All Tirzepatide Certificate of Analysis results(7,697 COAs)
TitrateLab · Certificate of Analysis
Tested vendor:Qing Li Peptide All Tirzepatide COAs & research All Tirzepatide results & stats

Tirzepatide 99.7% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.7%
Dose vs label +20.5% Over the labeled dose
Evidence Source archived
Test date
2026-06-08
Testing lab
LabG
Batch / lot
[NAME_REDACTED], 2026
Quantity
24.1mg
label 20mg · tested 24.1mg
Endotoxins
—
Assay method
HPLC + mass quantification + endotoxins
Test score
6.5
Label dose
20mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.70% ranks higher than 26% of the 7694 Tirzepatide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-06-08 by LabG via HPLC + mass quantification + endotoxins. This test is newer than 88% of our catalogued Tirzepatide certificates.

Qing Li Peptide has 349 certificates in our corpus, including 49 for Tirzepatide at a median tested purity of 99.80%.

Manufacturer
Qing Li Peptide
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Source

Finnrick

Source archived

We archived this certificate's source document — an immutable, SHA-256-fingerprinted copy held by TitrateLab (see Saved source document below). It stays verifiable even if the upstream page disappears.

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
20mg
Container
No label / Silver crimp / Violet cap
Catalogued
2026-06-14
Saved source

Saved source document

sha256:6a0e4bb5f741af53… — immutable copy held by TitrateLab

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Freedom Diagnostics Estera Labs Tirzepatide
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Freedom Diagnostics EJ Solis Ventures LLC Tirzepatide
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Freedom Diagnostics Delta Peps Tirzepatide
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All Tirzepatide results & stats
This certificate is part of TitrateLab's community-trust corpus. See more from Qing Li Peptide or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →