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 · 99.57%
Dose vs label -11.3% Under the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this retatrutide batch (July 15th Batch # 2) at 99.57% purity via HPLC and mass quantification. The tested quantity was 13.3mg against a 15mg label, representing an 11.3% deviation. No endotoxin test was reported. 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)
  • quantity deviation (11.3%)
Test date
2025-08-21
Testing lab
LabE
Batch / lot
July 15th Batch # 2
Quantity
13.3mg
label 15mg · tested 13.3mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
7.3
Label dose
15mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.57% ranks higher than 18% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-08-21 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 12% 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

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
15mg
Container
No Label / Silver Crimp / Orange Cap
Catalogued
2026-04-16
Artifact hash
63ac2c16f1c9e5bc…
Saved source

Saved source document

sha256:bfbd7ecc0dce3bb7… — 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 →