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

Tirzepatide 99.9% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.92%
Dose vs label -7.8% Under the labeled dose -14.1% vs vendor claim (43.0mg)
Evidence Artifact captured Trust: medium
AI summary Third-party lab

This COA was tested by an independent third-party lab, LabE. It reports 99.92% purity for Tirzepatide via HPLC, but the quantity tested was 36.9mg against a 40mg label, a deviation of -14.1%. Endotoxin status is not applicable. The test date and recency are unknown, which limits confidence in its current relevance.

Watch out for
  • unknown test date
  • quantity deviation (-14.1%)
Test date
Testing lab
LabE
Batch / lot
White Cap
Quantity
36.9mg
label 40mg · tested 36.9mg
vendor batch claim 43.0mg (Package)
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
7.2
Label dose
40mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.92% ranks higher than 82% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Testing method by LabE via HPLC + mass quantification + endotoxins.

Qingdao Sigma Chemical has 510 certificates in our corpus, including 82 for Tirzepatide at a median tested purity of 99.72%.

Manufacturer
Qingdao Sigma Chemical
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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
40mg
Container
No Label / Silver Crimp / White Cap
Catalogued
2026-04-16
Artifact hash
4eb4b88de24dca94…
Saved source

Saved source document

sha256:4e82e34f0fb2c3d6… — immutable copy held by TitrateLab

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