All Tirzepatide Certificate of Analysis results(7,680 COAs)
TitrateLab · Certificate of Analysis

Tirzepatide 98.9% Purity — WllybioCertificate of Analysis · Independent third-party lab result

Tested purity 98.9% Acceptable purity · 98.88%
Dose vs label -16.8% Under the labeled dose
Evidence Source archived
Test date
2025-10-29
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
4.16mg
label 5mg · tested 4.16mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
3.3
Label dose
5mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 98.88% ranks higher than 4% of the 7677 Tirzepatide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-10-29 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 35% of our catalogued Tirzepatide certificates.

Wllybio has 35 certificates in our corpus, including 11 for Tirzepatide at a median tested purity of 99.80%.

Manufacturer
Wllybio
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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
5mg
Container
No Label / Silver Crimp / White Cap
Catalogued
2026-06-14
Saved source

Saved source document

sha256:17417dcaaecbb315… — immutable copy held by TitrateLab

Related

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