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

Tirzepatide 99.5% Purity — Zzq PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.5% High purity · 99.50%
Dose vs label +3.2% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this Tirzepatide at 99.5% purity via HPLC, with mass quantification showing 61.9mg (3.2% over the 60mg label). Endotoxins were below LOQ. This recent test (under 3 months) was submitted by a customer, and a verification URL is available.

Watch out for
  • no batch ID
  • vendor-submitted sample
Test date
2026-04-28
Testing lab
LabE
Batch / lot
(no batch ID)
Quantity
61.9mg
label 60mg · tested 61.9mg
Endotoxins
below LOQ
Assay method
HPLC + mass quantification + endotoxins
Test score
7.0
Label dose
60mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.50% ranks higher than 13% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-04-28 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 79% of our catalogued Tirzepatide certificates.

Zzq Peptides has 57 certificates in our corpus, including 21 for Tirzepatide at a median tested purity of 99.55%.

Manufacturer
Zzq Peptides
View vendor profile
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 / Silver Crimp / Blue Cap
Catalogued
2026-05-02
Artifact hash
dbb4978e69addaa3…
Saved source

Saved source document

sha256:6a8101ad28b1e21c… — immutable copy held by TitrateLab

Related

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