Toxys is a Dutch biotech company that provides innovative in vitro toxicity screening solutions to rapidly identify hazardous and potential carcinogenic properties of novel compounds during the early phases of product and drug development.


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Directions to Toxys

Toxys, Robert Boyleweg 4, Leiden

Our offices and labs are located at the Robert Boyleweg 4, Leiden (previously Nielsbohrweg 11-13) in the Biopartner 4 building. Currently the traffic situation is being changed at the Plesmanlaan and at the crossing between the Ehrenfestlaan and Einsteinweg – Google maps and navigation systems are not yet updated for these changes.

By Car

  • Cross the Plesmanlaan to the Ehrenfestweg
  • Go left to the Einsteinweg and follow until you have to go right to the Niels Bohrweg
  • Follow the Niels Bohrweg and go left
  • Directly left the Biopartner 4 building (blue building) can be found
  • You can park your car the the carpark directly in front of the biopartner 4 building

Public transportation
Please use this page to plan your journey