QSAR Toolbox extension broadens possibilities for animal-free chemicals assessment

Helsinki, 27 September 2022 - The OPERA extension contains models for predicting properties that are important for assessing chemical hazards. The extension can be used to screen chemical databases to identify substances that may cause endocrine disruption. It also helps users to estimate acute oral toxicity and other regulatory relevant properties. 

Developed by the US National Institute of Environmental Health Sciences (NIEHS), OPERA can predict properties related to the absorption, distribution and metabolism of substances that can strengthen read-across justifications and facilitate the regulatory use of in vitro test results.

The extension can be downloaded for free from the QSAR Toolbox Repository.

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