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

Tirzepatide 98.8% Purity — Zenith Jove Peptide ZjCertificate of Analysis · Independent third-party lab result

Tested purity 98.8% Acceptable purity · 98.80%
Dose vs label +30.7% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this tirzepatide batch (PLC-TR15-01-26) at 98.8% purity via HPLC. Endotoxins were below LOQ, and the test is recent (under 3 months). However, the tested quantity of 19.6mg significantly deviates from the 15mg label, showing a +30.7% overfill. Customers can cross-check on the lab's public verification URL.

Watch out for
  • quantity deviation (+30.7%)
Test date
2026-03-03
Testing lab
LabE
Batch / lot
PLC-TR15-01-26
Quantity
19.6mg
label 15mg · tested 19.6mg
Endotoxins
below LOQ
Assay method
HPLC + mass quantification + endotoxins
Test score
4.7
Label dose
15mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 98.80% ranks higher than 3% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-03-03 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 69% of our catalogued Tirzepatide certificates.

Zenith Jove Peptide Zj has 59 certificates in our corpus, including 22 for Tirzepatide at a median tested purity of 99.81%.

Manufacturer
Zenith Jove Peptide Zj
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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
15mg
Container
No Label / Silver Crimp / Blue Cap
Catalogued
2026-04-16
Artifact hash
cf6b23da365ee68b…
Saved source

Saved source document

sha256:73b97411bf8e27d7… — immutable copy held by TitrateLab

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