TOM, or methylthio-methyl-methoxyamphetamine, is a series of lesser-known psychedelic drugs and substituted amphetamines with the molecular formula C₁₂H₁₉NOS. 2-TOM and 5-TOM are the 2- and 5-methylthio analogs of 2,5-dimethoxy-4-methylamphetamine (DOM), respectively. They were first synthesized by Alexander Shulgin and described in his book PiHKAL.^[1][2] Very little is known about their dangers or toxicity.

2-TOM

• Dosage: 60–100 mg
• Duration: 8–10 hours
• Effects: strong closed-eye visuals upon listening to music

5-TOM

• Dosage: 30–50 mg
• Duration: 6–10 hours
• Effects: open and closed-eye visuals, psychedelia, hallucinations