Ulrichsweb (Ulrich’s Periodicals Directory)  Ulrich's Periodicals Directory is a bibliographic database providing detailed, comprehensive, and authoritative information on serials published throughout the world. It covers all subjects, and includes publications that are published regularly or irregularly and are circulated free of charge or by paid subscription.

Chemical Abstracts  It is a source of chemical information. This organization abstracts and indexes chemical literature around the globe as “Chemical Abstracts.” Chemical Abstracts provides summaries and indexes of disclosures in recently published scientific documents.

 Russian Science Citation Index (RSCI) RSCI is a multidisciplinary database that aggregates bibliographic data on publications in Russian scientific journals.

RSCI (eLibrary)  Russian Science Citation Index (RSCI) —Russian Science Citation Index is a bibliographic database of scientific publications in Russian. It accumulates more than 2 million publications of Russian authors, as well as information about citing these publications from more than 6000 Russian journals.

In accordance with paragraph 5 of the rules for the formation of a list of peer-reviewed scientific publications in which the main scientific results of dissertations for the degree of candidate of science, for the degree of doctor of science (hereinafter the List), approved by the order of the Ministry of Education and Science of Russia dated December 12, 2016 No. 1586 (registered by the Ministry of Justice of Russia on April 26, 2017, registration number 46507), scientific publications included in the international abstract databases and citation systems Web of Science, Scopus, PubMed, MathSciNet, zbMA TH, Chemical Abstracts, Springer or GeoRef, are considered to be on the List. "Chemical Safety Science" journal (ISSN 2541-9811) is indexed in CAS and is therefore considered to be on the List. According to the Information Letter of the Higher Attestation Commission dated December 6, 2022 No. 0201198, publications included in international databases are equated to category K1 (https://vak.minobrnauki.gov.ru/uploader/loader?type=19&name=92685697002&f=21727).

Google Scolar   It is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. Google Scholar index includes most peer-reviewed online journals of Europe and America's largest scholarly publishers. It covers up to 90% of all the scientific information published in English.

DataCite   It is an international not-for-profit organization which aims to improve data citation in order to: establish easier access to research data on the Internet; increase acceptance of research data as legitimate, citable contributions to the scholarly record; support data archiving that will permit results to be verified and re-purposed for future study.

BASE    Bielefeld Academic Search Engine – is a multi-disciplinary search engine to scholarly internet resources, created by Bielefeld University Library in Bielefeld, Germany. It is based on free and open-source software such as Apache Solr and VuFind. It harvests OAI metadata from institutional repositories and other academic digital libraries that implement the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH), and then normalizes and indexes the data for searching.

ROAD   the Directory of Open Access scholarly Resources – is a service offered by the ISSN International Centre with the support of the Communication and Information Sector of UNESCO. Launched in December 2013, ROAD provides a free access to those ISSN bibliographic records which describe scholarly resources in Open Access: journals, monographic series, conference proceedings, academic repositories and scholarly blogs. These records, created by the ISSN Network (93 National Centres worldwide + the International Centre), are enriched by information extracted from indexing and abstracting databases, directories (DOAJ, Latindex, The Keepers registry) and journals indicators (Scopus).