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

Tirzepatide 96.5% Purity — Peptide GurusCertificate of Analysis · Independent third-party lab result

Tested purity 96.5% Acceptable purity · 96.46%
Dose vs label -18.0% Under the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabC tested this Tirzepatide at 96.46% purity using HPLC and mass quantification. The tested quantity was 4.1mg against a 5mg label, representing an 18% deviation. Endotoxin status is unknown, and the test is stale (over 1 year old).

Watch out for
  • stale (1+ years old)
  • no endotoxin test
  • quantity deviation (18%)
Test date
2025-03-25
Testing lab
LabC
Batch / lot
(no batch ID)
Quantity
4.1mg
label 5mg · tested 4.1mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
2.2
Label dose
5mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 96.46% ranks higher than 1% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-03-25 by LabC via HPLC + mass quantification + endotoxins. This test is newer than 11% of our catalogued Tirzepatide certificates.

Peptide Gurus has 181 certificates in our corpus, including 20 for Tirzepatide at a median tested purity of 99.75%.

Manufacturer
Peptide Gurus
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Finnrick

Artifact captured

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
5mg
Container
No Label / Silver Crimp / White caps
Catalogued
2026-04-16
Artifact hash
f48b1241488a6d58…
Saved source

Saved source document

sha256:f8b7c0ad0f1d2f5b… — immutable copy held by TitrateLab

Related

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