25c-nb3ome 25c-nb3ome 25c-nb3ome (2c-c-nb3ome, nb3ome-2c-c) is a derivative of the phenethylamine hallucinogen 2c-c, which acts as a highly potent partial agonist for the human 5-ht2a receptor. 25c-nb3omeclinical dataatc codenoneidentifiers iupac name 2-(4-chloro-2,5-dimethoxyphenyl)-n-ethanamine cas number1566571-34-3 ypubchem cid118796502chemspider52085462 yunii6nh04yn8ahchemical and physical dataformulac18h22clno3molar mass335.83 g·mol−13d model (jsmol)interactive image smiles coc1=cc=cc(=c1)cnccc2=cc(=c(c=c2oc)cl)oc inchi inchi=1s/c18h22clno3/c1-21-15-6-4-5-13(9-15)12-20-8-7-14-10-18(23-3)16(19)11-17(14)22-2/h4-6,9-11,20h,7-8,12h2,1-3h3key:cslnjuocjzceir-uhfffaoysa-n legality united kingdom this substance is a class a drug in the united kingdom as a result of the n-benzylphenethylamine catch-all clause in the misuse of drugs act 1971.