This chemical�s formal name is; 6-(2-Aminopropyl)-2,3-dihydrobenzofuran, and its IUPAC listing is 1-(2,3-dihydro-1-benzofuran-6-yl)propan-2-amine. Its molecular formula is C11H15NO. 6-APDB acts as a stimulant and an entactogen. It belongs to the amphetamine and phenethylamine classes.


6-APDB (also known as 6-(2-aminopropyl)-2,3-dihydro benzofuran or 4-Desoxy-MDA) is a stimulant and entactogenic research chemical of the phenethylamine and benzofuran classes.5-apdb,6-apb source,5-apb legal status USA,2-aminopropyl benzofuran

It is a closely related synthetic analogue of MDA and 6-APB and broadly shares the characteristics of serotonin-selective triple monoamine releasers and reuptake inhibitors associated with other entactogenic or empathogenic compounds.

6-APDB was first synthesized and studied along with 5-APDB in 1993 by David E. Nichols as a potential non-neurotoxic alternative to MDMA.

It did not come into popular recreational use until over a decade later, where it briefly entered the rave scene and global research chemicals market, in particular the “legal highs” market in the U.K., before its sale and import were subsequently banned.5-apdb,6-apb source,5-apb legal status USA,2-aminopropyl benzofuran

Because 6-APDB and other substituted benzofurans have not been explicitly outlawed in some countries, they are often technically legal, contributing to their popularity as a substitute or replacement for serotonergic entactogens like MDMA or MDA, and are typically distributed through the online research chemicals grey market.

6-APDB, also known as 6-(2-aminopropyl)-2,3-dihydro benzofuran, is a synthetic molecule of the benzofuran family. Molecules of this class contain a phenethylamine core bound to an amino (NH2) group through an ethyl chain with an additional methyl substitution at R?.

6-APDB does not contain a methyl substitution on RN, a motif which it shares with MDA. It is an analogue of MDA where the heterocyclic 4-position oxygen from the 3,4-methylenedioxy ring has been replaced with a methylene bridge. 6-APDB shares this furan ring with 5-APDB, 5-MAPDB and 6-MAPDB.

  • 6-(2-Aminopropyl)-2,3-dihydrobenzofuran
  • EMA-3
  • 4-desoxy-MDA
Technical Information
Formal Name
2,3-dihydro-a-methyl-6-benzofuranethanamine, monohydrochloride
CAS Number
Molecular Formula
C11H15NO  HCl
Formula Weight
Purity: 95%
A crystalline solid: max
205, 285 nm
InChi Code
InChi Key
Shipping & Storage Information
Room Temperature in the continental US; may vary elsewhere
Stability: 2 years

Additional information

Weight N/A
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