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  • Psychedelic, Tryptamine, Synthetic
Main effects:
  • Comparable to other psychedelic tryptamines (e.g. psilocin, 4-aco-DMT): Open/closed-eye visuals, Distorted sense of time, Philosophical insights, Possible ego-loss or contact with non-human entities
Side effects:
  • There are anecdotal reports of body tremors and elevated heart rate. Anxiety, confusion, and motor impairment are among possible side effects as with many psychedelics.

Brief overview - What is 4-HO-MiPT?

4-hydroxy-N,N-methyl-isopropyltryptamine, aka Miprocin; is a synthetic psychedelic tryptamine.

Miprocin was first synthesized by Alexander Shulgin as detailed in his book TiHKAL. It has a short history of human use and should be approached cautiously. No deaths have been reported, though some users report elevated heart rate and body tremors. There is no evidence of physical dependence. Miprocin is an analog of psilocin (4-HO-DMT) and is described as being similar in effect.

Chemical and physical properties

Miprocin or 4-hydroxy-N,N-methyl-isopropyltryptamine


CAS number - 77872-43-6

ChemSpider - 8258221

Chemical data

Formula - C14H20N20

Mol. mass - 232.32 g/mol

Dosages and consumption methods

The doses presented here are from erowid.org and are, in their words, "EXTREMELY tentative." They conveniently follow the doses described in TiHKAL, however, and should serve as a reliable indicator of what to expect in terms of intensity. In any case it is always best to start with smaller doses and work your way up incrementally in future experiments.

Miprocin is generally taken orally, though there are reports of insufflation, but the proper dosing guideline for this route is more speculative than by mouth.


Duration - 2-3 hours, + 1-4 hours of after effects.

Threshold - 5-10 mg

Light - 9-14 mg

Common - 13-20 mg

Strong - 18-30 mg