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

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

Tested purity 99.4% High purity · 99.371%
Dose vs label +6.4% Over the labeled dose
Evidence Artifact captured
Test date
2025-04-28
Batch / lot
Quantity
31.93mg
label 30mg · tested 31.93mg
Endotoxins
Assay method
HPLC
Label dose
30mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.37% ranks higher than 9% of the 7677 Tirzepatide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-04-28 via HPLC. This test is newer than 12% of our catalogued Tirzepatide certificates.

Cathy has 16 certificates in our corpus, including 6 for Tirzepatide at a median tested purity of 99.46%.

Manufacturer
Cathy
View vendor profile
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Forum / Discord scrape

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.

Method
HPLC
Dose
30mg
Catalogued
2026-07-27
Artifact hash
b33c7617d816e037…
OCR text Raw extracted text

Extracted via OCR. Names, emails, phone numbers, and street addresses are auto-redacted before display.

{
  "peptide": "Tirzepatide",
  "dose": "30mg",
  "purity_pct": 99.371,
  "purity_label": "99.371%",
  "method": "HPLC",
  "test_date": "2025-04-28",
  "client": "Cathy",
  "notes": "",
  "label_qty": "30mg",
  "tested_qty": "31.93mg",
  "quantity_deviation_pct": 6.43,
  "is_blend": false,
  "components_json": "",
  "ocr_confidence": 1.0
}
Related

Other Tirzepatide certificates

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