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

Retatrutide 99.7% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Tested purity 99.7% High purity · 99.708%
Dose vs label -7.5% Under the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide at 99.708% purity via HPLC. The tested quantity was 27.76mg against a 30mg label, a deviation of -7.47%. Endotoxin status is unknown. The test is older (6-12 months) and the batch ID is not specified. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • stale (6-12 months)
  • quantity deviation >5%
Test date
2025-10-29
Testing lab
Janoshik
Batch / lot
Quantity
27.76mg
label 30mg · tested 27.76mg
Endotoxins
Assay method
HPLC
Label dose
30mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.71% ranks higher than 31% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-10-29 by Janoshik via HPLC. This test is newer than 22% of our catalogued Retatrutide certificates.

Qingdao Sigma Chemical has 510 certificates in our corpus, including 48 for Retatrutide at a median tested purity of 99.61%.

Manufacturer
Qingdao Sigma Chemical
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
30mg
Catalogued
2026-04-24
Artifact hash
5a7873bf6c796f43…
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": 99.708, "purity_label": "99.708%", "method": "HPLC", "test_date": "2025-10-29", "client": "Telegram @tracyfromqsc", "notes": "", "label_qty": "30mg", "tested_qty": "27.76mg", "quantity_deviation_pct": -7.47, "is_blend": false, "components_json": "", "ocr_confidence": 0.95}
Related

Other Retatrutide certificates

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