About

Artur V. Eshtukov-Shcheglov, Independent Researcher, Moscow

The code was written with the assistance of Claude Opus 5.5 (Anthropic) and was reviewed and tested by the author.

The checks run in your browser: Python (Pyodide) and RDKit (RDKit.js) are loaded from this site and run on your computer. Nothing is installed, and the descriptions and files you check are not sent anywhere.

Every report carries a verification code, computed from the tool version, the entries and the results. Checking the same entries with the same version gives the same code, so a saved report can be compared with a new check.