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1.
as a slang term this would refer to the classes of substances not yet scheduled by the DEA as dangerous drugs, usually and particularly but not limited to, the large groups of Tryptamine and Phenethylamine compounds known for their psychoactivity but that have somehow evaded explicit mention in the DEA schedule.

This list would include AMT alpha, 5-meo-DMT deemers, 5-meo-DIPT foxy, and other tryptamine compounds as well as phenthylamine compounds such as 2C-E, 2C-I, 2C-T7 and others.

It is perhaps worth noting that at one time in the past, drugs such as LSD-25, mescaline and MDMA had the status of "research chemical" for varying lengths of time before being used by the population with such frequency as to arouse the attention of the authorities.

see also rcs
q: you look way high dude. what are you on?
a: i took a couple research chemicals, specifically 4-Iodo-2,5-Dimethoxyphenethylamine and 4-Chloro-2,5-Dimethoxyphenethylamine. I had some 3,4,5 Trimethoxyamphetamine but Im saving that for a special occasion.
by vincent black shadow March 06, 2005
 
2.
A research chemical is a drug that fits into the category of a phenethylamine or Tryptamine. Almost all of them show some hallucinogenic qualities, and many are covered in Two books by Chemist Alexander Shulgin. These books are PiHKAL(Phenethylamines I Have Known And Loved) And TiHKAL(Tryptamines I Have Known And Loved).

Most Research chemicals are highly dose sensitive and can produce a wide variety of effects.

Research Chemical Examples

Some of the better known tryptamines are:
5-MeO-DMT
DMT
DPT
5-MeO-DIPT(Fox y Methoxy)
AMT
DIPT
LSD(ACID)

Some of the better known Phenethylamines are:
2C-B
2C-C
2C-E
2C-t-2
2C-t-7
DOC
DOM(STP)
DOI
DOB
MDA
MDMA(Esctasy )
by Mr. Booger July 09, 2006
 
3.
A research chemical is a drug that fits into the category of a phenethylamine or Tryptamine. Almost all of them show some hallucinogenic qualities, and many are covered in Two books by Chemist Alexander Shulgin. These books are PiHKAL(Phenethylamines I Have Known And Loved) And TiHKAL(Tryptamines I Have Known And Loved).

Some of the better known tryptamines are:
5-MeO-DMT
DMT
DPT
5-MeO-DIPT(Foxy Methoxy)
AMT
DIPT
LSD(ACID)

Some of the better known Phenethylamines are:
2C-B
2C-C
2C-E
2C-t-2
2C-t-7
DOC
DOM(STP)
DOI
DOB
MDA
MDMA(Esctasy)

Most Research chemicals are highly dose sensitive and can produce a wide variety of effects.
by Booger Face July 07, 2006