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

Tirzepatide 99.2% Purity — NexaphCertificate of Analysis · Independent third-party lab result

Tested purity 99.2% High purity · 99.16%
Dose vs label -10.1% Under the labeled dose -26.1% vs vendor claim (12.2mg)
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabE tested this tirzepatide batch (TIR1011262025-12) at 99.16% purity via HPLC. Endotoxins were below LOQ, and the test is recent (3-6 months old). However, the tested quantity was significantly lower than the label, showing a -26.1% deviation. Customers can cross-check on the lab's public verification URL.

Watch out for
  • quantity -26.1% deviation
Test date
2026-01-19
Testing lab
LabE
Batch / lot
TIR[PHONE_REDACTED]-12
Quantity
8.99mg
label 10mg · tested 8.99mg
vendor batch claim 12.2mg (Label)
Endotoxins
below LOQ
Assay method
HPLC + mass quantification + endotoxins
Test score
5.2
Label dose
10mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.16% ranks higher than 6% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2026-01-19 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 55% of our catalogued Tirzepatide certificates.

Nexaph has 362 certificates in our corpus, including 68 for Tirzepatide at a median tested purity of 99.84%.

Manufacturer
Nexaph
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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
10mg
Container
No Label / Black Crimp / Clear Purple Cap
Catalogued
2026-04-16
Artifact hash
b40c94d70259280e…
Saved source

Saved source document

sha256:c913f34f0e83eaf1… — immutable copy held by TitrateLab

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