125738 <common-name>8-Hydroxy-ondansetron</common-name> <description>8-Hydroxy-ondansetron is an organic compound with the formula C18H19N3O2 and an average molecular weight of 309.40 g/mol. 8-Hydroxy-ondansetron belongs to the carbazoles, a subclass of indoles and derivatives within the organic compounds. This compound is found in or released from 13 recorded sources across several diverse sectors. Within electrical and electronic equipment, it is associated with cell phones, capacitors, batteries, printed circuit boards, wires and cables, and one additional source. It is found in the textiles, leather and furnishings sector, specifically in carpets, rugs, and synthetic textiles. Other sources include food packaging from the food, food processing and cookware sector, and medical devices from the healthcare, pharmaceuticals and veterinary products sector. Additionally, it is identified in lubricants within both the energy, oil and gas sector and the industrial manufacturing and chemical processing sector, as well as one other sector. Recorded exposure routes for 8-hydroxy-ondansetron include oral, inhalation, and touch.</description> <cas>126671-71-4</cas> <pubchem-id>19734439</pubchem-id> <chemical-formula>C18H19N3O2</chemical-formula> <weight>309.4</weight> <appearance nil="true"/> <melting-point nil="true"/> <boiling-point nil="true"/> <density nil="true"/> <solubility nil="true"/> <specific-gravity nil="true"/> <flash-point nil="true"/> <vapour-pressure nil="true"/> <route-of-exposure nil="true"/> <target nil="true"/> <mechanism-of-toxicity nil="true"/> <metabolism nil="true"/> <toxicity nil="true"/> <lethaldose nil="true"/> <carcinogenicity nil="true"/> <use-source nil="true"/> <min-risk-level nil="true"/> <health-effects nil="true"/> <symptoms nil="true"/> <treatment nil="true"/> <created-at type="dateTime">2026-04-06T09:27:58Z</created-at> <updated-at type="dateTime">2026-08-20T00:08:56Z</updated-at> <interacting-proteins nil="true"/> <wikipedia nil="true"/> <uniprot-id nil="true"/> <kegg-compound-id nil="true"/> <omim-id nil="true"/> <chebi-id nil="true"/> <biocyc-id nil="true"/> <ctd-id nil="true"/> <stitch-id nil="true"/> <drugbank-id nil="true"/> <pdb-id nil="true"/> <actor-id nil="true"/> <organism nil="true"/> <export type="boolean">true</export> <metabolizing-proteins nil="true"/> <transporting-proteins nil="true"/> <moldb-smiles nil="true"/> <moldb-formula>C18H19N3O2</moldb-formula> <moldb-inchi>InChI=1S/C18H19N3O2/c1-11-19-8-9-21(11)10-12-6-7-14-16(18(12)23)13-4-3-5-15(22)17(13)20(14)2/h3-5,8-9,12,22H,6-7,10H2,1-2H3</moldb-inchi> <moldb-inchikey>XVDKMEPUFIAQFH-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal">309.4</moldb-average-mass> <moldb-mono-mass type="decimal">309.1477269</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>1.9</logp> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id nil="true"/> <structure-image-file-name nil="true"/> <structure-image-content-type nil="true"/> <structure-image-file-size type="integer" nil="true"/> <structure-image-updated-at type="dateTime" nil="true"/> <biodb-id nil="true"/> <synthesis-reference nil="true"/> <structure-image-caption nil="true"/> <chemdb-id>CHEM121631</chemdb-id> <dsstox-id nil="true"/> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00116716</susdat-id> <iupac>8-hydroxy-9-methyl-3-[(2-methylimidazol-1-yl)methyl]-2,3-dihydro-1H-carbazol-4-one</iupac> <moldb-polar-surface-area nil="true"/> <moldb-refractivity nil="true"/> <moldb-polarizability nil="true"/> <moldb-rotatable-bond-count nil="true"/> <moldb-acceptor-count nil="true"/> <moldb-donor-count nil="true"/> <moldb-pka-strongest-acidic nil="true"/> <moldb-pka-strongest-basic nil="true"/> <moldb-physiological-charge nil="true"/> <moldb-number-of-rings nil="true"/> <moldb-alogps-logp nil="true"/> <moldb-alogps-logs nil="true"/> <moldb-alogps-solubility nil="true"/> <kingdom>Organic compounds</kingdom> <superklass>Organoheterocyclic compounds</superklass> <klass>Indoles and derivatives</klass> <subklass>Carbazoles</subklass> <paper-count type="integer">1</paper-count> <sync-id>CED0058969</sync-id> <structure-inchikey nil="true"/> <structure-fingerprint nil="true"/> <structure-pattern-fingerprint nil="true"/> <structure-pickle type="binary" nil="true" encoding="base64"/> <structure-indexed-at type="dateTime" nil="true"/> </compound>