Recently published citation metrics from Clarivate and Scopus show that ACS Publications’ journals continue to be the most cited journals in chemistry. Clarivate’s 2021 Web of Science ™ Journal Citation Reports ™ showed that our journals had a 2-year median impact factor of 5.097, up 14% from last year’s report. Data from Scopus showed that the average ACS Publications magazine has a CiteScore of 10.6. These two independent metrics reflect citations within a defined number of years for articles published within a defined period of time.

The total number of citations has meanwhile increased by more than 550,000. This corresponds to an increase of more than 15% in the entire portfolio. The number of citations for each journal from ACS Publications increased year over year as the number of articles published also rose to 58,974 and usage among ACS readers rose to nearly 170 million article downloads.

As a result, ACS journals were named the most cited or most effective in 10 categories, including five of the seven main categories of chemistry: chemistry, analytics; Chemistry, Inorganic & Nuclear; Chemistry, medicine; Chemistry, multidisciplinary; and chemistry, organic.

Highlights from the latest Journal Citation Reports ™ include:

  • The Journal of the American Chemical Society (JACS), ACS ‘flagship journal, remains the most cited journal in chemistry with a total of 609,263 citations and a Journal Impact Factor ™ of 15,419.
  • Chemical ratings remains the journal with the highest impact in the Chemistry, Multidisciplinary category with a Journal Impact Factor ™ of 60,622, over 220,000 citations and more than 6.3 million downloads.
  • ACS Nano received a Journal Impact Factor ™ of 15,881, nearly 200,000 citations and over 8 million downloads.
  • Chemical Research Accounts achieved a Journal Impact Factor ™ of 22,384.
  • The Agricultural and Food Chemistry Journal was again the most cited journal in the Agriculture, Multidisciplinary category with 144,020 citations.
  • With 156,738 citations, Analytical chemistry was again the most cited journal in the chemistry, analytics category.
  • Inorganic chemistry again led the chemistry, inorganic & nuclear technology category with 103,059 citations, and the Journal of Medicinal Chemistry remained the most cited journal in the chemistry, medicine category with 85,946 citations.
  • Crystal growth & design remained the most cited journal in the crystallography category with 33,973 citations.
  • Organic letters remained the most frequently cited in the Chemistry, Organic category with 107,262 citations.
  • Macromolecules maintained its position as the most cited journal in the Polymer Science category with 111,371 citations.
  • Environmental science and technology remained the most cited journal in the engineering, environmental and environmental sciences categories with a record of 217,954 citations, outperforming the competition.
  • ACS Central Science, the first fully open access journal from ACS, achieved a Journal Impact Factor ™ of 14,553 with over 11,000 citations and over 2 million article downloads.
  • ACS OmegaJournal’s Journal Impact Factor ™ rose to 3,512 and the open access journal had over 23,000 citations, more than double the previous year.

To support additional applied materials research, ACS has expanded its journal portfolio in this area, and several of these journals have received their first Journal Impact Factor ™.

Several magazines founded in the last 10 years also reported strong numbers in the most recent report:

  • ACS catalysis, founded in 2011, received a Journal Impact Factor ™ of 13,084 and over 92,000 citations.
  • ACS macro letters, founded in 2012, achieved a Journal Impact Factor ™ of 6,903 with 13,599 citations6.9
  • ACS Sustainable Chemistry and Engineering, founded in 2013, received a Journal Impact Factor ™ of 8,198 and 62,273 citations, an increase of more than 50% over the previous year.
  • ACS energy letters, founded in 2016, saw the Journal Impact Factor ™ rise to 23,101.


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