The OECD has launched version 4.3 of the QSAR Toolbox, a software application used to fill data gaps needed for assessing the hazards of individual chemicals. Version 4.3 has several new features, including:

  • 2 new databases (pKa OASIS and ADME)
  • 5 new profilers (acute oral toxicity, blood brain barrier, oral absorption, skin permeability and  uncouplers)
  • 5 new methods for assessing pKa
  • 159 new (Q)SAR models
  • new functionalities (effectopedia wizard, stereo information, ChemID, (Q)SAR editor and public application program interface)

Organisation for Economic Co-operation and Development (2019). QSAR Toolbox version 4.3. Downloadable via:


The above items were taken from the March 2019 issue of Toxicology and Regulatory News which is sent automatically to members of bibra.

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