| 59.4% |  | United States |
| 8.7% |  | United Kingdom |
| 5% |  | Canada |
| 4% |  | Australia |
| 3.5% |  | Philippines |
| 2.6% |  | Netherlands |
| 2.4% |  | India |
| 1.6% |  | Germany |
| 1% |  | France |
| 0.7% |  | Poland |
| Today: | 206 |
| Yesterday: | 251 |
| This Week: | 206 |
| Last Week: | 2221 |
| This Month: | 4794 |
| Last Month: | 6796 |
| Total: | 129393 |
1. CHEMICAL DESCRIPTION
Written by EMCDDA | 
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| Reports - EMCDDA Report on the risks assessment of 4-MTA |
Drug Abuse
4-MTA is p-methylthioamphetamine also known as 4-methylthioamphetamine. 4-MTA may be
synthesised by chemical reactions similar to those used to produce MDA. Recognised precursors
include 4-methythiophenylacetic acid and 4-methylthiobenzaldehyde. Other reagents include
nitroethane and n-butylamine. 4-MTA was originally synthesised as a potential antidepressant but
at present it has no therapeutic use.
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