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

Retatrutide 99.7% Purity — Zhejiang Yichenkang BiotechnologyCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.67%
Dose vs label -0.4% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabA tested this retatrutide at 99.67% purity using HPLC and mass quantification. The quantity was 4.98mg against a 5mg label (-0.4% deviation). The test is older (6-12 months) and does not include an endotoxin test. A verification URL is available.

Watch out for
  • no endotoxin test
  • older (6-12 months)
  • no batch ID
Test date
2025-06-25
Testing lab
LabA
Batch / lot
(no batch ID)
Quantity
4.98mg
label 5mg · tested 4.98mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
7.4
Label dose
5mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.67% ranks higher than 25% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-06-25 by LabA via HPLC + mass quantification + endotoxins. This test is newer than 7% 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

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 data)
Catalogued
2026-04-16
Artifact hash
6d47fb51b587c7ba…
Saved source

Saved source document

sha256:6f83469e40fe5589… — 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 →