mppf mppf mppf, with the full name 2'-methoxyphenyl-(n-2'-pyridinyl)-p-fluoro-benzamidoethyipiperazine, is a compound that binds to the serotonin-1a receptor. labeled with fluorine-18 it has been used as a radioligand with positron emission tomography. it has, e.g., been used to examine the difference in neuroreceptor binding in the human brain across sex and age. mppf names preferred iupac name 4-fluoro-n--n-(pyridin-2-yl)benzamide identifiers cas number 155204-26-5 y 3d model (jsmol) interactive image chemspider 5036223 n iuphar/bps 81 pubchem cid 6603915 unii 81khi46e5l y comptox dashboard (epa) dtxsid20424966 inchi inchi=1s/c25h27fn4o2/c1-32-23-7-3-2-6-22(23)29-17-14-28(15-18-29)16-19-30(24-8-4-5-13-27-24)25(31)20-9-11-21(26)12-10-20/h2-13h,14-19h2,1h3 nkey: yjzydprmwywycg-uhfffaoysa-n ninchi=1/c25h27fn4o2/c1-32-23-7-3-2-6-22(23)29-17-14-28(15-18-29)16-19-30(24-8-4-5-13-27-24)25(31)20-9-11-21(26)12-10-20/h2-13h,14-19h2,1h3key: yjzydprmwywycg-uhfffaoyaq smiles coc1=cc=cc=c1n2ccn(cc2)ccn(c3=cc=cc=n3)c(=o)c4=cc=c(c=c4)f properties chemical formula c25h27fn4o2 molar mass 434.51 g/mol except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). n verify (what is yn ?) infobox references