All Tirzepatide Certificate of Analysis results(7,680 COAs)
TitrateLab · Certificate of Analysis

Tirzepatide 99.7% Purity — Hangzhou Youngpeptide Biotechnology HybCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity
Dose vs label +4.0% Essentially at label
Evidence URL referenced Trust: medium
AI summary Third-party lab

Janoshik tested this tirzepatide batch (MFG JULY 15,2025 Red "Pink" caps) at 99.736% purity. Quantity was 3.97% above the label. The test is older (6-12 months), and details on the test method and endotoxin status are not available. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • older (6-12 months)
  • unknown test method
Test date
2025-10-01
Testing lab
Janoshik
Batch / lot
MFG JULY 15,2025 Red "Pink" caps
Quantity
31.19mg
label 30mg · tested 31.19mg
Endotoxins
Assay method
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.74% ranks higher than 31% of the 7677 Tirzepatide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-10-01 by Janoshik. This test is newer than 29% of our catalogued Tirzepatide certificates.

Hangzhou Youngpeptide Biotechnology Hyb has 91 certificates in our corpus, including 22 for Tirzepatide at a median tested purity of 99.78%.

Manufacturer
Hangzhou Youngpeptide Biotechnology Hyb
View vendor profile
Source

Third-party community lab

URL referenced

This entry references an upstream lab URL we crawled. We did not save the artifact, so we can't prove the report still loads as it did when we catalogued it.

Catalogued
2026-04-24
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This certificate is part of TitrateLab's community-trust corpus. See more from Hangzhou Youngpeptide Biotechnology Hyb or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →