TitrateLab · Certificate of Analysis

Vardenafil — Qingdao Sigma ChemicalCertificate of Analysis · Independent third-party lab result

Purity Not reported This certificate did not report an HPLC purity figure.
Dose vs label +7.4% Over the labeled dose
Evidence Artifact captured Trust: low
AI summary Third-party lab

Janoshik performed qualitative and quantitative analysis on this Vardenafil sample, finding a tested quantity of 37.20mg against a 35mg label, a deviation of +6.29%. The COA does not report purity or endotoxin status, and the test 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
2024-10-16
Testing lab
Janoshik
Batch / lot
Quantity
37.20 mg; 37.62 mg; 37.00 mg; 38.51 mg.
label 35mg · tested 37.20 mg; 37.62 mg; 37.00 mg; 38.51 mg.
Endotoxins
Assay method
Label dose
35mg
Context

How this result compares

We have catalogued 9 Vardenafil certificates; across the 5 with a purity result the median tested purity is 99.87%.

Tested 2024-10-16 by Janoshik. This test is newer than 39% of our catalogued Vardenafil certificates.

Qingdao Sigma Chemical has 515 certificates in our corpus, including 1 for Vardenafil.

Manufacturer
Qingdao Sigma Chemical
View vendor profile
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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Dose
35mg
Catalogued
2026-04-24
Artifact hash
fd4c0ab86fe0f9c0…
Related

Other Vardenafil certificates

All Vardenafil results & stats
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 →