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

Tirzepatide 99.7% Purity — GYCCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.74%
Dose vs label -1.0% Essentially at label -6.5% vs vendor claim (21.2mg)
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this tirzepatide batch (20250446) at 99.74% purity via HPLC. The tested quantity was 19.8mg against a 20mg label, representing a -6.5% deviation. The test date and endotoxin status are unknown. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • stale (8+ months)
  • unknown test date
Test date
Testing lab
LabE
Batch / lot
20250446
Quantity
19.8mg
label 20mg · tested 19.8mg
vendor batch claim 21.2mg (Package)
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
8.6
Label dose
20mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.74% ranks higher than 32% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

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

GYC has 282 certificates in our corpus, including 96 for Tirzepatide at a median tested purity of 99.84%.

Manufacturer
GYC
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.

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Method
HPLC + mass quantification + endotoxins
Test type
finnrick_composite
Dose
20mg
Container
White Label / Silver Crimp / Clear Green Cap
Catalogued
2026-04-16
Artifact hash
2f8591ea9284828b…
Saved source

Saved source document

sha256:162ec313e73344c6… — immutable copy held by TitrateLab

Related

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