Data source details

Lhasa Limited

Lhasa Limited is an active, scientific research organisation working to promote the use of computer aided reasoning in chemistry and the life sciences. Our areas of specialisation include the development of software for toxicology and metabolism prediction, and data management. Working closely with Lhasa Limited members and the broader scientific community, Lhasa continues to draw on over 30 years of experience to create user-friendly, state-of-the-art in silico prediction and database systems.

Lhasa Limited was founded on the basis of data and knowledge sharing. Building on its reputation as the eponymous ‘honest broker’, Lhasa Limited has continued to work on the basis of ‘shared knowledge, shared progress’ for more than 30 years. Over this time, Lhasa has regularly been trusted with proprietary data and this can be seen in the many successful consortia that we continue to be involved in. The sustained success of such consortia is demonstrative of how working with Lhasa has a positive impact on the research and development process of its members.

Lhasa’s products include:

  • Derek Nexus – the expert system for predicting toxicity
  • Sarah Nexus - a transparent statistical system for predicting mutagenicity
  • Vitic Nexus - for managing chemical data and information
  • Meteor Nexus - for predicting metabolic fate
  • Zeneth - for predicting forced degradation pathways.

More recently, Lhasa Limited has worked with members on the development of Mirabilis, a tool for assessing the relative purging of mutagenic impurities.

Please visit our website or get in touch for more information.


Lhasa Limited  

+44(0)113 394 6020  

+44(0)113 394 6099  

Granary Wharf House, 2 Canal Wharf  


West Yorkshire  

LS11 5PS  

United Kingdom 

Toxicology/Environmental Databases
Information Aggregators