Saturday, April 29, 2017
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2cbfly2C-B-FLY is Unscheduled in the United States. It is a gray area in the law because it may be illegal under the federal analog act.

Addictive Potential: Unknown

Emergency Room Visits Yearly: Unknown

Mandatory Minimum Sentence: Unknown

Mechanism of Action: 5-HT(2A) receptor agonist


2C-B-FLY, or 1-(8-Bromo-2,3,6,7-tetrahydrobenzo[1,2-b;4,5-b9]difuran-4-yl)2-aminoethane, is a psychedelic phenethylamine of the 2C family. Alexander Shulgin lists the dosage of 2C-B-FLY at 10 mg orally (Shulgin, 2004). It is reported to produce psychedelic effects that last 6 to 12 hours. At present, none of the FLY compounds are formally controlled in the United States. However, their core structures are highly similar to the Schedule I hallucinogens 2C-B and DOB. For this reason, they could potentially be prosecuted under the tenets of the Federal Analog Act.

Substance Identification:

       Marquis Reagent      
2C-B-FLY Yellow

(Info provided by Erowid, 2009)

Side Effects & Adverse Reactions:

There is limited empirical data about the side effects, adverse reactions, long term damage, and/or addiction potential of 2C-B-FLY. According to Erowid (2010), some of the potential negative effects include:

  • uncomfortable changes in body temperature
  • dry mouth
  • nausea and/or vomiting
  • tension and muscle twitching
  • headache
  • confusion, difficulty concentrating, and problems with activities requiring linear focus
  • insomnia
  • unwanted and overwhelming feelings
  • unpleasant visions
  • very elevated heart rate
  • paranoia, fear, and panic

Remember, research chemicals are experimental chemicals that are not approved for human consumption. This is because not enough data exists currently about their effects in humans. Although some people are willing to ingest the research chemical 2C-B-FLY, it is unreasonable to assume that it is in any way safe to use recreationally.

Deaths & Overdoses:

There have been several deaths and hospitalizations associated with tainted and/or mislabeled batches of 2C-B-FLY. One death occurred in Denmark, another death occurred in California, and a hospitalization occurred in Spain (Erowid, 2009).


More Informational Resources:


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