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

Tirzepatide 99.3% Purity — Zhejiang Yichenkang BiotechnologyCertificate of Analysis · Independent third-party lab result

Tested purity 99.3% High purity · 99.26%
Dose vs label -6.2% Under the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

LabA tested this tirzepatide at 99.26% purity via HPLC and mass quantification. The tested quantity was 4.69mg against a 5mg label, a deviation of -6.2%. Endotoxin status is not applicable, and 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 >5%
Test date
2025-06-25
Testing lab
LabA
Batch / lot
(no batch ID)
Quantity
4.69mg
label 5mg · tested 4.69mg
Endotoxins
Assay method
HPLC + mass quantification + endotoxins
Test score
6.1
Label dose
5mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.26% ranks higher than 7% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-06-25 by LabA via HPLC + mass quantification + endotoxins. This test is newer than 18% of our catalogued Tirzepatide certificates.

Zhejiang Yichenkang Biotechnology has 58 certificates in our corpus, including 9 for Tirzepatide at a median tested purity of 99.59%.

Manufacturer
Zhejiang Yichenkang Biotechnology
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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
5mg
Container
(no data)
Catalogued
2026-04-16
Artifact hash
5b0495321e6a23c4…
Saved source

Saved source document

sha256:3bc170000d8eb9cd… — immutable copy held by TitrateLab

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