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

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

Tested purity 99.8% High purity · 99.83%
Dose vs label -7.2% Under the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this tirzepatide batch (Dark blue Cap) at 99.83% purity via HPLC. The tested quantity was 55.7mg, a deviation of -7.2% from the 60mg label. Endotoxin status is not applicable, and the test is recent (under 3 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • quantity deviation (-7.2%)
  • no endotoxin test
Test date
2026-02-20
Testing lab
LabE
Batch / lot
Dark blue [NAME_REDACTED]
Quantity
55.7mg
label 60mg · tested 55.7mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
9.1
Label dose
60mg
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.

Zlz Peptide has 274 certificates in our corpus, including 94 for Tirzepatide at a median tested purity of 99.80%.

Manufacturer
Zlz Peptide
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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 / Copper Crimp / Clear Cap
Catalogued
2026-04-16
Artifact hash
6918beff3c9bf077…
Saved source

Saved source document

sha256:95d5cdea2ba5ca76… — immutable copy held by TitrateLab

Related

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