Chemical Information from the Web R package webchem version 1.3.1 CRAN Task View: ChemPhys (https://CRAN.R-project.org/view=ChemPhys) Chemical information from around the web. This package interacts with a suite of web services for chemical information. Sources include: Alan Wood's Compendium of Pesticide Common Names, Chemical Identifier Resolver, ChEBI, Chemical Translation Service, ChemSpider, ETOX, Flavornet, NIST Chemistry WebBook, OPSIN, PubChem, SRS, Wikidata. Software Depends: R (>= 4.1.0) Imports: xml2, httr, rvest, jsonlite, stringr, methods, dplyr, purrr, data.tree, tibble, base64enc, rlang, utils Suggests: testthat, rcdk, covr, robotstxt, knitr, rmarkdown, plot.matrix, usethis, vcr (>= 0.6.0) Tamás Stirling <stirling.tamas@gmail.com> Comprehensive R Archive Network (CRAN) Eduard Szöcs [aut], Robert Allaway [ctb], Daniel Muench [ctb], Johannes Ranke [ctb], Andreas Scharmüller [ctb], Eric R Scott [ctb], Jan Stanstrup [ctb], João Vitor F Cavalcante [ctb], Gordon Getzinger [ctb], Ethan Bass [ctb], Tamás Stirling [ctb, cre] MIT + file LICENSE (https://CRAN.R-project.org/package=webchem/LICENSE) 2025-07-16 application/tgz https://CRAN.R-project.org/package=webchem doi:10.32614/CRAN.package.webchem