beatrice (psychedelic) beatrice (psychedelic) beatrice (also known as mdo-d, mdom, béa and 4-methyl-2,5-dimethoxymethamphetamine) is a lesser-known psychedelic drug. it is a substituted methamphetamine and a homolog of 2,5-dimethoxy-4-methylamphetamine (dom). beatrice was first synthesized by alexander shulgin. in his book pihkal, the minimum dosage is listed as 30 mg, and the duration listed as 6–10 hours. beatrice produces a vague feeling of openness and receptiveness, and causes a stimulative effect. it also causes diarrhea. very little data exists about the pharmacological properties, metabolism, and toxicity of beatrice. beatrice names preferred iupac name 1-(2,5-dimethoxy-4-methylphenyl)-n-methylpropan-2-amine other names 4-methyl-2,5-dimethoxy-methamphetamine2-(4-methyl-2,5-dimethoxyphenyl)ethan-alpha,n-methylamine identifiers cas number 92206-37-6 y 3d model (jsmol) interactive image chembl chembl19044 y chemspider 184247 y pubchem cid 212480 unii 4tm7a9w7kw y comptox dashboard (epa) dtxsid20947125 inchi inchi=1s/c13h21no2/c1-9-6-13(16-5)11(7-10(2)14-3)8-12(9)15-4/h6,8,10,14h,7h2,1-5h3 ykey: iwygvdbzcscjgt-uhfffaoysa-n y smiles o(c1cc(c(oc)cc1cc(nc)c)c)c properties chemical formula c13h21no2 molar mass 223.316 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 legal status in the u.s., this substance is a schedule 1 isomer of doet.