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

Tirzepatide 99.3% Purity — Zhuoyan LabCertificate of Analysis · Independent third-party lab result

Tested purity 99.3% High purity · 99.30%
Dose vs label +23.0% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabG tested this Tirzepatide at 99.3% purity via HPLC. The tested quantity was 24.6mg against a 20mg label, a deviation of +23%. Endotoxin status is unknown. The test is older (6-12 months) and lacks a batch ID. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • stale (6-12 months)
  • no batch ID
Test date
2025-10-06
Testing lab
LabG
Batch / lot
(no batch ID)
Quantity
24.6mg
label 20mg · tested 24.6mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
3.6
Label dose
20mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.30% ranks higher than 7% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-10-06 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 32% of our catalogued Tirzepatide certificates.

Zhuoyan Lab has 39 certificates in our corpus, including 20 for Tirzepatide at a median tested purity of 99.85%.

Manufacturer
Zhuoyan Lab
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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
20mg
Container
White Label / Silver Crimp / Gray Cap
Catalogued
2026-04-16
Artifact hash
019c75e79aecbc55…
Saved source

Saved source document

sha256:3fe555e5664b3b28… — immutable copy held by TitrateLab

Related

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