4-nonylphenylboronic acid 4-nonylphenylboronic acid 4-nonylphenylboronic acid is a potent and selective inhibitor of the enzyme fatty acid amide hydrolase (faah), with an ic50 of 9.1nm, and 870x selectivity for faah over the related enzyme magl, which it inhibits with an ic50 of 7900nm. it is also a weaker inhibitor of the enzymes endothelial lipase and lipoprotein lipase, with ic50 values of 100 nm and 1400 nm respectively. 4-nonylphenylboronic acidclinical dataatc codenoneidentifiers iupac name 4-nonylphenylboronic acid cas number256383-45-6pubchem cid4589192chemspider3781380comptox dashboard (epa)dtxsid10404611 chemical and physical dataformulac15h25bo2molar mass248.17 g·mol−13d model (jsmol)interactive image smiles cccccccccc1ccc(b(o)o)cc1 inchi inchi=1s/c15h25bo2/c1-2-3-4-5-6-7-8-9-14-10-12-15(13-11-14)16(17)18/h10-13,17-18h,2-9h2,1h3key:vonvjogslhakox-uhfffaoysa-n