5f-edmb-pinaca 5f-edmb-pinaca 5f-edmb-pinaca is a designer drug and synthetic cannabinoid. in 2018, it was the fourth-most common synthetic cannabinoid identified in drugs seized by the drug enforcement administration. 5f-edmb-pinacaclinical dataother names5-fluoro edmb-pinacalegal statuslegal status ca: schedule ii de: npsg (industrial and scientific use only) uk: class b us: schedule i identifiers iupac name ethyl (s)-2-(1-(5-fluoropentyl)-1h-indazole-3-carboxamido)-3,3-dimethylbutanoate cas number1715016-75-3 ypubchem cid137700114chemspider68004011uniiun52bpp7rbchemical and physical dataformulac21h30fn3o3molar mass391.487 g·mol−13d model (jsmol)interactive image smiles o=c(n(c(occ)=o)c(c)(c)c)c1=nn(cccccf)c2=c1c=cc=c2 inchi inchi=1s/c21h30fn3o3/c1-5-28-20(27)18(21(2,3)4)23-19(26)17-15-11-7-8-12-16(15)25(24-17)14-10-6-9-13-22/h7-8,11-12,18h,5-6,9-10,13-14h2,1-4h3,(h,23,26)/t18-/m1/s1key:vdeacspmbsuvrd-gosisdbhsa-n in the united states, 5f-edmb-pinaca was temporarily emergency scheduled by the dea in 2019. and made a permanent schedule i controlled substance on april 7, 2022.