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

Retatrutide 99.5% Purity — HomopeptideCertificate of Analysis · Independent third-party lab result

Tested purity 99.5% High purity · 99.548%
Dose vs label +0.5% Essentially at label
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide at 99.548% purity via HPLC. Quantity matched the 20mg label within 1% (20.10mg tested). The test is recent (3-6 months old). However, no endotoxin test results were reported, and the batch ID is unknown. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • unknown batch ID
Test date
2026-01-29
Testing lab
Janoshik
Batch / lot
Quantity
20.10mg
label 20mg · tested 20.10mg
Endotoxins
Assay method
HPLC
Label dose
20mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.55% ranks higher than 17% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-01-29 by Janoshik via HPLC. This test is newer than 45% of our catalogued Retatrutide certificates.

Homopeptide has 103 certificates in our corpus, including 19 for Retatrutide at a median tested purity of 99.56%.

Manufacturer
Homopeptide
View vendor profile
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.

Verify on the upstream lab
Method
HPLC
Dose
20mg
Catalogued
2026-04-22
Artifact hash
f21e8b9111bbfb8e…
OCR text Raw extracted text

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

{"peptide": "Retatrutide", "dose": "20mg", "purity_pct": 99.548, "purity_label": "99.548%", "method": "HPLC", "test_date": "2026-01-29", "client": "Homopeptide.com", "notes": "", "label_qty": "20mg", "tested_qty": "20.10mg", "quantity_deviation_pct": 0.5, "is_blend": false, "components_json": "", "ocr_confidence": 0.98}
Related

Other Retatrutide certificates

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