asymbescaline asymbescaline asymbescaline (3,4-diethoxy-5-methoxyphenethylamine) is a lesser-known psychedelic drug. it is a homolog of mescaline. asymbescaline was first synthesized by alexander shulgin. in his book pihkal, the dosage range is listed as 200–280 mg, and the duration listed as 10–15 hours. asymbescaline produces few to no effects. very little data exists about the pharmacological properties, metabolism, and toxicity of asymbescaline. asymbescaline names preferred iupac name 2-(3,4-diethoxy-5-methoxyphenyl)ethan-1-amine other names 3,4-diethoxy-5-methoxyphenethylamine identifiers cas number 63918-08-1 y 3d model (jsmol) interactive image chembl chembl124125 y chemspider 41279 y pubchem cid 45367 unii f5h6z6vq2z y comptox dashboard (epa) dtxsid20213690 inchi inchi=1s/c13h21no3/c1-4-16-12-9-10(6-7-14)8-11(15-3)13(12)17-5-2/h8-9h,4-7,14h2,1-3h3 ykey: vfoavfqwzyufqz-uhfffaoysa-n yinchi=1/c13h21no3/c1-4-16-12-9-10(6-7-14)8-11(15-3)13(12)17-5-2/h8-9h,4-7,14h2,1-3h3key: vfoavfqwzyufqz-uhfffaoyai smiles o(c1c(oc)cc(cc1occ)ccn)cc properties chemical formula c13h21no3 molar mass 239.315 g·mol−1 except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). y verify (what is yn ?) infobox references