app-fubinaca app-fubinaca app-fubinaca is an indazole-based synthetic cannabinoid that has been sold online as a designer drug. pharmacological testing showed app-fubinaca to have only moderate affinity for the cb1 receptor, with a ki of 708 nm, while its ec50 was not tested. it contains a phenylalanine amino acid residue in its structure. app-fubinacalegal statuslegal status ca: schedule ii de: npsg (industrial and scientific use only) uk: class b identifiers iupac name n-(1-amino-3-phenyl-1-oxopropan-2-yl)-1--1h-indazole-3-carboxamide cas number1185282-03-4 ypubchem cid58124515uniitw71lsk9dgchemical and physical dataformulac24h21fn4o2molar mass416.456 g·mol−13d model (jsmol)interactive image smiles o=c(n(c(n)=o)cc1=cc=cc=c1)c2=nn(cc3=cc=c(f)c=c3)c4=c2c=cc=c4 inchi inchi=1s/c24h21fn4o2/c25-18-12-10-17(11-13-18)15-29-21-9-5-4-8-19(21)22(28-29)24(31)27-20(23(26)30)14-16-6-2-1-3-7-16/h1-13,20h,14-15h2,(h2,26,30)(h,27,31)/t20-/m0/s1key:tzxbeyfalifoag-fqevstjzsa-n legality sweden's public health agency suggested to classify app-fubinaca as hazardous substance on march 24, 2015.