25B-NBF (2C-B-NBF, NBF-2C-B) is a derivative of the

phenethylamine Phenethylamine (PEA) is an organic compound, natural monoamine alkaloid, and trace amine, which acts as a central nervous system stimulant in humans. In the brain, phenethylamine regulates monoamine neurotransmission by binding to trace ami ...

hallucinogen Hallucinogens, also known as psychedelics, entheogens, or historically as psychotomimetics, are a large and diverse class of psychoactive drugs that can produce altered states of consciousness characterized by major alterations in thought, mo ...

2C-B 2C-B, also known as 4-bromo-2,5-dimethoxyphenethylamine or by the slang name Nexus, is a synthetic psychedelic drug of the 2C family, mainly used as a recreational drug. It was first synthesized by Alexander Shulgin in 1974 for use in psychoth ...

, which acts as a highly potent

partial agonist In pharmacology, partial agonists are drugs that bind to and activate a given Receptor (biochemistry), receptor, but have only partial Intrinsic activity, efficacy at the receptor relative to a full agonist. They may also be considered Ligand (bio ...

for the

human Humans (''Homo sapiens'') or modern humans are the most common and widespread species of primate, and the last surviving species of the genus ''Homo''. They are Hominidae, great apes characterized by their Prehistory of nakedness and clothing ...

5-HT_2A

receptor Receptor may refer to: * Sensory receptor, in physiology, any neurite structure that, on receiving environmental stimuli, produces an informative nerve impulse *Receptor (biochemistry), in biochemistry, a protein molecule that receives and respond ...

Legality

Sweden

The Riksdag added 25B-NBF to Narcotic Drugs Punishments Act under ''swedish schedule I'' (''"substances, plant materials and fungi which normally do not have medical use"'') as of January 26, 2016, published by Medical Products Agency (MPA) in regulation ''HSLF-FS 2015:35'' listed as 25B-NBF, and 2-(4-bromo-2,5-dimetoxifenyl)-N-(2-fluorobensyl)etanamin.

United Kingdom

Analogues and derivatives

References

{{Phenethylamines 2C (psychedelics) Designer drugs 2-Fluorophenyl compounds