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

Tirzepatide 99.8% Purity — STGTSCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.868%; 99.867%; 99.811%; 99.679%.
Dose vs label 60.67 mg; 63.48 mg; 62.07 mg; 65.02 mg · tested 60.67 mg; 63.48 mg; 62.07 mg; 65.02 mg
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this tirzepatide at an average purity of 99.85% via HPLC, with individual vial purities ranging from 99.679% to 99.868%. Multiple vials were tested (60.67 mg, 63.48 mg, 62.07 mg, 65.02 mg). The test is recent (3-6 months old). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • no batch ID
  • no label quantity
Test date
2025-12-19
Testing lab
Janoshik
Batch / lot
Quantity
60.67 mg; 63.48 mg; 62.07 mg; 65.02 mg
Endotoxins
Assay method
HPLC
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.85% ranks higher than 56% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-12-19 by Janoshik via HPLC. This test is newer than 48% of our catalogued Tirzepatide certificates.

Manufacturer
STGTS
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

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
Catalogued
2026-04-24
Artifact hash
2fd406c32a72ee51…
OCR text Raw extracted text

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

{"peptide": "Tirzepatide", "dose": "", "purity_pct": 99.85, "purity_label": "99.868%; 99.867%; 99.811%; 99.679%.", "method": "HPLC", "test_date": "2025-12-19", "client": "STGTS", "notes": "Multiple vials tested (4 total). Purity values range from 99.679% to 99.868%, all within high-quality specification.", "label_qty": "", "tested_qty": "60.67 mg; 63.48 mg; 62.07 mg; 65.02 mg", "quantity_deviation_pct": null, "is_blend": false, "components_json": "", "ocr_confidence": 0.92}
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This certificate is part of TitrateLab's community-trust corpus. See more from STGTS or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →