All Retatrutide Certificate of Analysis results(10,454 COAs)
TitrateLab · Certificate of Analysis

Retatrutide 99.9% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Tested purity 99.9% High purity · 99.913%
Dose vs label No quantity measurement on this report.
Evidence Asserted only
Test date
2026-03-04
Testing lab
Janoshik
Batch / lot
110677
Quantity
Endotoxins
Assay method
Label dose
32.33mg
Context

How this result compares

This Retatrutide certificate's tested purity of 99.91% ranks higher than 79% of the 10449 Retatrutide certificates with a purity result we have catalogued (median 99.83%).

Tested 2026-03-04 by Janoshik. This test is newer than 55% of our catalogued Retatrutide certificates.

Qingdao Sigma Chemical has 515 certificates in our corpus, including 51 for Retatrutide at a median tested purity of 99.68%.

Manufacturer
Qingdao Sigma Chemical
View vendor profile
Source

Forum / Discord scrape

Asserted only
No verifiable evidence captured. This entry was added to our corpus from Forum / Discord scrape. We did not save the certificate image, did not hash an artifact, and the upstream URL (https://t.me/qsctgchannel/507) is either a domain root or absent — we cannot independently confirm this report existed. Treat as curator-asserted only.
Verify on the upstream lab
Dose
32.33mg
Catalogued
2026-05-21
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 #110677
Testing ordered > 23 FEB '26
Sample received > 27 FEB '26
Client osqe (@osqeBB on tg)
Sample R30 (US Warehouse)
Manufacturer QSC
[NAME_REDACTED] description >
See picture or pictures attached.
Tests requested >
[NAME_REDACTED] peptide blind test (Semaglutide, Tirzepatide and Retatrutide)
Results >
Retatrutide 32.33 mg
Purity 99.913%
Comments >
Analysis conducted > 04 MAR 2026
Signature >
Verify this test at www.janoshik.com/verify/ with the following unique key
QTQS865XJ68J
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 →