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

Retatrutide 99.6% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.59%
Dose vs label -7.2% Under the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this retatrutide at 99.59% purity via HPLC and mass quantification. The tested quantity was 37.1mg against a 40mg label, a deviation of -7.3%. Endotoxin status is not applicable, and the test is older (6-12 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • older (6-12 months)
  • no batch ID
Test date
2025-07-25
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
37.1mg
label 40mg · tested 37.1mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
6.5
Label dose
40mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.59% ranks higher than 19% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-07-25 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 9% of our catalogued Retatrutide certificates.

Qing Li Peptide has 348 certificates in our corpus, including 119 for Retatrutide at a median tested purity of 99.80%.

Manufacturer
Qing Li Peptide
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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
40mg
Container
White Label / Silver Crimp / Clear Red Cap
Catalogued
2026-04-16
Artifact hash
a2bec6b34f839e13…
Saved source

Saved source document

sha256:09e4407dbecdcc27… — immutable copy held by TitrateLab

Related

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