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

Tirzepatide 100.0% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 100.0% High purity · 99.95%
Dose vs label -1.0% Essentially at label -18.2% vs vendor claim (36.3mg)
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this tirzepatide batch (T30/2025-0801) at 99.95% purity via HPLC. The tested quantity was 29.7mg against a 30mg label, representing an 18.2% deviation. Endotoxin status is unknown. The test is older (6-12 months). Customers can cross-check on the lab's public verification URL.

Watch out for
  • significant quantity deviation
  • no endotoxin test
  • older (6-12 months)
Test date
2025-11-04
Testing lab
LabE
Batch / lot
T30/2025-0801
Quantity
29.7mg
label 30mg · tested 29.7mg
vendor batch claim 36.3mg (Package)
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
6.7
Label dose
30mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.95% ranks higher than 92% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-11-04 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 37% of our catalogued Tirzepatide certificates.

Qing Li Peptide has 348 certificates in our corpus, including 49 for Tirzepatide at a median tested purity of 99.80%.

Manufacturer
Qing Li Peptide
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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
30mg
Container
White Label / Silver Crimp / Pink Cap
Catalogued
2026-04-16
Artifact hash
38705366da174d2c…
Saved source

Saved source document

sha256:0897f26145ea54cd… — immutable copy held by TitrateLab

Related

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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 →