Further advice on how to use QSARs for REACH registration

ECHA/NI/16/11

ECHA has updated its Practical Guide on How to use and report (Q)SARs with further advice and examples on using (quantitative) structure-activity relationships for registering under REACH.

Helsinki, 17 March 2016 – The updated guide includes, for example:

• Practical examples on how to check the reliability of QSAR predictions from some of the most commonly used QSAR software;
• Instructions on how to check that the conditions for adapting standard testing (Annex XI to REACH) are met; and
• A list of QSAR software that can be used to generate information related to REACH endpoints.

Translations of the guide in 22 EU languages will be available on ECHA's website later.

QSARs are theoretical models that can be used to predict the physico-chemical, biological and environmental fate properties of compounds based on their chemical structure.