ECHA has announced the release of the newest version (Version 2.3) of the OECD QSAR Toolbox for use in REACH and other regulatory actions. According to their press release, "the software helps registrants and authorities to use Quantitative Structure-Activity Relationship ((Q)SAR) methodologies to group chemicals into categories and to fill data gaps by read-across, trend analysis and to assess the (eco)toxicity hazards of chemicals under REACH. This helps to reduce costs and unnecessary testing on vertebrate animals."
While many chemicals do have existing or new data to meet many endpoints, they often have data gaps. QSARs can be used both to meet some data requirements and provide an estimate of certain properties that allows decision-making on whether new testing is needed.
For more information
see here.
The QSAR Toolbox and guidance documents can be
downloaded here.
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