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webchem

Chemical Information from the Web

v1.3.1 · Jul 16, 2025 · MIT + file LICENSE

Description

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.

Downloads

CRAN

1.3K

Last 30 days

3181st

3.5K

Last 90 days

19K

Last year

Trend: +19% (30d vs prior 30d)

r2u CRAN

13

Last 30 days

62

Last 90 days

233

Last year

Trend: -48% (30d vs prior 30d)

autoCRAN

3

Last 7 days

14

Last 30 days

0

All-time

autoCRAN-only: this name is served only by autoCRAN, so the count is exact.

CRAN Check Status

13 OK
Show all 13 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK

Check History

OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

Reverse Dependencies (4)

suggests

Dependency Network

Dependencies Reverse dependencies xml2 httr rvest jsonlite stringr dplyr purrr data.tree tibble base64enc rlang MetabolomicsBasics REFT chemodiv ECOTOXr webchem

Version History

21 tracked
new 1.3.1 Mar 10, 2026
updated 1.3.1 ← 1.3.0 diff Jul 15, 2025
updated 1.3.0 ← 1.2.0 diff Jun 8, 2023
updated 1.2.0 ← 1.1.3 diff Nov 1, 2022
updated 1.1.3 ← 1.1.2 diff Jun 14, 2022
updated 1.1.2 ← 1.1.1 diff Dec 5, 2021
updated 1.1.1 ← 1.1.0 diff Feb 6, 2021
updated 1.1.0 ← 1.0.0 diff Oct 1, 2020
updated 1.0.0 ← 0.5.0 diff May 27, 2020
updated 0.5.0 ← 0.4.0 diff Mar 1, 2020
updated 0.4.0 ← 0.3.0 diff Apr 6, 2018
updated 0.3.0 ← 0.2 diff Oct 19, 2017
updated 0.2 ← 0.1.1.1 diff Mar 18, 2017
updated 0.1.1.1 ← 0.1.0.0 diff Nov 17, 2016
updated 0.1.0.0 ← 0.0.5.0 diff Mar 2, 2016