ortho-dot ortho-dot ortho-dot, or 4,5-dimethoxy-2-methylthioamphetamine, is a lesser-known psychedelic drug. ortho-dot was first synthesized by alexander shulgin. in his book pihkal (phenethylamines i have known and loved), neither the dosage nor the duration are known. ortho-dot produces few to no effects. very little data exists about the pharmacological properties, metabolism, and toxicity of ortho-dot. ortho-dot names preferred iupac name 1-propan-2-amine other names (±)-1-propan-2-amine identifiers cas number 79440-51-0 y 3d model (jsmol) interactive image chembl chembl31077 y chemspider 127831 y pubchem cid 144890 unii fql7h4ov45 y comptox dashboard (epa) dtxsid001000471 inchi inchi=1s/c12h19no2s/c1-8(13)5-9-6-10(14-2)11(15-3)7-12(9)16-4/h6-8h,5,13h2,1-4h3 ykey: gquwsndodzthkc-uhfffaoysa-n yinchi=1/c12h19no2s/c1-8(13)5-9-6-10(14-2)11(15-3)7-12(9)16-4/h6-8h,5,13h2,1-4h3key: gquwsndodzthkc-uhfffaoyap smiles s(c1cc(oc)c(oc)cc1cc(n)c)c properties chemical formula c12h19no2s molar mass 241.350 g/mol 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