All Retatrutide Certificate of Analysis results— 9827 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.9% Purity — Zhejiang Yichenkang BiotechnologyCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.94%
Dose vs label -6.0% Under the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

This COA was tested by an independent third-party lab, LabE. The retatrutide showed 99.94% purity via HPLC and mass quantification. The tested quantity was 18.8mg against a 20mg label, a 6% deviation. Endotoxin status is not applicable for this test. The test is older (6-12 months).

Watch out for
  • no endotoxin test
  • older (6-12 months)
  • quantity deviation (6%)
Test date
2025-08-04
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
18.8mg
label 20mg · tested 18.8mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
7.7
Label dose
20mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.94% ranks higher than 86% of the 9822 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.

Zhejiang Yichenkang Biotechnology has 58 certificates in our corpus, including 12 for Retatrutide at a median tested purity of 99.67%.

Manufacturer
Zhejiang Yichenkang Biotechnology
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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
20mg
Container
No Label / Copper Crimp / Clear Cap
Catalogued
2026-04-16
Artifact hash
d5dcfce2b39c4c09…
Saved source

Saved source document

sha256:1f991c147194722a… — immutable copy held by TitrateLab

Related

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