ChemRxiv

ChemRxiv (pronounced "chem archive"—the X represents the Greek letter chi [χ]) is an open access preprint archive for chemistry.^[1] It is operated by the American Chemical Society, Royal Society of Chemistry^[2] and German Chemical Society.^[3][4] The new preprint server was announced already in 2016,^[5][6] but was only opened online in 2017.^[7] Initially, editors of ACS journals were skeptical and only 80% of the editors allowed submissions to be uploaded to the preprint server in 2017.^[8] In 2019 the Chinese Chemical Society and the Chemical Society of Japan joined as co-owners of the preprint server.^[9][10]

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The initial reception of ChemRxiv was one of hesitation,^[6] with several major journals of the founding organizations initially unsupportive: Angewandte Chemie gave support in March 2018^[11] and JACS only gave support in August 2018.^[12] However, ChemRxiv received more than 1,000 submissions in the first eighteen months.,^[13] growing to 2,314 in 2019.^[10] Like other preprint servers, it saw a surge in COVID-19 preprints in 2020.^[14]