All Tirzepatide Certificate of Analysis results— 7380 COAs
TitrateLab · Certificate of Analysis

Tirzepatide 98.8% Purity — Ln PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 98.8% Acceptable purity · 98.79%
Dose vs label -5.5% 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. It reports 98.79% purity for Tirzepatide via HPLC and mass quantification. The tested quantity of 56.7mg was 5.5% below the 60mg label. Endotoxin status is not applicable, and the test date is unknown. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • unknown test date
  • no batch ID
Test date
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
56.7mg
label 60mg · tested 56.7mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
5.6
Label dose
60mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 98.79% ranks higher than 3% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Testing method by LabE via HPLC + mass quantification + endotoxins.

Ln Peptides has 36 certificates in our corpus, including 14 for Tirzepatide at a median tested purity of 99.80%.

Manufacturer
Ln Peptides
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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
60mg
Container
No Label / Gold Crimp / Clear [NAME_REDACTED]
Catalogued
2026-04-16
Artifact hash
79bb375568061654…
Saved source

Saved source document

sha256:159a085cb3ea8746… — 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 Ln Peptides or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →