4-MTA

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4MT structure

4-methylthioamphetamine is a drug known as 4MT, 4-MTA, "Flatliners" or 1-(4-methylthiophenyl)-2-aminopropane. Its CAS number is 14116-06-04. 4-MTA is currently a Class A drug in the United Kingdom although it has been suggested it be rescheduled as a Class B drug.^[1]

4-MTA is a stimulant and strong serotonin releaser, similar to paramethoxyamphetamine but more dangerous, as it can cause pronounced hyperthermia which can result in organ failure and death. The subjective effects of 4MT are primarily a long-lasting stimulant, with little euphoria. 4MT is also a MAO-A inhibitor, which may explain its tendency to cause death, as MAOI drugs are not generally considered safe to use with stimulants or serotonin releasers, and 4MT fits into all three categories. 4MT was briefly sold on the black market as MDMA during the late 1990s, mainly in Holland and the USA, but proved unpopular due to its high risk of severe side effects (several deaths were reported) and relative lack of positive MDMA-like euphoria.

[edit] References

^ ""I think 4MTA, LSD and ecstasy probably shouldn't be Class A," he said." from "Call for ecstasy to be downgraded", BBC News, Wednesday, 22 November 2006, 15:57 GMT