All Retatrutide Certificate of Analysis results— 9826 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.3% Purity — CathyCertificate of Analysis · Independent third-party lab result

Tested purity 99.3% High purity · 99.278%
Dose vs label +3.7% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide at 99.278% purity via HPLC. The tested quantity of 31.11mg showed a 3.7% deviation from the 30mg label. The test is recent (3-6 months old), and customers can cross-check on the lab's public verification URL. Endotoxin status is not reported.

Watch out for
  • no endotoxin test
  • unknown batch ID
Test date
2025-12-12
Testing lab
Janoshik
Batch / lot
Quantity
31.11mg
label 30mg · tested 31.11mg
Endotoxins
Assay method
HPLC
Label dose
30mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.28% ranks higher than 8% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-12-12 by Janoshik via HPLC. This test is newer than 32% of our catalogued Retatrutide certificates.

Cathy has 16 certificates in our corpus, including 5 for Retatrutide at a median tested purity of 99.28%.

Manufacturer
Cathy
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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
Dose
30mg
Catalogued
2026-04-22
Artifact hash
ff31ebf93682490f…
OCR text Raw extracted text

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

{"peptide": "Retatrutide", "dose": "30mg", "purity_pct": 99.278, "purity_label": "99.278%", "method": "HPLC", "test_date": "2025-12-12", "client": "Cathy", "notes": "", "label_qty": "30mg", "tested_qty": "31.11mg", "quantity_deviation_pct": 3.7, "is_blend": false, "components_json": "", "ocr_confidence": 0.98}
Related

Other Retatrutide certificates

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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 →