64923 <common-name>Isobutyryl fentanyl</common-name> <description>Isobutyryl fentanyl belongs to the fentanyls, a subclass of piperidines within the organic compounds. It is classified as an organoheterocyclic compound with the formula C23H30N2O1. The compound has an average molecular weight of 350.50 g/mol.</description> <cas>119618-70-1</cas> <pubchem-id>14402357</pubchem-id> <chemical-formula>C23H30N2O1</chemical-formula> <weight>350.5</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">2026-04-03T03:23:20Z</created-at> <updated-at type="dateTime">2026-08-30T19:31:04Z</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>CC(C)C(=O)N(C1CCN(CC1)CCC2=CC=CC=C2)C3=CC=CC=C3</moldb-smiles> <moldb-formula>C23H30N2O1</moldb-formula> <moldb-inchi>InChI=1S/C23H30N2O/c1-19(2)23(26)25(21-11-7-4-8-12-21)22-14-17-24(18-15-22)16-13-20-9-5-3-6-10-20/h3-12,19,22H,13-18H2,1-2H3</moldb-inchi> <moldb-inchikey>WRPFPNIHTOSMKU-UHFFFAOYSA-N</moldb-inchikey> <moldb-average-mass type="decimal" nil="true"/> <moldb-mono-mass type="decimal">350.235814</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>4.6</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>CHEM060816</chemdb-id> <dsstox-id nil="true"/> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id>NS00017207</susdat-id> <iupac>2-methyl-N-phenyl-N-[1-(2-phenylethyl)piperidin-4-yl]propanamide</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>Piperidines</klass> <subklass>Fentanyls</subklass> <paper-count type="integer">55</paper-count> <sync-id>CED0022802</sync-id> <structure-inchikey>WRPFPNIHTOSMKU-UHFFFAOYSA-N</structure-inchikey> <structure-fingerprint>4000001000000000000080000000000000000000000000000000002000000000000000108000000000000020000000000400000000000000000800000000000000000000000000000002000000000000002000000000000000000000000000000000000001400000000000000000400000000002010000000000000000000010000004104020000080800000000000400000000000010000000000100004000000000000000400000400000008000000000000000000000000a000000000000002000000000000000000000000000000000000000000000000000220000000010200000000000000000040000000000400000000000000000000000001000010</structure-fingerprint> 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