gas molecular entity carbon dioxide 43.990 44.00950 A one-carbon compound with formula CO2 in which the carbon is attached to each oxygen atom by a double bond. A colourless, odourless gas under normal conditions, it is produced during respiration by all animals, fungi and microorganisms that depend directly or indirectly on living or decaying plants for food. Beilstein:1900390 CARBON DIOXIDE CAS:124-38-9 CHEBI:13282 CHEBI:13283 CHEBI:13284 CHEBI:13285 CHEBI:16526 CHEBI:23011 CHEBI:3283 CHEBI:48829 CO2 CO2 CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Drug_Central:4256 E 290 E-290 E290 Gmelin:989 HMDB:HMDB0001967 InChI=1S/CO2/c2-1-3 KEGG:C00011 KEGG:D00004 MetaCyc:CARBON-DIOXIDE MolBase:752 O=C=O PDBeChem:CO2 PMID:10826146 PMID:11094503 PMID:11584085 PMID:11802652 PMID:14639145 PMID:15050588 PMID:16591971 PMID:16656478 PMID:16659660 PMID:17190796 PMID:17448243 PMID:17878298 PMID:17884085 PMID:19043767 PMID:19259576 PMID:19854893 PMID:23384758 PMID:23828359 PMID:24258718 PMID:8482095 PMID:8818713 PMID:8869828 PMID:9611769 PMID:9730350 R-744 Reaxys:1900390 UM-BBD_compID:c0131 Wikipedia:Carbon_dioxide [CO2] carbon dioxide carbonic anhydride chebi_ontology dioxidocarbon carbon oxide one-carbon compound