| Oral, insufflation|
| US: Unscheduled but possible analog of Methylone or MDMA
Illegal in Hungary|
5-Methoxy-Methylone (also known as 2-A1MP and βk-MMDMA) is a chemical compound of the cathinone class which has been sold online as a designer drug. It is the beta-ketone version of 5-Methoxy-MDMA. The more common name 2-AIMP/2-A1MP does not appear to relate to the molecular structure. In comparison with methylone, the two compounds differ by the addition of a methoxy group at the 5th carbon atom of the aromatic ring. The toxicity of this compound is unknown.
5-Methoxy-Methylone is listed as an illegal drug under the name 2-A1MP in Hungary.