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

Retatrutide 99.6% Purity — Zzq PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.60%
Dose vs label -2.0% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabG tested this retatrutide at 99.6% purity using HPLC and mass quantification. The quantity was 4.9mg against a 5mg label (-2% deviation). Endotoxin status is not applicable, and the test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • no batch ID
Test date
2026-01-01
Testing lab
LabG
Batch / lot
(no batch ID)
Quantity
4.9mg
label 5mg · tested 4.9mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
7.3
Label dose
5mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.60% ranks higher than 20% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-01-01 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 37% of our catalogued Retatrutide certificates.

Zzq Peptides has 57 certificates in our corpus, including 18 for Retatrutide at a median tested purity of 99.81%.

Manufacturer
Zzq Peptides
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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
5mg
Container
No Label / Silver Crimp / Violet Cap
Catalogued
2026-04-16
Artifact hash
c1385550e9e000f7…
Saved source

Saved source document

sha256:3b846e1435d20f62… — immutable copy held by TitrateLab

Related

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