All Mesterolone Certificate of Analysis results— 41 COAs
TitrateLab · Certificate of Analysis

Mesterolone 96.0% Purity — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Tested purity 96.0% Acceptable purity · 96%+
Dose vs label No quantity measurement on this report.
Evidence Artifact captured
AI summary

Mesterolone batch C040 analyzed 3 JUL 2026 by Janoshik; 96% purity confirmed via anabolic steroid screening. Note: Mesterolone is not a peptide and falls outside tracked compound database.

Test date
2026-07-03
Testing lab
Unknown
Batch / lot
C040
Quantity
Endotoxins
Assay method
Context

How this result compares

We have catalogued 83 Mesterolone certificates; across the 4 with a purity result the median tested purity is 98.00%.

Tested 2026-07-03 by Unknown. This is the most recent Mesterolone certificate on file.

Qingdao Sigma Chemical has 514 certificates in our corpus, including 1 for Mesterolone at a median tested purity of 96.00%.

Manufacturer
Qingdao Sigma Chemical
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Certificate

Test report image

Certificate scan
Certificate scan as published.
Source

Community submission

Artifact captured

Submitted by distilled-oryx-12 +459

We have the certificate image — you can verify it loads from the upstream lab and matches the artifact shown here.

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 #202002 Testing ordered > 28 JUN '26 Sample received > 29 JUN '26
Client Telegram @tracyfromqsc Sample [NAME_REDACTED] C040
Sample description > See picture or pictures attached.
Tests requested > Blind common anabolic steroid and aromatase inhibitors screening - raws
Results > [QR code] Mesterolone 96%+
Comments >
Analysis conducted > 03 JUL 2026 Signature > [Signature image]
Verify this test at www.janoshik.com/verify/ with the following unique key QMTMXNCN57Q4
Related

Other Mesterolone certificates

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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 →