As part of the support and development of a project to provide access to electronic scientific resources of state scientific and educational organizations of the Russian Federation, Clarivate, together with the Russian Foundation for Basic Research, announces the opening of test access to the Russian Science Citation Index. Access will be open from 10/26/2020 to 12/31/2020. Russian Science Citation Index (RSCI) is a database of the most influential scientific journals in Russian on the Web of Science platform, a joint project of Clarivate and the Scientific Electronic Library (eLibrary.ru). Today this database contains information about publications in almost 800 leading scientific journals in Russian in all areas of science.