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

Tirzepatide 99.8% Purity — Rx Private testing groupCertificate of Analysis · Independent third-party lab result

Tested purity 99.8% High purity · 99.807%
Dose vs label +11.0% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this tirzepatide at 99.807% purity via HPLC. The tested quantity of 44.39mg showed a significant deviation of +10.975% from the 40mg label. Endotoxin status is unknown, 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
  • older (6-12 months)
  • quantity deviation (+10.975%)
Test date
2025-07-29
Testing lab
Janoshik
Batch / lot
Quantity
44.39mg
label 40mg · tested 44.39mg
Endotoxins
Assay method
HPLC
Label dose
40mg
Context

How this result compares

This Tirzepatide certificate's tested purity of 99.81% ranks higher than 46% of the 7378 Tirzepatide certificates with a purity result we have catalogued (median 99.82%).

Tested 2025-07-29 by Janoshik via HPLC. This test is newer than 21% of our catalogued Tirzepatide certificates.

Manufacturer
Rx Private testing group
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
Dose
40mg
Catalogued
2026-04-24
Artifact hash
48a24b034435d89e…
OCR text Raw extracted text

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

{"peptide": "Tirzepatide", "dose": "40mg", "purity_pct": 99.807, "purity_label": "99.807%", "method": "HPLC", "test_date": "2025-07-29", "client": "Rx Private testing group", "notes": "", "label_qty": "40mg", "tested_qty": "44.39mg", "quantity_deviation_pct": 10.975, "is_blend": false, "components_json": "", "ocr_confidence": 0.98}
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This certificate is part of TitrateLab's community-trust corpus. See more from Rx Private testing group or learn how trust scores are computed on the methodology page. New to lab reports? How to read a COA →