All Retatrutide Certificate of Analysis results— 9828 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.8% Purity — Peptide SciencesCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.81%
Dose vs label -3.6% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this retatrutide batch (4484) at 99.81% purity via HPLC. Quantity was 4.82mg against a 5mg label (-3.6% deviation). 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)
Test date
2025-08-04
Testing lab
LabE
Batch / lot
4484
Quantity
4.82mg
label 5mg · tested 4.82mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
9.8
Label dose
5mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.81% ranks higher than 46% of the 9823 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-08-04 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 10% of our catalogued Retatrutide certificates.

Peptide Sciences has 273 certificates in our corpus, including 85 for Retatrutide at a median tested purity of 99.62%.

Manufacturer
Peptide Sciences
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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 / Blue Cap
Catalogued
2026-04-16
Artifact hash
79a7662b9e1051bf…
Saved source

Saved source document

sha256:7f7674eb960cfec4… — immutable copy held by TitrateLab

Related

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