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

Tirzepatide 99.9% Purity — Qing Li PeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.91%
Dose vs label +10.0% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this tirzepatide batch (Apr 15, 2025) at 99.91% purity via HPLC. The tested quantity of 66mg showed a 10% deviation from the 60mg label, and 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
  • no endotoxin test
  • stale (6-12 months)
  • quantity deviation (10%)
Test date
2025-07-25
Testing lab
LabE
Batch / lot
Apr 15, 2025
Quantity
66mg
label 60mg · tested 66mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
8.5
Label dose
60mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.91% ranks higher than 80% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-07-25 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 21% 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
View vendor profile
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.

Verify on the upstream lab
Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
60mg
Container
No Label / Silver Crimp / Red Cap
Catalogued
2026-04-16
Artifact hash
88c4431fb71c8cd8…
Saved source

Saved source document

sha256:0bb247033fbe2a5c… — immutable copy held by TitrateLab

Related

Other Tirzepatide certificates

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 →