All Retatrutide Certificate of Analysis results— 9814 COAs
TitrateLab · Certificate of Analysis

Retatrutide 99.6% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Tested purity 99.6% High purity · 99.610%
Dose vs label -10.5% Under the labeled dose
Evidence Artifact captured
AI summary

Retatrutide batch Black (QSC) tested at 99.61% purity with 44.73 mg actual fill against 50 mg label (−10.54% deviation). Janoshik analysis 08 DEC 2025.

Test date
2025-12-08
Testing lab
QSC
Batch / lot
Black
Quantity
44.73 mg
label 50mg · tested 44.73 mg
Endotoxins
Assay method
Label dose
50mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.61% ranks higher than 21% of the 9809 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2025-12-08 by QSC. This test is newer than 31% of our catalogued Retatrutide certificates.

Qingdao Sigma Chemical has 514 certificates in our corpus, including 52 for Retatrutide at a median tested purity of 99.69%.

Manufacturer
Qingdao Sigma Chemical
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Peptides on this report
Retatrutide
Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Community submission

Artifact captured

Submitted by distilled-oryx-12 +459

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Dose
50mg
Catalogued
2026-07-10
OCR text Raw extracted text

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

TEST REPORT JANOSHIK E-mail: [EMAIL_REDACTED] Web: www.janoshik.com Task Number #92007 Testing ordered > 01 DEC '25 Sample received > 04 DEC '25 Client Telegram @tracyfromqsc [NAME_REDACTED] 50mg Manufacturer QSC Batch Black Sample description > See picture or pictures attached. Tests requested > Assessment of a peptide vial or vials. Results > Retatrutide 44.73 mg Purity 99.610% Comments > Analysis conducted > 08 DEC 2025 Signature > Verify this test at www.janoshik.com/verify/ with the following unique key 35ITN73Q7Q6C
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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 →