{"Abbreviation":["N-(2C-B)-Fentanyl"],"Aliases":["N-(1-(4-Bromo-2,5-dimethoxyphenethyl)piperidin-4-yl)-N-phenylpropionamide","N-(2C-B) Fentanyl","2',5'-Dimethoxy 4'-bromo fentanyl"],"ChemicalClasses":["phenethylpiperidine"],"Chirality":"achiral","Classes":["Opioid"],"DTXSID":"101342107","Erowid Experience Reports":[],"Esters":[],"Formating":[],"HeavyAtomCount":30,"IUPACName":"N-[1-[2-(4-bromo-2,5-dimethoxyphenyl)ethyl]piperidin-4-yl]-N-phenylpropanamide","InChI":"InChI=1S/C24H31BrN2O3/c1-4-24(28)27(19-8-6-5-7-9-19)20-11-14-26(15-12-20)13-10-18-16-23(30-3)21(25)17-22(18)29-2/h5-9,16-17,20H,4,10-15H2,1-3H3","InChIKey":"IWJDXHKRMXYRFD-UHFFFAOYSA-N","MeSH Headers":[],"MolecularFormula":"C\u003csub\u003e24\u003c/sub\u003eH\u003csub\u003e31\u003c/sub\u003eBrN\u003csub\u003e2\u003c/sub\u003eO\u003csub\u003e3\u003c/sub\u003e","MolecularWeight":"475.4 g/mol","PubChemId":165361468,"PubChemTitle":"N-(1-(4-Bromo-2,5-dimethoxyphenethyl)piperidin-4-yl)-N-phenylpropionamide","Reagents":[],"Records":{"UNII":{"Impurities":[]}},"RefCount":3,"RefCur":"","References":[{"Name":"Wikidata","Urls":[{"Link":"https://www.wikidata.org/wiki/Q116482976","Name":"2',5'-Dimethoxy-4'-bromo-fentanyl","Sub":false}]},{"Name":"PubChem","Urls":[{"Link":"https://pubchem.ncbi.nlm.nih.gov/compound/165361468","Name":"2',5'-Dimethoxy-4'-bromo-fentanyl","Sub":false}]},{"Name":"UNII","Urls":[{"Link":"https://gsrs.ncats.nih.gov/ginas/app/ui/substances/HGQ49M8PJ2","Name":"2',5'-Dimethoxy-4'-bromo-fentanyl","Sub":false}]},{"Name":"EPA DSSTox","Urls":[{"Link":"https://comptox.epa.gov/dashboard/chemical/details/DTXSID101342107","Name":"2',5'-Dimethoxy-4'-bromo-fentanyl","Sub":false}]}],"Refs":["National Center for Biotechnology Information. PubChem Compound Summary for CID 165361468, 2',5'-Dimethoxy-4'-bromo-fentanyl. Accessed May 24, 2026. \u003ca href=https://pubchem.ncbi.nlm.nih.gov/compound/165361468\u003ehttps://pubchem.ncbi.nlm.nih.gov/compound/165361468\u003c/a\u003e","U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. 2',5'-Dimethoxy-4'-bromo-fentanyl. UNII: HGQ49M8PJ2. Global Substance Registration System. 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constriction","Stomach cramp","Difficulty urinating"],"Visual Effects":["Double vision"]},"Title":"2',5'-Dimethoxy-4'-bromo-fentanyl","UNII":"HGQ49M8PJ2","Wikidata":"Q116482976","XLogP":4.9}