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

Tirzepatide 99.7% Purity — BarnCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.742%; 99.698%; 99.711%.
Dose vs label 66.65 mg; 64.88 mg; 64.86 mg · tested 66.65 mg; 64.88 mg; 64.86 mg
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this tirzepatide at 99.742% purity via HPLC. The test is recent (3-6 months old). However, the COA lacks information on endotoxin status and the labeled quantity, making a full assessment of completeness difficult. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • unknown batch ID
  • unknown label quantity
Test date
2025-11-26
Testing lab
Janoshik
Batch / lot
Quantity
66.65 mg; 64.88 mg; 64.86 mg
Endotoxins
Assay method
HPLC
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.74% ranks higher than 32% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-11-26 by Janoshik via HPLC. This test is newer than 43% of our catalogued Tirzepatide certificates.

Barn has 54 certificates in our corpus, including 4 for Tirzepatide at a median tested purity of 99.83%.

Manufacturer
Barn
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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
2026-04-22
Artifact hash
56971a04ba28798e…
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": 99.742, "purity_label": "99.742%; 99.698%; 99.711%.", "method": "HPLC", "test_date": "2025-11-26", "client": "[EMAIL_REDACTED]", "notes": "", "label_qty": "", "tested_qty": "66.65 mg; 64.88 mg; 64.86 mg", "quantity_deviation_pct": null, "is_blend": false, "components_json": "", "ocr_confidence": 0.92}
Related

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