131818 <common-name>Fosnetupitant</common-name> <description>Fosnetupitant is an organic compound with the formula C31H35F6N4O5P. Fosnetupitant belongs to the piperazines, a subclass of diazinanes within the organic compounds. With an average molecular weight of 688.61 g/mol, Fosnetupitant is a heavy molecule. This organoheterocyclic compound acts as an antagonist of the Substance-P receptor (TACR1).</description> <cas>1703748-89-3</cas> <pubchem-id>71544786</pubchem-id> <chemical-formula>C31H35F6N4O5P</chemical-formula> <weight nil="true"/> <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">2026-04-06T16:43:12Z</created-at> <updated-at type="dateTime">2026-05-14T19:39:32Z</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>DB14019</drugbank-id> <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>CN(C(=O)C(C)(C)C1=CC(=CC(=C1)C(F)(F)F)C(F)(F)F)C1=CN=C(C=C1C1=CC=CC=C1C)N1CC[N+](C)(COP(O)([O-])=O)CC1</moldb-smiles> <moldb-formula>C31H35F6N4O5P</moldb-formula> <moldb-inchi>InChI=1S/C31H35F6N4O5P/c1-20-8-6-7-9-24(20)25-17-27(40-10-12-41(5,13-11-40)19-46-47(43,44)45)38-18-26(25)39(4)28(42)29(2,3)21-14-22(30(32,33)34)16-23(15-21)31(35,36)37/h6-9,14-18H,10-13,19H2,1-5H3,(H-,43,44,45)</moldb-inchi> <moldb-inchikey>HZIYEEMJNBKMJH-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal">688.608</moldb-average-mass> <moldb-mono-mass type="decimal">688.224926219</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>0.8</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>CHEM127711</chemdb-id> <dsstox-id>DTXSID601027641</dsstox-id> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00133764</susdat-id> <iupac>[4-[5-[[2-[3,5-bis(trifluoromethyl)phenyl]-2-methylpropanoyl]-methylamino]-4-(2-methylphenyl)pyridin-2-yl]-1-methylpiperazin-1-ium-1-yl]methyl hydrogen phosphate</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>Diazinanes</klass> <subklass>Piperazines</subklass> <paper-count type="integer">120</paper-count> <sync-id>CED0018010</sync-id> <structure-inchikey>HZIYEEMJNBKMJH-UHFFFAOYSA-N</structure-inchikey> 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