4F-PV9 is a chain extended homologue to several other substituted cathinones. It features a phenylalamine group with an alkyl group attached at its alpha carbon atom, as well as a ketone group at its beta. It is a whitish crystalline powder in its shipped form.
4F-PV9 has a lot of different names, including 1-(4-fluorophenyl)-2-(pyrrolidin-1-yl)octan-1-one, FPV9, 4F-a-POP, 4-Fluoro PV9 however have very similar effects to 4F-PVP.All of them have the same formula, though: C18H26FNO.4F-PV9 potent research chemical is actually fairly volatile, and should be stored well away from moisture, heat and bright light. It is flammable, and should be kept away from open flame at all times.