
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
22.1mg
label 20mg · tested 22.1mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
6.4
Label dose
20mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.90% ranks higher than 70% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-02-11 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 50% of our catalogued Retatrutide certificates.

Shanghai Leader Peptide Biotechnology has 57 certificates in our corpus, including 24 for Retatrutide at a median tested purity of 99.73%.

Manufacturer
Shanghai Leader Peptide Biotechnology
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Finnrick

Artifact captured

We have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
20mg
Container
No Label / Silver Crimp / White Cap
Catalogued
2026-04-16
Artifact hash
7d658e67dfa8cf4b…
Saved source

Saved source document

sha256:60b808928321ba42… — immutable copy held by TitrateLab

Related

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