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25th Anniversary of Molecules

The year 2020 marks the 25th anniversary of Molecules, a peer-reviewed open access journal of chemistry. Molecules has published more than 20,000 papers from more than 65,000 authors. More than 34,000 reviewers have submitted at least one review report. We value the contributions made by authors and reviewers. To celebrate this 25th anniversary, we are arranging a series of special content and events. We hope you can join us to celebrate this milestone of our journal and enjoy the collection below.

Development and Achievements

View the 25-year timeline infographic here. Trace the development of Molecules from its origins with remarkable events.

Molecules was launched

Molecules was launched by Dr. Lin in collaboration with Springer Verlag as one of the first electronic journals on chemistry.

Molecules published by MDPI

MDPI took over the publishing of Molecules from Springer Verlag and started to publish it as an open access journal.

Editor-in-Chief Dr. Esteban Pombo-Villar

Dr. Esteban Pombo-Villar took over as Editor-in-Chief of Molecules. Dr. Derek McPhee started working part-time as an Editorial Assistant to the Editor-in-Chief.

Editor-in-Chief Dr. Shu-Kun LIn

Dr. Shu-Kun Lin took over as Editor-in-Chief of Molecules.

Editor-in-Chief Dr. Derek McPhee

Dr. Derek McPhee accepted the role of Editor-in-Chief of Molecules after acting as Managing Director of the journal since 1999, while the former Editor-in-Chief Dr. Shu-Kun Lin held title of Publisher and Director of the Molecules Editorial Office.

Molecules celebrated its tenth anniversary

Papers were published in both non-Open Access (non-OA) and Open Access (OA) form.

Papers were published in both non-Open Access (non-OA) and Open Access (OA) form.

Molecules publishes exclusively in Open Access form

Molecules starts using DOIs for published articles

Molecules adds the Digital Object Identifier (DOI) numbers to each paper using the CrossRef system.

Molecules starts using Creative Commons licences

The Open Access logo is added and copyright is under the Creative Commons (CC) license v. 3.0.

The Section Metabolites was established

Molecules receives first impact factors

Molecules received an impact factor of 2.428 for the year 2012; the 5-year impact factor is 2.679.

Four new sections established

Four new sections, Green Chemistry, Photochemistry, Bioorganic Chemistry and Organometallic Chemistry were established.

Molecules published its 8,000 paper

Molecules published its 10,000 paper

The first Tu Youyou Award was announced

Molecules expanded the scope

Five new sections, Inorganic Chemistry, Physical Chemistry, Analytical Chemistry, Nanochemistry and Chemical Biology were established.

The 1st Molecules Medicinal Chemistry Symposium, organized by Molecules, was held.

Molecules expanded the scope

Two sections, Metabolites and Molecular Diversity were closed. At the same time, three new sections, Materials Chemistry, Electrochemistry and Macromolecular Chemistry were established.

High impact factor

Molecules received its highest impact factor of 3.098 for the year 2017; the 5-year impact factor is 3.268.

The second Tu Youyou Award was announced

Molecules started to be published semi-monthly online in January 2019

Molecules expanded the scope

Two new sections—Fragrances and Flavours, and Colorants—were established.

Molecules Reached 20,000 Articles Milestone

The 2nd Molecules Medicinal Chemistry Symposium, organized by Molecules, was held

Molecules Latest Impact Factor

Molecules received an impact factor of 3.267 for the year 2019; the 5-year impact factor is 3.589.

Molecules expanded the scope

Three new topical sections on Applied Chemistry, Molecular Structure and Molecular Liquids were set up.

Celebration Activities

Join Us



To celebrate the 25th anniversary of Molecules, we will expand our Editorial Board to gather experts in the area of chemistry. If you are interested in serving on the Editorial Board, please send your full academic CV and a short cover letter that details your interest and enthusiasm for the position to [email protected]

Best Paper Award



In 2020, we are celebrating the 25th anniversary of our journal Molecules. In recognition of our authors’ continued support, Molecules is pleased to announce that the Molecules 2020 Best Paper Awards for Anniversary Special Issues” will be launched and granted to the best papers published in the “Anniversary Special Issues”.

Anniversary Special Issues

To celebrate the 25th anniversary of our journal Molecules, we launched a series of Anniversary Special Issues. For more details, please click here.

Collection of Excellent Works

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