thiobuscaline thiobuscaline thiobuscaline, or 3,5-dimethoxy-4-butylthiophenethylamine]], is a lesser-known psychedelic drug. thiobuscaline names preferred iupac name 2-ethan-1-amine identifiers cas number 90109-57-2 y 3d model (jsmol) interactive image chembl chembl123840 y chemspider 21106390 y pubchem cid 44349865 unii 45zts7gx2f comptox dashboard (epa) dtxsid80658366 inchi inchi=1s/c14h23no2s/c1-4-5-8-18-14-12(16-2)9-11(6-7-15)10-13(14)17-3/h9-10h,4-8,15h2,1-3h3 ykey: cpnwmhcbhuxito-uhfffaoysa-n yinchi=1/c14h23no2s/c1-4-5-8-18-14-12(16-2)9-11(6-7-15)10-13(14)17-3/h9-10h,4-8,15h2,1-3h3key: cpnwmhcbhuxito-uhfffaoyak smiles coc1cc(cc(oc)c1scccc)ccn properties chemical formula c14h23no2s molar mass 269.40 g·mol−1 except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). n verify (what is yn ?) infobox references history it is an analog of buscaline. thiobuscaline was first synthesized by alexander shulgin. in his book pihkal (phenethylamines i have known and loved), the dosage range is listed as 60–120 mg, and the duration is listed as 8 hours. thiobuscaline is an entheogen, and it causes a threshold. very little data exists about the pharmacological properties, metabolism, and toxicity of thiobuscaline.