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

Tirzepatide 99.8% Purity — LilipeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.83%
Dose vs label -9.5% Under the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this tirzepatide batch (December 5, 2025) at 99.83% purity via HPLC and mass quantification. The tested quantity was 9.05mg, representing a 9.5% deviation from the 10mg label. Endotoxin status is unknown. The test is recent (under 3 months) and customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • quantity deviation (9.5%)
Test date
2026-02-20
Testing lab
LabE
Batch / lot
December 5, 2025
Quantity
9.05mg
label 10mg · tested 9.05mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
8.4
Label dose
10mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.83% ranks higher than 51% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-02-20 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 66% of our catalogued Tirzepatide certificates.

Lilipeptide has 285 certificates in our corpus, including 35 for Tirzepatide at a median tested purity of 99.80%.

Manufacturer
Lilipeptide
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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
10mg
Container
No Label / Silver Crimp / Clear Green Cap
Catalogued
2026-04-16
Artifact hash
96b07d9393101954…
Saved source

Saved source document

sha256:608e16a709c0061d… — immutable copy held by TitrateLab

Related

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