All Mesterolone Certificate of Analysis results(41 COAs)
TitrateLab · Certificate of Analysis

Mesterolone — Asteroid BiotechCertificate of Analysis · Independent third-party lab result

Purity Not reported This certificate did not report an HPLC purity figure.
Dose vs label 27.07 mg; 28.43 mg; 27.05 mg; 25.81 mg. · tested 27.07 mg; 28.43 mg; 27.05 mg; 25.81 mg.
Evidence Artifact captured Trust: low
AI summary Third-party lab

Janoshik tested this Mesterolone sample, noting multiple measurements (27.07 mg, 28.43 mg, 27.05 mg, 25.81 mg) which may indicate replicate analyses or batch variance. The COA lacks purity and endotoxin results, and the test date is stale (over a year old). Customers can cross-check on the lab's public verification URL.

Watch out for
  • no purity test
  • no endotoxin test
  • stale (1+ years old)
Test date
2024-10-23
Testing lab
Janoshik
Batch / lot
Quantity
27.07 mg; 28.43 mg; 27.05 mg; 25.81 mg.
Endotoxins
Assay method
Context

How this result compares

We have catalogued 84 Mesterolone certificates; across the 4 with a purity result the median tested purity is 98.00%.

Tested 2024-10-23 by Janoshik. This test is newer than 74% of our catalogued Mesterolone certificates.

Asteroid Biotech has 24 certificates in our corpus, including 1 for Mesterolone.

Manufacturer
Asteroid Biotech
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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.

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Catalogued
2026-04-22
Artifact hash
0488746963a8cd71…
Related

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