methyl-dma methyl-dma methyl-dma (2,5-dimethoxy-n-methylamphetamine) is a lesser-known psychedelic drug and substituted methamphetamine. it was first synthesized by alexander shulgin. in his book pihkal, the minimum dosage is listed as 250 mg, and the duration unknown. methyl-dma produces slight paresthesia. very little data exists about the pharmacological properties, metabolism, and toxicity of methyl-dma. methyl-dma names preferred iupac name 1-(2,5-dimethoxyphenyl)-n-methylpropan-2-amine identifiers cas number 54687-43-3 y 3d model (jsmol) interactive image chemspider 2310630 y pubchem cid 3048401 unii 3enr33265e y comptox dashboard (epa) dtxsid30388848 inchi inchi=1s/c12h19no2/c1-9(13-2)7-10-8-11(14-3)5-6-12(10)15-4/h5-6,8-9,13h,7h2,1-4h3 ykey: rsdbpmoxipctpn-uhfffaoysa-n yinchi=1/c12h19no2/c1-9(13-2)7-10-8-11(14-3)5-6-12(10)15-4/h5-6,8-9,13h,7h2,1-4h3key: rsdbpmoxipctpn-uhfffaoyaq smiles o(c1ccc(oc)cc1cc(nc)c)c properties chemical formula c12h19no2 molar mass 209.289 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