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

Tirzepatide 99.4% Purity — Coastal PeptidesCertificate of Analysis · Independent third-party lab result

Tested purity 99.4% High purity · 99.40%
Dose vs label +2.8% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabA tested this tirzepatide at 99.4% purity via HPLC. Quantity was 2.8% over the 5mg label (5.14mg tested). The test is stale (over a year old), and endotoxin status is unknown. Customers can cross-check on the lab's public verification URL.

Watch out for
  • stale (1+ years old)
  • no endotoxin test
  • no batch ID
Test date
2025-02-27
Testing lab
LabA
Batch / lot
(no batch ID)
Quantity
5.14mg
label 5mg · tested 5.14mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
6.8
Label dose
5mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.40% ranks higher than 10% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-02-27 by LabA via HPLC + mass quantification + endotoxins. This test is newer than 9% of our catalogued Tirzepatide certificates.

Coastal Peptides has 26 certificates in our corpus, including 5 for Tirzepatide at a median tested purity of 99.75%.

Manufacturer
Coastal Peptides
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
5mg
Container
White Label / Silver Crimp / Blue Cap
Catalogued
2026-04-16
Artifact hash
2dee0266f94df87d…
Saved source

Saved source document

sha256:28f32be5b054e661… — immutable copy held by TitrateLab

Related

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