metaproscaline metaproscaline metaproscaline, or 3,4-dimethoxy-5-propoxyphenethylamine, is a lesser-known psychedelic drug. it is an analog of proscaline. metaproscaline was first synthesized by alexander shulgin. in his book pihkal (phenethylamines i have known and loved), the dosage and the duration are unknown. metaproscaline produces few to no effects. very little data exists about the pharmacological properties, metabolism, and toxicity of metaproscaline. metaproscaline names iupac name 2-(3,4-dimethoxy-5-propoxyphenyl)ethanamine identifiers cas number 90132-33-5 y 3d model (jsmol) interactive image chembl chembl161588 y chemspider 21106345 y pubchem cid 44375097 unii be9ptc7j7p y comptox dashboard (epa) dtxsid10658556 inchi inchi=1s/c13h21no3/c1-4-7-17-12-9-10(5-6-14)8-11(15-2)13(12)16-3/h8-9h,4-7,14h2,1-3h3 ykey: lrmheqaatqtvri-uhfffaoysa-n yinchi=1/c13h21no3/c1-4-7-17-12-9-10(5-6-14)8-11(15-2)13(12)16-3/h8-9h,4-7,14h2,1-3h3key: lrmheqaatqtvri-uhfffaoyas smiles coc1c(cc(cc1occc)ccn)oc properties chemical formula c13h21no3 molar mass 239.311 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