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 · 99.741%
Dose vs label +5.8% Over the labeled dose
Evidence Artifact captured Trust: medium
AI summary Third-party lab

Janoshik tested this retatrutide at 99.741% purity via HPLC. The quantity tested was 10.58mg, showing a 5.8% deviation from the 10mg label. The test date is September 25, 2023, making it stale (over 2 years old), and endotoxin status is unknown. Customers can cross-check on the lab's public verification URL.

Watch out for
  • no endotoxin test
  • stale (2+ years old)
  • quantity deviation (5.8%)
Test date
2023-09-25
Testing lab
Janoshik
Batch / lot
Quantity
10.58mg
label 10mg · tested 10.58mg
Endotoxins
Assay method
HPLC
Label dose
10mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.74% ranks higher than 35% of the 9821 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2023-09-25 by Janoshik via HPLC. This test is newer than 0% 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
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Janoshik (public)

Artifact captured

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Method
HPLC
Dose
10mg
Catalogued
2026-04-24
Artifact hash
5e406c72f23567f4…
OCR text Raw extracted text

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

{"peptide": "Retatrutide", "dose": "10mg", "purity_pct": 99.741, "purity_label": "99.741%", "method": "HPLC", "test_date": "2023-09-25", "client": "Qingdao Sigma Chemical Co., Ltd", "notes": "", "label_qty": "10mg", "tested_qty": "10.58mg", "quantity_deviation_pct": 5.8, "is_blend": false, "components_json": "", "ocr_confidence": 0.98}
Related

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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 →