All Tirzepatide Certificate of Analysis results(7,664 COAs)
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Tested vendor:Shanghai Erp Peptide Biotechnology All Tirzepatide COAs & research All Tirzepatide results & stats

Tirzepatide 99.9% Purity — Shanghai Erp Peptide BiotechnologyCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.9%
Dose vs label -5.5% Under the labeled dose
Evidence Artifact captured
Test date
2026-05-08
Testing lab
LabE
Batch / lot
ERP 4/2026
Quantity
18.9mg
label 20mg · tested 18.9mg
Endotoxins
—
Assay method
HPLC + mass quantification + endotoxins
Test score
9.8
Label dose
20mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.90% ranks higher than 73% of the 7661 Tirzepatide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-05-08 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 79% of our catalogued Tirzepatide certificates.

Shanghai Erp Peptide Biotechnology has 121 certificates in our corpus, including 20 for Tirzepatide at a median tested purity of 99.90%.

Manufacturer
Shanghai Erp Peptide Biotechnology
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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
20mg
Container
White Label / Silver Crimp / Violet Cap
Catalogued
2026-05-20
Artifact hash
2d66fa2ca1e7e0f5…
Saved source

Saved source document

sha256:db8d0922645dbf03… — immutable copy held by TitrateLab

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