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

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

Tested purity 99.8% High purity · 99.76%
Dose vs label +5.4% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this retatrutide at 99.76% purity using HPLC and mass quantification. The tested quantity of 5.27mg showed a 5.4% deviation from the 5mg label. Endotoxin status is unknown, 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
2025-10-03
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
5.27mg
label 5mg · tested 5.27mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
7.5
Label dose
5mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.76% ranks higher than 36% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-10-03 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 18% of our catalogued Retatrutide certificates.

Rayshine Peptide Biochemicals has 26 certificates in our corpus, including 10 for Retatrutide at a median tested purity of 99.71%.

Manufacturer
Rayshine Peptide Biochemicals
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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
db4537762b41ac00…
Saved source

Saved source document

sha256:755953a14c3aa8b5… — immutable copy held by TitrateLab

Related

Other Retatrutide certificates

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