All Tirzepatide Certificate of Analysis results(8,134 COAs)
TitrateLab · Certificate of Analysis
Tested vendor:Zhengzhou Lan Yun Cosmetic Trading All Tirzepatide COAs & research All Tirzepatide results & stats

Tirzepatide 99.9% Purity — Zhengzhou Lan Yun Cosmetic TradingCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.9%
Dose vs label +16.8% Over the labeled dose
Evidence Source archived
Test date
2026-05-25
Testing lab
LabG
Batch / lot
(no batch ID)
Quantity
58.4mg
label 50mg · tested 58.4mg
Endotoxins
—
Assay method
HPLC + mass quantification + endotoxins
Test score
5.4
Label dose
50mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.90% ranks higher than 73% of the 8131 Tirzepatide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-05-25 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 80% of our catalogued Tirzepatide certificates.

Zhengzhou Lan Yun Cosmetic Trading has 26 certificates in our corpus, including 8 for Tirzepatide at a median tested purity of 99.90%.

Manufacturer
Zhengzhou Lan Yun Cosmetic Trading
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Source

Finnrick

Source archived

We archived this certificate's source document — an immutable, SHA-256-fingerprinted copy held by TitrateLab (see Saved source document below). It stays verifiable even if the upstream page disappears.

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
50mg
Container
No label / Silver crimp / White cap
Catalogued
2026-06-21
Saved source

Saved source document

sha256:bb53ffeb9dcba4fa… — immutable copy held by TitrateLab

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