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6-APB, "Benzofury" |
6-(2-Aminopropyl)benzofuran |
1-(1-Benzofuran-6-yl)propan-2-amine |
Entactogen |
Benzofuran |
6-APB, also known as 6-(2-aminopropyl)benzofuran, is a synthetic molecule of the benzofuran class. The benzofuran class of substances are members of the amphetamine and phenylethylamine classes. Molecules of this class contain a phenethylamine core bound to an amino (NH2) group through an ethyl chain with an additional methyl substitution at Rα. 6-APB does not contain a methyl substitution on RN. It is composed of an an oxygen-substituted benzofuran ring fused at R3 and R4 of the phenyl ring.
Notably, 6-APB shares this benzofuran ring with related compounds such as 5-APB, 5-MAPB, and 6-MAPB.
Three distinct batches have been in circulation since its initial release to markets. Originally, only hydrochloride was available, and its dosage range shared characteristics most similar to that of MDA in terms of dose-response.